From owner-ibis Tue Dec 1 08:44:14 1998 Received: from level1.level1.com (level1.level1.com [204.160.84.10]) by server.eda.org (8.8.5/8.8.3) with ESMTP id IAA26684 for ; Tue, 1 Dec 1998 08:44:14 -0800 (PST) Received: from sentinel2 ([204.160.84.2] helo=sentinel2.level1.com) by level1.level1.com with smtp (Exim 1.92 #2) for ibis-users@eda.org id 0zksoV-0002em-00; Tue, 1 Dec 1998 08:38:11 -0800 Received: from level6.level1.com by sentinel2.level1.com via smtpd (for level1.level1.com [204.160.84.10]) with SMTP; 1 Dec 1998 16:39:03 UT Received: from stinger.level1.com by level1.com with smtp (Smail3.1.28.1 #10) id m0zksst-000Kd4C; Tue, 1 Dec 98 08:42 PST Received: by STINGER with Internet Mail Service (5.5.1960.3) id ; Tue, 1 Dec 1998 08:38:00 -0800 Message-ID: <207CE3EE2A74D2118A9400A0C9B413250227C2@frosty.level1.com> From: "Abla, John" To: "'ibis-users@eda.org'" Subject: FW: multi level ibis Date: Tue, 1 Dec 1998 08:37:38 -0800 X-Mailer: Internet Mail Service (5.5.1960.3) > ---------- > From: Matthew Flora[SMTP:mbflora@hyperlynx.com] > Sent: Tuesday, December 01, 1998 12:45 AM > To: Abla, John > Subject: Re: multi level ibis > > Dear John Abla, > > >I am new to ibis models and have two question. I) I read an article > >recently about multi level ibis. What is the status of this, and where > can > >I retrieve data on this topic? 2) Can ibis models represent an Ethernet > >802.3 TX and RX signals. > > I'm afraid that I personally am not aware of the article you mention. > However, someone on the IBIS Users' Group E-mail Reflector might. > Therefore, > I would recommend resending your message to the reflector at: > ibis-users@eda.org > > Before you do, I noticed that you are not a subscriber of that reflector > nor > are you a subscriber to the IBIS Open Forum's Reflector. Would you like > to > be? (That way, you could see any discussions that arise from your > question.) > There is no cost for the subscription, just send a message with the e-mail > address you want used to: > ibis-request@eda.com > > Regards, > Matthew Flora > IBIS Open Forum Secretary > (425) 869-2320 PH > (425) 881-1008 FAX > mbflora@hyperlynx.com > HyperLynx, 17641 NE 67th Court, Redmond, WA 98052 USA > From owner-ibis Tue Dec 1 08:45:14 1998 Received: from level1.level1.com (level1.level1.com [204.160.84.10]) by server.eda.org (8.8.5/8.8.3) with ESMTP id IAA26689 for ; Tue, 1 Dec 1998 08:45:13 -0800 (PST) Received: from sentinel2 ([204.160.84.2] helo=sentinel2.level1.com) by level1.level1.com with smtp (Exim 1.92 #2) for ibis-users@eda.org id 0zkspS-0002f5-00; Tue, 1 Dec 1998 08:39:10 -0800 Received: from level6.level1.com by sentinel2.level1.com via smtpd (for level1.level1.com [204.160.84.10]) with SMTP; 1 Dec 1998 16:40:03 UT Received: from stinger.level1.com by level1.com with smtp (Smail3.1.28.1 #10) id m0zkstq-000Kd1C; Tue, 1 Dec 98 08:43 PST Received: by STINGER with Internet Mail Service (5.5.1960.3) id ; Tue, 1 Dec 1998 08:38:59 -0800 Message-ID: <207CE3EE2A74D2118A9400A0C9B413250227C3@frosty.level1.com> From: "Abla, John" To: "'ibis-users@eda.org'" Subject: FW: multi level ibis Date: Tue, 1 Dec 1998 08:38:33 -0800 X-Mailer: Internet Mail Service (5.5.1960.3) > ---------- > From: Matthew Flora[SMTP:mbflora@hyperlynx.com] > Sent: Tuesday, December 01, 1998 12:45 AM > To: Abla, John > Subject: Re: multi level ibis > > Dear John Abla, > > >I am new to ibis models and have two question. I) I read an article > >recently about multi level ibis. What is the status of this, and where > can > >I retrieve data on this topic? 2) Can ibis models represent an Ethernet > >802.3 TX and RX signals. > > I'm afraid that I personally am not aware of the article you mention. > However, someone on the IBIS Users' Group E-mail Reflector might. > Therefore, > I would recommend resending your message to the reflector at: > ibis-users@eda.org > > Before you do, I noticed that you are not a subscriber of that reflector > nor > are you a subscriber to the IBIS Open Forum's Reflector. Would you like > to > be? (That way, you could see any discussions that arise from your > question.) > There is no cost for the subscription, just send a message with the e-mail > address you want used to: > ibis-request@eda.com > > Regards, > Matthew Flora > IBIS Open Forum Secretary > (425) 869-2320 PH > (425) 881-1008 FAX > mbflora@hyperlynx.com > HyperLynx, 17641 NE 67th Court, Redmond, WA 98052 USA > From owner-ibis Tue Dec 1 14:37:54 1998 Received: from hotmail.com (f328.hotmail.com [207.82.250.107]) by server.eda.org (8.8.5/8.8.3) with SMTP id OAA27982 for ; Tue, 1 Dec 1998 14:37:54 -0800 (PST) Received: (qmail 26809 invoked by uid 0); 1 Dec 1998 22:32:43 -0000 Message-ID: <19981201223243.26808.qmail@hotmail.com> Received: from 147.145.40.40 by www.hotmail.com with HTTP; Tue, 01 Dec 1998 14:32:42 PST X-Originating-IP: [147.145.40.40] From: "Shaggy Gonzalez" To: shuq@cisco.com Cc: ibis-users@vhdl.org MIME-Version: 1.0 Content-Type: text/plain Date: Tue, 01 Dec 1998 14:32:42 PST Hi, I have generated the Ibs model for a buffer cell from -Vcc to 2*Vcc. The issue is that in the Pullup/Pull Down tables, all current entries( Typ/Max/Min) are ZERO from -Vcc to Vcc. What could be the cause for it? Rgds, shaggy ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com From owner-ibis Wed Dec 2 09:50:33 1998 Received: from hil-img-6.compuserve.com (hil-img-6.compuserve.com [149.174.177.136]) by server.eda.org (8.8.5/8.8.3) with ESMTP id JAA01230 for ; Wed, 2 Dec 1998 09:50:32 -0800 (PST) Received: (from mailgate@localhost) by hil-img-6.compuserve.com (8.8.6/8.8.6/2.16) id MAA07633 for ibis-users@vhdl.org; Wed, 2 Dec 1998 12:45:19 -0500 (EST) Date: Wed, 2 Dec 1998 12:44:28 -0500 From: Charles Im Subject: unsubscribe Sender: Charles Im To: IBIS-USERS Message-ID: <199812021245_MC2-6238-76A2@compuserve.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by server.eda.org id JAA01231 unsubscribe From owner-ibis Wed Dec 2 10:54:20 1998 Received: from lsi.lsil.com (lsi.lsil.com [147.145.40.2]) by server.eda.org (8.8.5/8.8.3) with ESMTP id KAA01379 for ; Wed, 2 Dec 1998 10:54:19 -0800 (PST) Received: from mhbs.lsil.com ([147.145.31.100]) by lsi.lsil.com with ESMTP id KAA11270 (8.6.12/IDA-1.6 for ); Wed, 2 Dec 1998 10:48:34 -0800 Received: from lonfs01.lsil.com by mhbs.lsil.com; Wed, 2 Dec 1998 10:48:33 -0800 Received: from lonws91.bracknell by lonfs01.lsil.com (4.1/LSIMUN-2.0) id AA20480; Wed, 2 Dec 98 18:48:32 GMT Received: by lonws91.bracknell (4.1/SMI-4.1) id AA04436; Wed, 2 Dec 98 18:48:29 GMT Date: Wed, 2 Dec 98 18:48:29 GMT From: seanc@lsil.com (Sean Cardosa) Message-Id: <9812021848.AA04436@lonws91.bracknell> To: ibis-users@vhdl.org Subject: Unsubscribe unsubscribe From owner-ibis Mon Dec 7 11:21:33 1998 Received: from amdext.amd.com (amdext.amd.com [139.95.251.1]) by server.eda.org (8.8.5/8.8.3) with ESMTP id LAA16021 for ; Mon, 7 Dec 1998 11:21:32 -0800 (PST) Received: from amdint.amd.com (amdint.amd.com [139.95.250.1]) by amdext.amd.com (8.8.5/8.8.5/AMD) with ESMTP id LAA23381 for ; Mon, 7 Dec 1998 11:16:16 -0800 (PST) Received: from cmdmail.amd.com (cmdmail.amd.com [172.28.14.226]) by amdint.amd.com (8.8.5/8.8.5/AMD) with ESMTP id LAA27940 for ; Mon, 7 Dec 1998 11:16:15 -0800 (PST) Received: from newgen (newgen.amd.com [172.28.12.169]) by cmdmail.amd.com (8.9.1a-LCCHA/8.9.0/lccha 1.4) with SMTP id LAA05600 for ; Mon, 7 Dec 1998 11:16:08 -0800 (PST) Received: from pc-joeb by newgen (4.1) id AA02220; Mon, 7 Dec 98 11:18:15 PST Message-Id: <366C2958.277E@amd.com> Date: Mon, 07 Dec 1998 11:15:36 -0800 From: Joseph Brcich Reply-To: joe.brcich@amd.com Organization: AMD X-Mailer: Mozilla 3.03 (WinNT; I) Mime-Version: 1.0 To: ibis-users@eda.org Subject: IBIS 3.0 model Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit I am in the process of creating an IBIS 3.0 for our K6-2 processor. When using ibischk3 It Gives me the following errors: Pull down has decreasing current. Gnd clamp has decreasing current. Can anyone tell me what these mean? What charateristic of the data should I look at? Is there a document that describes the error messages? Most are self explanatory but this one stumped me. Also is there a working IBIS 3.x model that I can use as an example? Thanks in advance Joe Brcich Advanced Micro Devices From owner-ibis Tue Dec 8 08:10:03 1998 Received: from mailext02.compaq.com (mailext02.compaq.com [207.18.199.33]) by server.eda.org (8.8.5/8.8.3) with SMTP id IAA19971 for ; Tue, 8 Dec 1998 08:10:02 -0800 (PST) Received: from mail.compaq.com(really [207.18.199.34]) by mailext02.compaq.com via sendmail with smtp id for ; Tue, 8 Dec 98 09:12:18 -0600 (CST) (/\##/\ Smail3.1.30.16 #30.10 built 27-oct-98) Received: from lisbon.eng.hou.compaq.com(really [131.168.159.105]) by mail.compaq.com via sendmail with smtp id for ; Tue, 8 Dec 98 09:17:27 -0600 (CST) (/\##/\ Smail3.1.30.16 #30.10 built 18-dec-97) Received: by lisbon.eng.hou.compaq.com (Smail3.1.26.7/COMPAQ-HESIOD) id m0znOsE-000KyfC; Tue, 8 Dec 98 09:16 CST Message-Id: Date: Tue, 8 Dec 98 09:16 CST From: beal@lisbon.eng.hou.compaq.com (Weston Beal) To: ibis-users@vhdl.org Subject: curve merging Dear Users, I have two IBIS files which represent the min and max cases of a model. One file has the min characteristics in the typ column and the other has the max characteristics in the typ column. I would like to merge them into one file in standard (typ, min, max) IBIS format. Does anyone have a utility to do this which they can share? Thanks, Weston Beal From owner-ibis Tue Dec 8 16:22:55 1998 Received: from smtp3.ny.us.ibm.com (smtp3.ny.us.ibm.com [198.133.22.42]) by server.eda.org (8.8.5/8.8.3) with ESMTP id OAA21166; Tue, 8 Dec 1998 14:56:47 -0800 (PST) From: gedlund@us.ibm.com Received: from northrelay01.pok.ibm.com (northrelay01.pok.ibm.com [9.117.200.21]) by smtp3.ny.us.ibm.com (8.8.7/8.8.7) with ESMTP id RAA88728; Tue, 8 Dec 1998 17:32:51 -0500 Received: from us.ibm.com (d51mta10.pok.ibm.com [9.117.200.38]) by northrelay01.pok.ibm.com (8.8.7/NCO v1.6) with SMTP id RAA51976; Tue, 8 Dec 1998 17:51:30 -0500 Received: by us.ibm.com(Lotus SMTP MTA Internal build v4.6.2 (651.2 6-10-1998)) id 852566D4.007D8FAC ; Tue, 8 Dec 1998 17:51:27 -0500 X-Lotus-FromDomain: IBMUS To: ibis@vhdl.org, ibis-users@vhdl.org Message-ID: <852566D4.007D8E17.00@us.ibm.com> Date: Tue, 8 Dec 1998 16:49:09 -0600 Subject: IBIS Accuracy minutes - 12/04/98 Mime-Version: 1.0 Content-type: text/plain; charset=windows-1257 Content-Disposition: inline Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by server.eda.org id OAA21167 IBIS Accuracy Subcommittee Minutes Friday, December 4, 1998, held by conference call. Participants Greg Edlund, IBM (chair) Bob Haller, Compaq Bruce Heilbrunn Peter LaFlamme, Fairchild Semiconductor The next meeting is Friday, December 11, 1998 from 11:00 to 12:00 am EST BUSINESS The subcommittee has decided to conduct its business during a one-hour conference call on Fridays opposite the IBIS Open Forum call. Bob Haller reported that the final copy of our DesignCon99 paper, "A Tour of the IBIS Accuracy Specification," was submitted and accepted. List of work to be done: 1. Prepare the test board design files for publication – Greg, 12/31/98 2. Write an example "accuracy trailer" using test board data – Bob, Peter, 12/31/98 3. Finish writing rev 1.0 of the spec – Greg, DesignCon99 4. Write an example "accuracy datasheet" using test board data – Greg, Bob, Peter, DesignCon99 5. Write the "IBIS Accuracy Test Board Application Note" – Greg, Fawn, DesignCon99 6. Write a Perl script to compute figures of merit – Bob, Fawn, DesignCon99 TECHNICAL The subcommittee agrees on the need for some kind of accuracy trailer that would be appended to an IBIS datasheet using comments. In the very least, the accuracy trailer would contain the accuracy figures of merit for various measurements, i.e. the results of applying the correlation metrics. Peter proposed indicating the existence of an accuracy trailer in an IBIS datasheet using the [Source] keyword, which has an open-ended format. Greg favors adding a new IBIS keyword (in the long run) that could be used by EDA vendors to set a flag somewhere in the GUI, indicating to the user that the IBIS datasheet has been lab-verified. In addition to an accuracy trailer, we may also put together an "IBIS Accuracy Datasheet" that contains some of the same information as the trailer but has the potential for more detail, such as simulation vs. lab overlay plots. Examples of both the trailer and the datasheet would be based on data taken from the VCX16244 on the test board. Bruce proposed adding some text to the disclaimer in the accuracy trailer to the effect of, "accuracy does not imply syntactical correctness." If a user does not read the IBIS Accuracy Spec, he or she may have the notion that accuracy and syntactical correctness are one in the same. The subcommittee discussed the idea of amending the spec to include VT tables. This has been suggested by several people as a means for circumventing simulation vs. hardware correlation. We all agreed that we would like to add VT tables to the spec in the future, but we don't have the bandwidth to do it before DesignCon99. VT tables would not replace simulation results; they would be an alternative to simulation results. The IBIS datasheet developer would be free to choose and would be responsible for documenting this choice to the user. Adding VT tables would necessitate a BIRD to allow the three extra test loads called out in the IBIS Accuracy Spec. The subcommittee feels strongly that these loads are necessary for insuring IBIS datasheet accuracy and has data to support this statement. Agenda for the next meeting: Business 1. DesignCon99 paper and booth – 5 min. 2. Opening the conference call to interested parties after DesignCon99 – 5 min. 3. The need for EIA approval of the IBIS Accuracy Specification – 20 min. Technical Review the accuracy trailer line by line. Please read and offer comments before hand. – 30 min. Greg Edlund Advisory Engineer, Critical Net Analysis IBM 3650 Hwy. 52 N, Dept. HDC Rochester, MN 55901 gedlund@us.ibm.com From owner-ibis Wed Dec 9 01:10:53 1998 Received: from public3.bta.net.cn (public3.bta.net.cn [202.96.0.193]) by server.eda.org (8.8.5/8.8.3) with ESMTP id BAA22387 for ; Wed, 9 Dec 1998 01:10:49 -0800 (PST) Received: from frank (ab-1-294.bta.net.cn [202.99.62.54]) by public3.bta.net.cn (8.9.1/8.9.1) with SMTP id RAA03171 for ; Wed, 9 Dec 1998 17:05:33 +0800 (GMT) Message-Id: X-Sender: viewprc@public3.bta.net.cn X-Mailer: QUALCOMM Windows Eudora Pro Version 4.0 Date: Fri, 11 Dec 1998 14:50:08 +0800 To: ibis-users@vhdl.org From: Frank Xiao Subject: Request IBIS Model For Chips! Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Hi, I'm now doing a high speed PCB design and I'm using SI tools for the crosstalk analysis, would you please help me to get the IBIS models for the bellow chips? Thanks for your care. MPC750 MPC603RRX200 MPC106ARX66 belong to motorola company SN74ALVCH16501(83MHZ) SN74ALVCH162245(66MHZ) belong to TI company W83C553F belong to winbond Best Rgds Frank From owner-ibis Wed Dec 9 16:02:56 1998 Received: from jasper.cisco.com (jasper.cisco.com [171.69.198.63]) by server.eda.org (8.8.5/8.8.3) with ESMTP id QAA24645 for ; Wed, 9 Dec 1998 16:02:56 -0800 (PST) Received: (shuq@localhost) by jasper.cisco.com (8.8.5-Cisco.2-SunOS.5.5.1.sun4/8.6.5) id PAA18857; Wed, 9 Dec 1998 15:57:41 -0800 (PST) Date: Wed, 9 Dec 1998 15:57:41 -0800 (PST) From: Syed Huq Message-Id: <199812092357.PAA18857@jasper.cisco.com> To: ibis-users@vhdl.org, viewprc@public3.bta.net.cn Subject: Re: Request IBIS Model For Chips! Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-MD5: DRtDFqqH47o2esCFtfnzQA== Frank, You can try http://www.eia.org/eig/ibis/ibis.htm and Click on 'Models'. Then select the vendor name and that will take you to the their IBIS models website. If you cannot find the model, then you may have to request the vendor directly. You could do that thru the sales rep or other channels.. Syed. Cisco Systems, Inc > From viewprc@public3.bta.net.cn Wed Dec 9 01:07:21 1998 > X-SMAP-Received-From: outside > X-Sender: viewprc@public3.bta.net.cn > Date: Fri, 11 Dec 1998 14:50:08 +0800 > To: ibis-users@vhdl.org > From: Frank Xiao > Subject: Request IBIS Model For Chips! > Mime-Version: 1.0 > > Hi, > I'm now doing a high speed PCB design and I'm using SI tools for the > crosstalk analysis, would you please help me to get the IBIS models for the > bellow chips? Thanks for your care. > > MPC750 > MPC603RRX200 > MPC106ARX66 belong to motorola company > > SN74ALVCH16501(83MHZ) > SN74ALVCH162245(66MHZ) belong to TI company > > W83C553F belong to winbond > > Best Rgds > Frank > From owner-ibis Wed Dec 9 21:38:45 1998 Received: from jasper.cisco.com (jasper.cisco.com [171.69.198.63]) by server.eda.org (8.8.5/8.8.3) with ESMTP id VAA25245 for ; Wed, 9 Dec 1998 21:38:45 -0800 (PST) Received: (shuq@localhost) by jasper.cisco.com (8.8.5-Cisco.2-SunOS.5.5.1.sun4/8.6.5) id VAA05335; Wed, 9 Dec 1998 21:31:50 -0800 (PST) Date: Wed, 9 Dec 1998 21:31:50 -0800 (PST) From: Syed Huq Message-Id: <199812100531.VAA05335@jasper.cisco.com> To: ibis-users@vhdl.org, beal@lisbon.eng.hou.compaq.com Subject: Re: curve merging Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-MD5: zSEOVPZBmg0K8UOiOj9MFg== Hi, Yes it can be done with Xemacs. It's called 'Rectangle Operations' and I think you could try the following key bindings: ^x r k, ^x r y, ^x r d emacs or Xemacs is a GNU editor(plus more)found on all Linux systems as well as UNIX. Regards, Syed Cisco Systems, Inc. > From beal@lisbon.eng.hou.compaq.com Tue Dec 8 08:06:46 1998 > X-SMAP-Received-From: outside > Date: Tue, 8 Dec 98 09:16 CST > From: beal@lisbon.eng.hou.compaq.com (Weston Beal) > To: ibis-users@vhdl.org > Subject: curve merging > > Dear Users, > > I have two IBIS files which represent the min and max cases of a > model. One file has the min characteristics in the typ column and the > other has the max characteristics in the typ column. I would like to > merge them into one file in standard (typ, min, max) IBIS format. Does > anyone have a utility to do this which they can share? > > Thanks, > Weston Beal From owner-ibis Thu Dec 10 11:25:48 1998 Received: from isis.vlsi.com (relayhost.vlsi.com [134.27.20.24]) by server.eda.org (8.8.5/8.8.3) with ESMTP id LAA27510 for ; Thu, 10 Dec 1998 11:25:48 -0800 (PST) Received: (from smtp@localhost) by isis.vlsi.com (8.9.1a/8.9.1) id LAA24779 for ; Thu, 10 Dec 1998 11:20:31 -0800 (PST) Received: from (tem-pbx1.tempe.vlsi.com [134.27.128.26]) by isis.vlsi.com via smap (V2.0) id xma024767; Thu, 10 Dec 98 11:19:59 -0800 Received: from vlsi.com (witsend.tempe.vlsi.com [134.27.133.12]) by tem-pbx1.tempe.vlsi.com with SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2232.9) id TXYVGZAG; Thu, 10 Dec 1998 12:23:04 -0700 Sender: dsession@isis.vlsi.com Message-ID: <36701EDF.65A7359A@vlsi.com> Date: Thu, 10 Dec 1998 12:19:59 -0700 From: "D. C. Sessions" Reply-To: ibis-users@eda.org Organization: VLSI Technology Inc. X-Mailer: Mozilla 4.5 [en] (X11; U; SunOS 5.5.1 sun4m) X-Accept-Language: en MIME-Version: 1.0 To: ibis-users@eda.org Subject: Re: IBIS 3.0 model References: <366C2958.277E@amd.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Joseph Brcich wrote: > > I am in the process of creating an IBIS 3.0 for our K6-2 processor. > > When using ibischk3 It Gives me the following errors: > Pull down has decreasing current. > Gnd clamp has decreasing current. First off, these are warnings, not errors. There are a lot of reasons why an I/V curve might be nonmonotonic, ranging from numerical artifacts to inconsistent test conditions to real nonmonotonicity due to feedback. Many processors have weak bus keepers on their I/O lines to prevent float, and that would do the trick. > Can anyone tell me what these mean? What charateristic of the data > should I look at? Is there a document that describes the error messages? > Most are self explanatory but this one stumped me. What I'd do is copy & paste the I/V curves into a spreadsheet and generate the sum and its differences. That should show the effect up pretty neatly and let you apply the grey colloidial debugger. -- D. C. Sessions dc.sessions@vlsi.com From owner-ibis Thu Dec 10 12:09:56 1998 Received: from mail.hyperlynx.com (root@mail.hyperlynx.com [209.20.148.70]) by server.eda.org (8.8.5/8.8.3) with ESMTP id MAA27657 for ; Thu, 10 Dec 1998 12:09:55 -0800 (PST) Received: from tensor ([192.168.148.75]) by mail.hyperlynx.com (8.8.5/8.8.5) with SMTP id MAA11277; Thu, 10 Dec 1998 12:05:08 -0800 Message-Id: <3.0.5.32.19981210120559.00f56650@mail.nwlink.com> X-Sender: mbflora@mail.nwlink.com X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.5 (32) Date: Thu, 10 Dec 1998 12:05:59 -0100 To: "KOK TONG THAM" From: Matthew Flora Subject: Re: Regarding IBIS Cc: ibis-users@eda.org In-Reply-To: <19981210055634.28953.qmail@hotmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Dear Kok Tong Tham, >I am a Shinshu University student in Japan. >I am interesting in IBIS modeling. I had read over the IBIS version 3.1 >spec.but some keyword still annoying me. Could you explain to me in >detail regarding some keyword? > >1)What meaning of model_name and function_table_group > in the third and fourth column of keyword [Series Pin Mapping]? > and how to define it? > >2)How to define and what meaning of keyword [Series Switch Groups}? > >3)What relation between keyword [Model] and [Model Selector]? > >4)How to define the Model_name in keyword [Driver Schedule]? > what relation between Model_name and keyword [Model]? > what actually keyword [Driver Schedule] means? > >5)How to define keyword [Pin Mapping]? I am forwarding your questions to the IBIS Users Group e-mail reflector and have added you to that reflector so that you will receive any discussions raised by your questions. One suggestion that I have is to look at ftp://ftp.eda.org/pub/ibis/birds/index.html. There you will see a list of the proposed changes to the IBIS standard (past and present). They may be of interest to you since they contain explanations not found in the standard itself. For instance, BIRD 52 might be of help to you. Regards, Matthew Flora IBIS Open Forum Secretary (425) 869-2320 PH (425) 881-1008 FAX mbflora@hyperlynx.com HyperLynx, 17641 NE 67th Court, Redmond, WA 98052 USA From owner-ibis Fri Dec 11 00:11:44 1998 Received: from gatekeep.ti.com (gatekeep.ti.com [192.94.94.61]) by server.eda.org (8.8.5/8.8.3) with ESMTP id AAA29172 for ; Fri, 11 Dec 1998 00:11:43 -0800 (PST) Received: from king.india.ti.com ([134.183.160.185]) by gatekeep.ti.com (8.8.8) with ESMTP id CAA18031; Fri, 11 Dec 1998 02:06:21 -0600 (CST) Received: from linsparc21.india.ti.com (linsparc21 [134.183.193.153]) by king.india.ti.com (8.8.5/8.6.10) with ESMTP id NAA12188; Fri, 11 Dec 1998 13:36:10 +0530 (IST) Received: from india.ti.com (localhost [127.0.0.1]) by linsparc21.india.ti.com (8.6.12/8.6.10) with ESMTP id CAA21977; Fri, 11 Dec 1998 02:04:37 -0600 Sender: presi@india.ti.com Message-ID: <3670D214.7AC6EC5A@india.ti.com> Date: Fri, 11 Dec 1998 13:34:36 +0530 From: "R.Sanjeev" Organization: I.I.T.Madras X-Mailer: Mozilla 4.04 [en] (X11; I; SunOS 5.5.1 sun4u) MIME-Version: 1.0 To: Syed Huq CC: ibis-users@vhdl.org, beal@lisbon.eng.hou.compaq.com Subject: Re: curve merging References: <199812100531.VAA05335@jasper.cisco.com> Content-Type: multipart/mixed; boundary="------------7E626D60A80A8E66353AB3BE" This is a multi-part message in MIME format. --------------7E626D60A80A8E66353AB3BE Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Hi Beal, I picked out the parts of the s2ibis code that does this merging. It'll work for data files generated for the following types of spice: "HSpice", "PSpice", "SPICE2", "Spice3", "Spectre" I've added a spice type called "dummy" if you just have files with data and nothing else. (The first line of the input files should be empty) if you are using spice other than these you need to add the following to the code to take care of it: 1. spiceNameString : your spice name(does not run it so just something different from those already there) 2. dataEndMarker : When to stop reading the data in the file. 3. VIDataBeginMarker: Where to start reading from the file for actual data points. 4. VIDataConversionString: What format will the data be in(check the code for examples) The format to use it right now is: combine Copy the two files in a dir and say make(in any Unix platform) on windows just compile the combine.c Please let me know if there are any problems. regards, presi ----- Syed Huq wrote: > Hi, > > Yes it can be done with Xemacs. It's called 'Rectangle Operations' and I > think you could try the following key bindings: > > ^x r k, ^x r y, ^x r d > > emacs or Xemacs is a GNU editor(plus more)found on all Linux systems as > well as UNIX. > > Regards, > Syed > Cisco Systems, Inc. > > > From beal@lisbon.eng.hou.compaq.com Tue Dec 8 08:06:46 1998 > > X-SMAP-Received-From: outside > > Date: Tue, 8 Dec 98 09:16 CST > > From: beal@lisbon.eng.hou.compaq.com (Weston Beal) > > To: ibis-users@vhdl.org > > Subject: curve merging > > > > Dear Users, > > > > I have two IBIS files which represent the min and max cases of a > > model. One file has the min characteristics in the typ column and the > > other has the max characteristics in the typ column. I would like to > > merge them into one file in standard (typ, min, max) IBIS format. Does > > anyone have a utility to do this which they can share? > > > > Thanks, > > Weston Beal -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Cahn's Axiom: "When all else fails, read the instructions." R.Sanjeev Home... ~~~~~~~~~ hppt://members.tripod.com/~r_sanjeev e-mail: presi@india.ti.com snail-mail: 20, Karnan Street, Murugesha Naicken Nagar, Kodambakkam, Chennai-24. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ --------------7E626D60A80A8E66353AB3BE Content-Type: text/plain; charset=us-ascii; name="Makefile" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="Makefile" # # makefile for mergeIBIS # ############################################################################## # Compilation and linking using GNU tools # CC = gcc CFLAGS = -g ############################################################################## PROGRAM = mergeIBIS SRCS = mergeIBIS.c ALL = $(SRCS) OBJS =$(SRCS:.c=.o) $(PROGRAM): $(OBJS) $(CC) -o $(PROGRAM) $(CFLAGS) $(OBJS) clean : rm $(OBJS) $(PROGRAM) depend : makedepend -- $(CFLAGS) $(SRCS) # DO NOT DELETE THIS LINE -- make depend depends on it. --------------7E626D60A80A8E66353AB3BE Content-Type: text/plain; charset=us-ascii; name="mergeIBIS.c" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="mergeIBIS.c" /******************************************************************** * Parts from s2ibis2 that came from: * North Carolina State University * Electronics Research Laboratory * * Modified by: Sanjeev Ranganathan * Indian Institute of Technology Madras * VLSI Design Laboratory. * e-mail: presi@oyster.ee.iitm.ernet.in ********************************************************************/ #include #include #include #include /* * ARGUMENT LABELS * * These are used to label function arguments. * * IN indicates that the argument data is read only by the function, and * not written. * * INOUT indicates that the argument data is read and written by the * function. * * OUT indicates that the argument data is written by the function, * without reference to its previous value. * * INOUT and OUT apply only to pointer arguments, since there is no * direct pass-by-reference mechanism in C. */ #define IN #define OUT #define INOUT #define SHARED /* MAX TABLE size :used as initial value*/ #define MAX_TAB_SIZE 600 /* Basic data Structures required a minTypMax table and its size */ typedef struct { double typ, /* typical value */ min, /* minimum value */ max; /* maximum value */ } ibisTypMinMax_t, *ibisTypMinMax_Pt; typedef struct VIentryDef { double v; ibisTypMinMax_t i; } ibisVItableEntry_t, *ibisVItableEntry_Pt; typedef struct { int size; ibisVItableEntry_Pt VIs; } ibisVItable_t, *ibisVItable_Pt; /* The Kind of Spices that it can support */ char *spiceNameString[] = { "HSpice", "PSpice", "SPICE2", "Spice3", "Spectre", "dummy" }; /* The number of these */ #define NUM_SUPP_SPICE 6 /* It uses the following as the data begin marker i.e. these are present in * the line before the data is actually displayed */ char *VIDataBeginMarker[] = { "transfer", "DC TRANSFER", "X", "Index", "Values", "\n" }; /* Stops reading with this */ char *dataEndMarker[] = { "job", "", "Y", "CPU", "", "eof" }; /* The data is assumed to be %le and is read as that */ char *VIDataConversionString[] = { "%le %le \n", "%le %le \n", "%le %le \n", "%*d %le %le \n", "%*d %le %*le %le \n", "%le %le \n" }; /* Maps the given input name to an integer corresponding to that name */ int find_spice_type(char *spName) { int i; for (i=0;i tableSize ) { fprintf( stderr, "s2ibis2: Spice job returned too many data points.\n" ); fprintf( stderr, " May have to truncate table...\n" ); } /*------------------------------------------------------------------------ * * Now we transfer the data to the correct place, depending on the value * of command. * *-----------------------------------------------------------------------*/ if ( !( strcmp( command, "typ" ) ) ) { VIData_P->size = rowIndex + 1; /** Some way to create the size equivalent for the rowindex **/ if( (VIData_P->VIs = (ibisVItableEntry_Pt) \ malloc(sizeof(ibisVItableEntry_t) * VIData_P->size) ) == NULL) { printf("Out of memory"); return(1); } for ( i = 0; i <= rowIndex; i++ ) { VIData_P->VIs[i].v = tempData[i][0]; VIData_P->VIs[i].i.typ = tempData[i][1]; } } else if ( !( strcmp( command, "min" ) ) ) for ( i = 0; i <= rowIndex; i++ ) VIData_P->VIs[i].i.min = tempData[i][1]; else for ( i = 0; i <= rowIndex; i++ ) VIData_P->VIs[i].i.max = tempData[i][1]; return( 0 ); } /* Does the final write into the Outfile of the Data Structure generated * earlier by getSpiceVIData function */ int writeSpiceVIData(IN char* Outfile, IN ibisVItable_Pt VIData_P) { FILE * outFile_P; int j = 0; if ( ( outFile_P = fopen( Outfile, "w" ) ) == NULL ) { fprintf( stderr, "Unable to open file %s for writing.\n", outFile_P ); perror( "s2ibis2"); return( 1 ); } printf("%s Generated by program\n",Outfile); fprintf(outFile_P,"| Voltage\t I(typ)\t I(min)\t I(max)\n"); for(j = 0 ;j < VIData_P->size;j++) fprintf(outFile_P,"%le %le %le %le\n",VIData_P->VIs[j].v, \ VIData_P->VIs[j].i.typ, \ VIData_P->VIs[j].i.min,VIData_P->VIs[j].i.max); fclose(outFile_P); } int main(int argc,char* argv[]) { /* Take the input and call get Spice VI Data in proper order to get all the data required and then print quietly */ ibisVItable_Pt VIData_P ; int spiceType; if (argc<2) { printf("Usage %s \n",argv[0]); return(1); } spiceType = find_spice_type(argv[1]); getSpiceVIData(VIData_P,MAX_TAB_SIZE,spiceType,argv[2],"typ"); getSpiceVIData(VIData_P,VIData_P->size,spiceType,argv[3],"min"); getSpiceVIData(VIData_P,VIData_P->size,spiceType,argv[4],"max"); writeSpiceVIData(argv[5],VIData_P); } --------------7E626D60A80A8E66353AB3BE-- From owner-ibis Tue Dec 15 14:55:09 1998 Received: from mail.hyperlynx.com (root@mail.hyperlynx.com [209.20.148.70]) by server.eda.org (8.8.5/8.8.3) with ESMTP id OAA10354 for ; Tue, 15 Dec 1998 14:55:07 -0800 (PST) Received: from tensor ([192.168.148.75]) by mail.hyperlynx.com (8.8.5/8.8.5) with SMTP id OAA09396; Tue, 15 Dec 1998 14:49:49 -0800 Message-Id: <3.0.5.32.19981215145050.01031c80@mail.nwlink.com> X-Sender: mbflora@mail.nwlink.com X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.5 (32) Date: Tue, 15 Dec 1998 14:50:50 -0100 To: Courtenay Johnson From: Matthew Flora Subject: Re: Is there a template for the Intusoft IBIS to spice translator for PSPICE? Cc: ibis-users@eda.org In-Reply-To: <3676DDE4.8CCE5A64@newbridge.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Dear Courtenay Johnson, >Is there a template that works with the Intusoft IBIS to spice >translator that will output Microsim PSPICE format, rather than for >Intusoft's own flavor of spice. I am new to using spice, and am not yet >capable of writing my own template. >-- >Courtenay Johnson >Senior Hardware Designer >Broadband Copper Access - xDSL >Newbridge Network Corp, 600 March Rd, Kanata, Ont, Canada K2K 2E6 >Phone: (613)599-3600 ext 6906 >Fax: (613) 599-3634 >E-mail: courtena@newbridge.com I am forwarding your question to the IBIS Users Group e-mail reflector and have added you to that reflector so that you will receive any discussions raised by your question. Regards, Matthew Flora IBIS Open Forum Secretary (425) 869-2320 PH (425) 881-1008 FAX mbflora@hyperlynx.com HyperLynx, 17641 NE 67th Court, Redmond, WA 98052 USA From owner-ibis Wed Dec 16 01:24:55 1998 Received: from bulldog.ecitele.com (ext-147-234-8-88.ecitele.com [147.234.8.88]) by server.eda.org (8.8.5/8.8.3) with SMTP id BAA11800 for ; Wed, 16 Dec 1998 01:24:52 -0800 (PST) From: Daniel.Adar@ecitele.com Received: by bulldog.ecitele.com(Lotus SMTP MTA Internal build v4.6.2 (651.2 6-10-1998)) id C22566DC.00338B56 ; Wed, 16 Dec 1998 11:23:00 +0200 X-Lotus-FromDomain: ECI TELECOM To: ibis-users@eda.org Message-ID: Date: Wed, 16 Dec 1998 11:23:28 +0200 Subject: subscribe From owner-ibis Wed Dec 16 08:37:19 1998 Received: from thalia.fm.intel.com (thalia.fm.intel.com [132.233.247.11]) by server.eda.org (8.8.5/8.8.3) with ESMTP id IAA13449 for ; Wed, 16 Dec 1998 08:37:19 -0800 (PST) Received: from fmsmsx19.fm.intel.com (fmsmsx19.fm.intel.com [132.233.222.210]) by thalia.fm.intel.com (8.9.1a/8.9.1/d: relay.m4,v 1.6 1998/11/24 22:10:56 iwep Exp iwep $) with ESMTP id QAA08899; Wed, 16 Dec 1998 16:32:28 GMT Message-Id: <199812161632.QAA08899@thalia.fm.intel.com> Received: by FMSMSX19 with Internet Mail Service (5.5.2232.9) id ; Wed, 16 Dec 1998 08:32:27 -0800 From: "Muranyi, Arpad" To: "\"Courtenay Johnson\" " Cc: "\"ibis-users@eda.org\" " Subject: RE: Is there a template for the Intusoft IBIS to spice tr Date: Wed, 16 Dec 1998 08:31:00 -0800 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2232.9) Content-Type: text/plain PSPICE used to have a behavioral buffer which was based on the HSPICE behavioral buffer I developed years ago. I am not a user of PSPICE, so I am not sure what is included in the distribution libraries now, and I am not sure what changed since Microsim was bought up by Orcad. If you find one of these behavioral buffer, you may be able to use it as a template for the Intusoft translator, but I am not sure how that works, since I haven't used that yet either. Sorry for the vague answers, but that's all I can help you, which may be good enough to get you started looking in the right direction. Arpad Muranyi Intel Corporation ============================================================================ === Dear Courtenay Johnson, >Is there a template that works with the Intusoft IBIS to spice >translator that will output Microsim PSPICE format, rather than for >Intusoft's own flavor of spice. I am new to using spice, and am not yet >capable of writing my own template. >-- >Courtenay Johnson >Senior Hardware Designer >Broadband Copper Access - xDSL >Newbridge Network Corp, 600 March Rd, Kanata, Ont, Canada K2K 2E6 >Phone: (613)599-3600 ext 6906 >Fax: (613) 599-3634 >E-mail: courtena@newbridge.com I am forwarding your question to the IBIS Users Group e-mail reflector and have added you to that reflector so that you will receive any discussions raised by your question. Regards, Matthew Flora IBIS Open Forum Secretary (425) 869-2320 PH (425) 881-1008 FAX mbflora@hyperlynx.com HyperLynx, 17641 NE 67th Court, Redmond, WA 98052 USA From owner-ibis Wed Dec 16 14:50:20 1998 Received: from stellar-g.actel.com (stellar-g.actel.com [204.33.72.20]) by server.eda.org (8.8.5/8.8.3) with SMTP id OAA14477 for ; Wed, 16 Dec 1998 14:50:20 -0800 (PST) Received: from sv-gw-02.amer.actel.com by stellar-g.actel.com (SMI-8.6/SMI-SVR4) id OAA12929; Wed, 16 Dec 1998 14:45:03 -0800 Received: by SV-GW-02.amer.actel.com with Internet Mail Service (5.0.1460.8) id ; Wed, 16 Dec 1998 14:45:10 -0800 Message-ID: From: "Montoya, Silvia" To: "'ibis-users@eda.org'" Cc: "Montoya, Silvia" Subject: Power Supplies Date: Wed, 16 Dec 1998 14:44:57 -0800 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.0.1460.8) Content-Type: text/plain Hi, I am in the process of verifying IBIS models for our PCI compliant I/O buffers with I/V bench measurements. I will need two power supplies, a 3v and a 5v . The IBIS cockbook recommends using power supplies which will source and sink current while maintaining the required output voltage. Can anyone recommend make/model of supplies which work well for this application ? Thanks, S. Montoya From owner-ibis Wed Dec 16 17:47:43 1998 Received: from calliope1.fm.intel.com (calliope1.fm.intel.com [132.233.247.10]) by server.eda.org (8.8.5/8.8.3) with ESMTP id RAA14682 for ; Wed, 16 Dec 1998 17:47:43 -0800 (PST) Received: from fmsmsx26.fm.intel.com (fmsmsx26.fm.intel.com [132.233.42.26]) by calliope1.fm.intel.com (8.9.1a/8.9.1/d: relay.m4,v 1.6 1998/11/24 22:10:56 iwep Exp iwep $) with ESMTP id BAA16933; Thu, 17 Dec 1998 01:42:56 GMT Message-Id: <199812170142.BAA16933@calliope1.fm.intel.com> Received: by FMSMSX26 with Internet Mail Service (5.5.2232.9) id ; Wed, 16 Dec 1998 17:42:25 -0800 From: "Muranyi, Arpad" To: "\"'ibis-users@eda.org'\" " Cc: "\"Montoya; Silvia\" " Subject: RE: Power Supplies Date: Wed, 16 Dec 1998 17:18:00 -0800 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2232.9) Content-Type: text/plain HP has a few models, ask them to send you a catalog. Arpad ============================================================================ = Hi, I am in the process of verifying IBIS models for our PCI compliant I/O buffers with I/V bench measurements. I will need two power supplies, a 3v and a 5v . The IBIS cockbook recommends using power supplies which will source and sink current while maintaining the required output voltage. Can anyone recommend make/model of supplies which work well for this application ? Thanks, S. Montoya From owner-ibis Wed Dec 16 23:45:33 1998 Received: from mail.huawei.com.cn ([202.96.135.132]) by server.eda.org (8.8.5/8.8.3) with ESMTP id XAA15094 for ; Wed, 16 Dec 1998 23:45:29 -0800 (PST) Received: from [10.102.11.125] by mail.huawei.com.cn (Netscape Mail Server v2.02) with SMTP id AAA7687; Thu, 17 Dec 1998 15:39:11 +0800 Message-ID: <3677636A.CE492EFC@huawei.com.cn> Date: Wed, 16 Dec 1998 15:38:18 +0800 From: zhangjian Reply-To: zhangjian@huawei.com.cn X-Mailer: Mozilla 4.01 [en] (Win95; I) MIME-Version: 1.0 To: xtk-support@viewlogic.com, ibis-users@eda.org, ibis@vhdl.org Subject: questions about XTK X-Priority: 3 (Normal) Content-Type: multipart/mixed; boundary="------------9DEDC6A3D6F200B06F092D1D" This is a multi-part message in MIME format. --------------9DEDC6A3D6F200B06F092D1D Content-Type: text/plain; charset=us-ascii Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Transfer-Encoding: 7bit --------------9DEDC6A3D6F200B06F092D1D Content-Type: text/plain; charset=us-ascii; name="help1.txt" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="help1.txt" HI, sir: I am a learner of XTK. I have some questions about XTK and I hope you can give me an answer quickly. 1. What is the maximum frequency that XTK can analyze properly? 2. Could XTK be used to analyze the skin effect ? if so,which parameter describe the degree of the skin effect? 3. I have performed a system level simulation with ISF2XTK. I use a *.mxf file to match a model to a connector. When analyzed the net including the connector, XNS reported some errors such as : Could not find model name matching JB8-1O2_TO_SON_3: U10_27 may be encrypted model. And, XNS do not use the connector model I defined,but use the default connector model, what can I do with it? 4. When I translate IBIS MODEL into XTK with IBIS2XTK , the program IBIS2XTK did not report any errors.But when analyze,XNS reported some errors such as : pin name no found for part son_3: c83 2 . This prevents package capacitance connection. And package parameter has not been loaded by the program XNS . 5. How to get the *.xf3 file which used as input file for program XFX3D? --------------9DEDC6A3D6F200B06F092D1D-- From owner-ibis Thu Dec 17 08:27:14 1998 Received: from mail.hyperlynx.com (root@mail.hyperlynx.com [209.20.148.70]) by server.eda.org (8.8.5/8.8.3) with ESMTP id IAA16731 for ; Thu, 17 Dec 1998 08:27:12 -0800 (PST) Received: from tensor ([192.168.148.75]) by mail.hyperlynx.com (8.8.5/8.8.5) with SMTP id IAA21992; Thu, 17 Dec 1998 08:20:58 -0800 Message-Id: <3.0.5.32.19981217082204.0097fec0@mail.nwlink.com> X-Sender: mbflora@mail.nwlink.com X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.5 (32) Date: Thu, 17 Dec 1998 08:22:04 -0100 To: Franck AZEMA , ibis-users@eda.org From: Matthew Flora Subject: Re: IBIS pin mapping questions Cc: PATRICK ANDRES , PATRICK SCHEIBEL In-Reply-To: <3678D08F.D6FA4A22@sxb.bsf.alcatel.fr> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Dear Frank Azema, > I try to simulate my electronics designs after layout design. I use QUAD > ANALYZE simulator which include a converter from IBIS model to Quad model to a > specific part : typ, min or max. > The logic and physical symbol of the design tools i use are made with the > specification pin mapping of the manufacturer of the component. In example on > a microprocessor of Motorola ( the MPC823 microprocessor) the pin mapping is > an alpha-numeric grid, so i associate the signal name of the data sheet with > the pin alpha-numeric number in my symbols. > I found the IBIS model of this microprocessor on the web of Motorola and i try > to use it. Many errors appeared after converting manipulation to use this > model. In fact the pin number of the symbol and the pin number of the model > are different. So the simulator didn't look for the good [model] and the > simulation gave bad result. So, i correct the pin number mapping and it was > good for new simulation. > > In an other design i use the AMD microprocessor AM186er. I ask AMD for IBIS or > simulation model and their give me the IBIS model AND the Quad model. So, i > use it and errors appear because the pin number mapping doesn't correct with > the manufacturer data sheet. Here the pin number mapping in only numeric in > opposition of the motorola component. > > MY QUESTION is about the pin number mapping method of a IBIS model. How can i > found the right method which explain how to make this ? WHY isn't it in phase > with the data sheet ? i didn't found any application note on the subtract of > it on your web site. > My pivot table to correct the pin number mapping is the signal name mapping > but it isn't every time exactly the same of the data sheet of the > manufacturer. My contact on different manufacturer can not explain me how the > ibis model make because it is very big company and the can't find the ibis > creator. > > So, are there a method official from IBIS group for this syntax of pin number > mapping and signal name mapping ? > > I thank you answer and i give you a merry christmas and a happy new year. > Frank AZEMA ALCATEL BUSINESS SYSTEMS > Technical direction 1, route du Dr Albert Schweitzer > Tel : +33(0)3 88 67 77 00 F-67408 ILLKIRCH-GRAFFENSTADEN Cedex > Fax : +33(0)3 88 67 70 83 > I am forwarding your question to the IBIS Users Group e-mail reflector and have added you to that reflector so that you will receive any discussions raised by your question. If I understand your question correctly, it sounds like the creators of the IBIS files did not give complete pinouts for the parts. In my opinion, a COMPLETE IBIS file lists every pin on the part in the [Pin] section of the [Component]. If the part is available in multiple packages then the IBIS file could contain multiple [Component] sections or multiple files may be created. Furthermore, I believe it silly for the creators of the IBIS files to use pin and signal names that are inconsistent with the datasheet. (The IBIS specification actually requires a full pinout for each [Component] and specifically says that the pin/signal names should be as given on a datasheet.) Regards, Matthew Flora IBIS Open Forum Secretary (425) 869-2320 PH (425) 881-1008 FAX mbflora@hyperlynx.com HyperLynx, 17641 NE 67th Court, Redmond, WA 98052 USA From owner-ibis Thu Dec 17 09:49:00 1998 Received: from jasper.cisco.com (jasper.cisco.com [171.69.198.63]) by server.eda.org (8.8.5/8.8.3) with ESMTP id JAA17054 for ; Thu, 17 Dec 1998 09:49:00 -0800 (PST) Received: (shuq@localhost) by jasper.cisco.com (8.8.5-Cisco.2-SunOS.5.5.1.sun4/8.6.5) id JAA20237; Thu, 17 Dec 1998 09:43:04 -0800 (PST) Date: Thu, 17 Dec 1998 09:43:04 -0800 (PST) From: Syed Huq Message-Id: <199812171743.JAA20237@jasper.cisco.com> To: azema@sxb.bsf.alcatel.fr, ibis-users@eda.org, mbflora@hyperlynx.com Subject: Re: IBIS pin mapping questions Cc: PATRICK.ANDRES@sxb.bsf.alcatel.fr, PATRICK.SCHEIBEL@sxb.bsf.alcatel.fr Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-MD5: PLC0Bed5g2DpNVsYzxH9/A== Frank, I have seen the same issues that you have outlined. Sometimes you get a model where the [Pin] numbering do not match up with the Datasheet defined numbering. The Datasheet may have used aplha numerics(eg, BGA pkg) while the [Pin] columns used sequential numbers. Unfortunately, I had to fix this myself. The problem goes back to the source of the IBIS model. They need to be consistent with Datasheet naming convention. In some cases, the model developer and the Si Manufacturer are two seperate groups and that could lead to this problem. It is best you bring this up with your model provider. Regards, Syed. Cisco Systems, Inc >Frank writes: > > MY QUESTION is about the pin number mapping method of a IBIS model. How can i > found the right method which explain how to make this ? WHY isn't it in phase > with the data sheet ? From owner-ibis Thu Dec 17 10:00:16 1998 Received: from mail-oak-3.pilot.net (mail-oak-3.pilot.net [198.232.147.18]) by server.eda.org (8.8.5/8.8.3) with ESMTP id KAA17272; Thu, 17 Dec 1998 10:00:16 -0800 (PST) Received: from gateway1.xilinx.com ([149.199.60.201]) by mail-oak-3.pilot.net with ESMTP id JAA13154; Thu, 17 Dec 1998 09:51:08 -0800 (PST) Received: from clavin.xsj.xilinx.com (clavin [149.199.36.199]) by gateway1.xilinx.com (8.8.7/8.8.7) with ESMTP id JAA26695; Thu, 17 Dec 1998 09:55:28 -0800 (PST) Received: from newman.xilinx.com (newman [149.199.37.215]) by clavin.xsj.xilinx.com (8.8.7/8.8.7) with ESMTP id JAA13704; Thu, 17 Dec 1998 09:53:35 -0800 (PST) Received: from xilinx.com ([149.199.9.206]) by newman.xilinx.com (Netscape Messaging Server 3.0) with ESMTP id AAA14066; Thu, 17 Dec 1998 09:54:33 -0800 Sender: "Rob Eccles" Message-ID: <3679455A.17B07E3C@xilinx.com> Date: Thu, 17 Dec 1998 09:54:34 -0800 From: Rob Eccles Organization: Xilinx, Inc. X-Mailer: Mozilla 4.05 [en] (X11; I; SunOS 5.5.1 sun4m) MIME-Version: 1.0 To: ibis@eda.org, ibis-users@eda.org Subject: Characterization Conditions Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit I have read with interest the latest version of the IBIS cookbook. It details recommended characterization conditions for simulating TTL, ECL, LVCMOS, etc. It does not contain recommended conditions for measuring newer I/Os, i.e. SSTL, HSTL, GTL, LVDS. What are the recommended simulation conditions for these I/Os? Rob Eccles Xilinx rob.eccles@xilinx.com From owner-ibis Thu Dec 17 12:29:42 1998 Received: from ganymede.or.intel.com (ganymede.or.intel.com [134.134.248.3]) by server.eda.org (8.8.5/8.8.3) with ESMTP id MAA17812; Thu, 17 Dec 1998 12:29:41 -0800 (PST) Received: from ichips-jf.jf.intel.com (ichips-jf.jf.intel.com [134.134.50.200]) by ganymede.or.intel.com (8.9.1a/8.9.1/d: relay.m4,v 1.6 1998/11/24 22:10:56 iwep Exp iwep $) with ESMTP id UAA23313; Thu, 17 Dec 1998 20:24:53 GMT Received: from xtg801.pdx.intel.com (xtg801.pdx.intel.com [134.134.114.35]) by ichips-jf.jf.intel.com (8.8.8/8.8.7) with ESMTP id MAA04275; Thu, 17 Dec 1998 12:24:52 -0800 (PST) Received: from ichips.intel.com by xtg801.pdx.intel.com (8.8.8/WW2.2 (Jones Farm)) id MAA00634; Thu, 17 Dec 1998 12:24:52 -0800 (PST) Message-Id: <199812172024.MAA00634@xtg801.pdx.intel.com> X-Mailer: exmh version 2.0delta 6/3/97 To: Rob Eccles cc: ibis@eda.org, ibis-users@eda.org Subject: Re: Characterization Conditions In-reply-to: Your message of "Thu, 17 Dec 1998 09:54:34 PST." <3679455A.17B07E3C@xilinx.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 17 Dec 1998 12:24:51 -0800 From: Stephen Peters Hello Rob: By "recommended characterization conditions" I assume you mean the output loads/voltages use to extract V/T waveforms. Because the GTL/GTL+ outputs are open-drain, I would extract the V/T waveforms using the rules for open drain buffers -- a load resistor to Vterm, with the value of Rterm and Vterm determined by the specification or part manufacturer. As for the other standards, if the driver uses a standard push/pull structure use the rules for standard CMOS or TTL (depending on the technology of the buffer). Remember: by taking the V/T waveforms with a load tied to Vcc then to ground, one can isolate the turn-on, turn-off and overlap times of the pullup and pulldown structures, thereby allowing the simulator to construct an accurate model of the driver. This model should be accurate, even if the driver application calls for the output to be terminated to Vcc/2, or series terminated, or whatever. Regards, Stephen Peters Intel Corp. > I have read with interest the latest version of the > IBIS cookbook. It details recommended characterization > conditions for simulating TTL, ECL, LVCMOS, etc. It > does not contain recommended conditions for measuring > newer I/Os, i.e. SSTL, HSTL, GTL, LVDS. > > What are the recommended simulation conditions for these > I/Os? > > Rob Eccles > Xilinx > rob.eccles@xilinx.com From owner-ibis Thu Dec 17 13:17:34 1998 Received: from calliope1.fm.intel.com (calliope1.fm.intel.com [132.233.247.10]) by server.eda.org (8.8.5/8.8.3) with ESMTP id NAA17939 for ; Thu, 17 Dec 1998 13:17:34 -0800 (PST) Received: from fmsmsx17.intel.com (fmsmsx17.fm.intel.com [132.233.58.209]) by calliope1.fm.intel.com (8.9.1a/8.9.1/d: relay.m4,v 1.6 1998/11/24 22:10:56 iwep Exp iwep $) with ESMTP id VAA23540; Thu, 17 Dec 1998 21:12:27 GMT Message-Id: <199812172112.VAA23540@calliope1.fm.intel.com> Received: by FMSMSX17 with Internet Mail Service (5.5.2232.9) id ; Thu, 17 Dec 1998 13:12:27 -0800 From: "Muranyi, Arpad" To: "\"KOK TONG THAM\" " Cc: "\"ibis-users@eda.org\" " Subject: RE: Regarding IBIS Date: Thu, 17 Dec 1998 10:23:00 -0800 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2232.9) Content-Type: text/plain Dear Kok Tong Tham, I will try to answer one of your questions. >I am a Shinshu University student in Japan. >I am interesting in IBIS modeling. I had read over the IBIS version 3.1 >spec.but some keyword still annoying me. Could you explain to me in >detail regarding some keyword? > >1)What meaning of model_name and function_table_group > in the third and fourth column of keyword [Series Pin Mapping]? > and how to define it? > >2)How to define and what meaning of keyword [Series Switch Groups}? > >3)What relation between keyword [Model] and [Model Selector]? You need to use the [Model Selector] in cases when a pin of a device is driven by a buffer which can have different characteristics based on some internal selection mechanizm. A good example is a programmable buffer who's strength can be changed. For a case like that you will have to make a different [Model] for each strength of the buffer. But the pin list of the IBIS model can only call one [Model] (or model selector), that is why the [Model Seletor] is needed. To sum it up, for buffers which can behave several different ways, you have to make a different [Model] for each behavior. You list these [Model]s in the [Model Selector] keyword. The name of the [Model selector] is then used in the pin list. > >4)How to define the Model_name in keyword [Driver Schedule]? > what relation between Model_name and keyword [Model]? > what actually keyword [Driver Schedule] means? > >5)How to define keyword [Pin Mapping]? From owner-ibis Thu Dec 17 18:05:27 1998 Received: from mail-oak-3.pilot.net (mail-oak-3.pilot.net [198.232.147.18]) by server.eda.org (8.8.5/8.8.3) with ESMTP id SAA18349; Thu, 17 Dec 1998 18:05:27 -0800 (PST) Received: from gateway1.xilinx.com ([149.199.60.201]) by mail-oak-3.pilot.net with ESMTP id RAA11005; Thu, 17 Dec 1998 17:56:13 -0800 (PST) Received: from clavin.xsj.xilinx.com (clavin [149.199.36.199]) by gateway1.xilinx.com (8.8.7/8.8.7) with ESMTP id RAA09603; Thu, 17 Dec 1998 17:58:22 -0800 (PST) Received: from newman.xilinx.com (newman [149.199.37.215]) by clavin.xsj.xilinx.com (8.8.7/8.8.7) with ESMTP id RAA27052; Thu, 17 Dec 1998 17:56:29 -0800 (PST) Received: from xilinx.com ([149.199.9.206]) by newman.xilinx.com (Netscape Messaging Server 3.0) with ESMTP id AAA20545; Thu, 17 Dec 1998 17:57:26 -0800 Sender: "Rob Eccles" Message-ID: <3679B688.B2993E9D@xilinx.com> Date: Thu, 17 Dec 1998 17:57:28 -0800 From: Rob Eccles Organization: Xilinx, Inc. X-Mailer: Mozilla 4.05 [en] (X11; I; SunOS 5.5.1 sun4m) MIME-Version: 1.0 To: Stephen Peters CC: ibis@eda.org, ibis-users@eda.org Subject: Re: Characterization Conditions References: <199812172024.MAA00634@xtg801.pdx.intel.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Hi Steve, Thanks for your prompt reply! After reading your response, and giving it some more thought, it looks like SSTL and HSTL should use the same methodology given in Table 1 for CMOS (from the 2.0X version of the Cookbook). In practise, not all boards will use 50 Ohm loads. How sensitive are the IBIS models to termination resistance? I would expect this to be significant. Regards, Rob Eccles Xilinx Stephen Peters wrote: > > Hello Rob: > > By "recommended characterization conditions" I assume you mean > the output loads/voltages use to extract V/T waveforms. Because the > GTL/GTL+ outputs are open-drain, I would extract the V/T waveforms > using the rules for open drain buffers -- a load resistor to > Vterm, with the value of Rterm and Vterm determined by the > specification or part manufacturer. As for the other standards, > if the driver uses a standard push/pull structure use the rules for > standard CMOS or TTL (depending on the technology of the buffer). > Remember: by taking the V/T waveforms with a load tied > to Vcc then to ground, one can isolate the turn-on, turn-off and > overlap times of the pullup and pulldown structures, thereby allowing > the simulator to construct an accurate model of the driver. This > model should be accurate, even if the driver application calls for > the output to be terminated to Vcc/2, or series terminated, or whatever. > > Regards, > Stephen Peters > Intel Corp. > > > I have read with interest the latest version of the > > IBIS cookbook. It details recommended characterization > > conditions for simulating TTL, ECL, LVCMOS, etc. It > > does not contain recommended conditions for measuring > > newer I/Os, i.e. SSTL, HSTL, GTL, LVDS. > > > > What are the recommended simulation conditions for these > > I/Os? > > > > Rob Eccles > > Xilinx > > rob.eccles@xilinx.com From owner-ibis Fri Dec 18 05:51:30 1998 Received: from smtp4.ny.us.ibm.COM (smtp4.ny.us.ibm.com [198.133.22.43]) by server.eda.org (8.8.5/8.8.3) with ESMTP id FAA19949; Fri, 18 Dec 1998 05:51:29 -0800 (PST) From: gedlund@us.ibm.com Received: from northrelay01.pok.ibm.com (northrelay01.pok.ibm.com [9.117.200.21]) by smtp4.ny.us.ibm.COM (8.8.7/8.8.7) with ESMTP id IAA53690; Fri, 18 Dec 1998 08:32:32 -0500 Received: from us.ibm.com (d51mta10.pok.ibm.com [9.117.200.38]) by northrelay01.pok.ibm.com (8.8.7m1/NCO v1.7) with SMTP id IAA218048; Fri, 18 Dec 1998 08:46:13 -0500 Received: by us.ibm.com(Lotus SMTP MTA Internal build v4.6.2 (651.2 6-10-1998)) id 852566DE.004BA053 ; Fri, 18 Dec 1998 08:46:02 -0500 X-Lotus-FromDomain: IBMUS To: Rob Eccles cc: ibis@vhdl.org, ibis-users@vhdl.org Message-ID: <852566DE.004B9FB5.00@us.ibm.com> Date: Fri, 18 Dec 1998 07:43:36 -0600 Subject: Re: Characterization Conditions Mime-Version: 1.0 Content-type: text/plain; charset=us-ascii Content-Disposition: inline Rob, In the case of a classic GTL driver (which uses feedback), you may also want to sweep the resistance to Vtt (Rterm) over its effective operational range. Then compare behavioral simulation waveforms against SPICE waveforms and see how close you can get. I found that the simulator I was using wasn't able to track SPICE very well. I've been told that multiple VT tables for different values for Rterm is one approach to solving the "GTL feedback behavioral modeling problem," but I've never actually heard the circuit theory behind this. I guess all I'm saying is run some SPICE vs. behavioral correlation and "model developer beware..." Greg Edlund Advisory Engineer, Critical Net Analysis IBM 3650 Hwy. 52 N, Dept. HDC Rochester, MN 55901 gedlund@us.ibm.com Rob Eccles on 12/17/98 07:57:28 PM To: Stephen Peters cc: ibis@eda.org, ibis-users@eda.org (bcc: Gregory R Edlund/Rochester/IBM) Subject: Re: Characterization Conditions Hi Steve, Thanks for your prompt reply! After reading your response, and giving it some more thought, it looks like SSTL and HSTL should use the same methodology given in Table 1 for CMOS (from the 2.0X version of the Cookbook). In practise, not all boards will use 50 Ohm loads. How sensitive are the IBIS models to termination resistance? I would expect this to be significant. Regards, Rob Eccles Xilinx Stephen Peters wrote: > > Hello Rob: > > By "recommended characterization conditions" I assume you mean > the output loads/voltages use to extract V/T waveforms. Because the > GTL/GTL+ outputs are open-drain, I would extract the V/T waveforms > using the rules for open drain buffers -- a load resistor to > Vterm, with the value of Rterm and Vterm determined by the > specification or part manufacturer. As for the other standards, > if the driver uses a standard push/pull structure use the rules for > standard CMOS or TTL (depending on the technology of the buffer). > Remember: by taking the V/T waveforms with a load tied > to Vcc then to ground, one can isolate the turn-on, turn-off and > overlap times of the pullup and pulldown structures, thereby allowing > the simulator to construct an accurate model of the driver. This > model should be accurate, even if the driver application calls for > the output to be terminated to Vcc/2, or series terminated, or whatever. > > Regards, > Stephen Peters > Intel Corp. > > > I have read with interest the latest version of the > > IBIS cookbook. It details recommended characterization > > conditions for simulating TTL, ECL, LVCMOS, etc. It > > does not contain recommended conditions for measuring > > newer I/Os, i.e. SSTL, HSTL, GTL, LVDS. > > > > What are the recommended simulation conditions for these > > I/Os? > > > > Rob Eccles > > Xilinx > > rob.eccles@xilinx.com From owner-ibis Fri Dec 18 09:50:34 1998 Received: from relay1.UU.NET (relay1.UU.NET [192.48.96.5]) by server.eda.org (8.8.5/8.8.3) with ESMTP id JAA20609; Fri, 18 Dec 1998 09:50:33 -0800 (PST) Received: from uucp3.uu.net by relay1.UU.NET with SMTP (peer crosschecked as: uucp3.uu.net [192.48.96.83]) id QQfuhz21439; Fri, 18 Dec 1998 12:45:24 -0500 (EST) Received: from qdt.UUCP by uucp3.uu.net with UUCP/RMAIL ; Fri, 18 Dec 1998 12:45:24 -0500 Received: from viewlogic.com by qdt.viewlogic.com (4.1/SMI-4.1) id AA14261; Fri, 18 Dec 98 09:38:06 PST Received: from chris by qdt.com (4.1/SMI-4.1) id AA22444; Fri, 18 Dec 98 09:37:59 PST Message-Id: <0a3801be2aac$c7c0b7b0$97c2b58b@chris.camarillo.viewlogic.com> From: "Chris Rokusek" To: "Rob Eccles" Cc: , Subject: Re: Characterization Conditions Date: Fri, 18 Dec 1998 09:35:18 -0800 Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-Msmail-Priority: Normal X-Mailer: Microsoft Outlook Express 4.72.3110.5 X-Mimeole: Produced By Microsoft MimeOLE V4.72.3110.3 Rob, Many simulators are interested in using results of driving the TRACE IMPEDANCE seen by the driver which is where the 50 came from. Vaguely speaking--using the range of the DC V-I curves exercised by the VT loading conditions together with the AC waveform data as inputs, the driver may then be applied to arbitrary loads (termination, capacitance, diodes, ...) in simulation to produce accurate results. So as long as the load is near (e.g. within .25X to 4X) the impedance that the driver sees during switching, simulation results should be nearly identical for most devices. DISCLAIMER: Simulators are not required to use the waveform data in any particular manner so the above may not be true for all simulators. However the cookbook recommendations were developed under consensus of simulator companies on the IBIS committee. Regards, Chris Rokusek Viewlogic Systems -----Original Message----- From: Rob Eccles To: Stephen Peters Cc: ibis@eda.org ; ibis-users@eda.org Date: Thursday, December 17, 1998 6:43 PM Subject: Re: Characterization Conditions >Hi Steve, > >Thanks for your prompt reply! > >After reading your response, and giving it some more thought, >it looks like SSTL and HSTL should use the same methodology >given in Table 1 for CMOS (from the 2.0X version of the Cookbook). > >In practise, not all boards will use 50 Ohm loads. How sensitive >are the IBIS models to termination resistance? I would expect >this to be significant. > >Regards, >Rob Eccles >Xilinx From owner-ibis Fri Dec 18 10:28:35 1998 Received: from jasper.cisco.com (jasper.cisco.com [171.69.198.63]) by server.eda.org (8.8.5/8.8.3) with ESMTP id KAA20679 for ; Fri, 18 Dec 1998 10:28:35 -0800 (PST) Received: (shuq@localhost) by jasper.cisco.com (8.8.5-Cisco.2-SunOS.5.5.1.sun4/8.6.5) id KAA25918; Fri, 18 Dec 1998 10:23:15 -0800 (PST) Date: Fri, 18 Dec 1998 10:23:15 -0800 (PST) From: Syed Huq Message-Id: <199812181823.KAA25918@jasper.cisco.com> To: ibis-users@vhdl.org Subject: IPA software status - update Cc: shuq@cisco.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-MD5: n+4QDCl/sKOBrpbXLpayaw== Hello, Here is an update on the status of IPA-510 software for web distribution: IPA Binary: ----------- The binary version will be made available by Jan'99 timeframe. Resource has been allocated to work on a dongle-free version. Discussion in progress to provide documentation along with binary. IPA Source: ----------- Initiated discussion with the GNU Project to see if they would be willing to be 'maintainer'. GNU Project had various questions about IBIS, Modeling, IPA etc etc. They outlined a set of conditions that the IPA needs to meet to be GNU complaint. This will allow all GNU software to interact easily. Tek is not sure about working with GNU. They feel that the software has more value for IBIS community than GNU. Basically, GNU's involement is only to be the source maintainer and not source code development. Discussion with GNU/Tek/IBIS in progress regarding this. FSF(Free Software Foundation) is also interested to provide support for a FEE to the IPA users community. This is still under discussion. Next Step: --------- I would like to make a call to any EDA company who would like to volunteer some software expertise to be the 'maintainer'. No product development is required from you. Only need to incorporate all the developments that may be made by various companies and release 'ONE' consolidated version. Any other ideas of source code distribution is welcome. THis IPA discussion will again be on the next IBIS teleconferece(Jan15th). Regards, Syed. Cisco Systems, Inc. From owner-ibis Fri Dec 18 12:26:37 1998 Received: from mail.hyperlynx.com (root@mail.hyperlynx.com [209.20.148.70]) by server.eda.org (8.8.5/8.8.3) with ESMTP id MAA20959 for ; Fri, 18 Dec 1998 12:26:35 -0800 (PST) Received: from tensor ([192.168.148.75]) by mail.hyperlynx.com (8.8.5/8.8.5) with SMTP id MAA30857 for ; Fri, 18 Dec 1998 12:21:48 -0800 Message-Id: <3.0.5.32.19981218122255.010b4030@mail.nwlink.com> X-Sender: mbflora@mail.nwlink.com X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.5 (32) Date: Fri, 18 Dec 1998 12:22:55 -0100 To: ibis-users@eda.org From: Matthew Flora Subject: Software update (Visual IBIS Editor) - FYI Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To those of you using the freebee Visual IBIS Editor, You can now view the graphs of all the V/T tables in a model (not just the first one). The Check Model feature has been updated to IBISCHK3.1. The latest version is at the usual place (http://www.hyperlynx.com/vis_ibis.html). Regards, Matthew Flora HyperLynx From owner-ibis Fri Dec 18 23:37:32 1998 Received: from mailgate.cadence.com (mailgate.Cadence.COM [158.140.2.1]) by server.eda.org (8.8.5/8.8.3) with ESMTP id XAA22083 for ; Fri, 18 Dec 1998 23:37:32 -0800 (PST) Received: (from smap@localhost) by mailgate.cadence.com (8.8.5/8.6.8) id XAA02284; Fri, 18 Dec 1998 23:32:43 -0800 (PST) Received: from corona.Cadence.COM(158.140.127.12) by mailgate.cadence.com via smap (mjr-v1.2) id xma914052759.002272; Fri, 18 Dec 98 23:32:39 -0800 Received: (from ads@localhost) by corona.cadence.com (8.6.8/8.6.8) id NAA00415; Sat, 19 Dec 1998 13:03:27 +0531 Date: Sat, 19 Dec 1998 13:03:27 +0531 From: "A. D. Shirpadaraj" Message-Id: <199812190732.NAA00415@corona.cadence.com> To: shuq@cisco.com Subject: Re: IPA software status - update Cc: ibis-users@vhdl.org X-Sun-Charset: US-ASCII Hi Syed, What is IPA-510 software? Could you please elaborate on this and send some pointer to find more info on the said software? Thanks Shripad From owner-ibis Mon Dec 21 09:20:32 1998 Received: from jasper.cisco.com (jasper.cisco.com [171.69.198.63]) by server.eda.org (8.8.5/8.8.3) with ESMTP id JAA25880 for ; Mon, 21 Dec 1998 09:20:31 -0800 (PST) Received: (shuq@localhost) by jasper.cisco.com (8.8.5-Cisco.2-SunOS.5.5.1.sun4/8.6.5) id JAA26919; Mon, 21 Dec 1998 09:15:03 -0800 (PST) Date: Mon, 21 Dec 1998 09:15:03 -0800 (PST) From: Syed Huq Message-Id: <199812211715.JAA26919@jasper.cisco.com> To: shuq@cisco.com, ads@cadence.com Subject: Re: IPA software status - update Cc: ibis-users@vhdl.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-MD5: mRM34nhcfz/hG9enqap+Zg== Shripad, IPA(Interconnect Parametric Analyzer)is a software from Tektronix. This software is used along with a TDR to analyze and model(SPICE) interconnects. The software captures the reflection profile of the interconnect under test when the TDR pulse(35ps edge)hits it. The IPA software then creates an impedance profile of the captured waveform and uses this to generate various types of SPICE models (distributed, RLC, Lossy)etc etc. I have used this software to extract C_comp parameter as well as V/T table data for measurement based IBIS modeling. This is also great to extract package parasitcs. Since this product will be discontinued, Tektronix wants to give this software to the IBIS community for FREE(Both Binary and Source). So that's what the E-mail update is all about. The reason they are giving this up is because they no longer want to support the software. The idea is for anyone can take the source code, modify it for enhancement purpose and give back both the new binary and source back to the IBIS community. The tool gets enhanced and IBIS users benefit from it. There are various good Application Notes on the www.tek.com site. Do a search on 'IPA' and you will get all of them. More updates to follow after the holidays... Regards, Syed. Cisco Systems,Inc > > > Hi Syed, > > What is IPA-510 software? Could you please elaborate on this and > send some pointer to find more info on the said software? > > > Thanks > > Shripad From owner-ibis Mon Dec 21 09:46:34 1998 Received: from relay1.wv.mentorg.com (relay1.mentorg.com [192.94.38.42]) by server.eda.org (8.8.5/8.8.3) with ESMTP id JAA25983 for ; Mon, 21 Dec 1998 09:46:34 -0800 (PST) Received: from em-wv03.wv.mentorg.com by relay1.wv.mentorg.com (8.8.8/CF5.40F) id JAA09105; Mon, 21 Dec 1998 09:41:15 -0800 (PST) Received: from zeelsrvr.wv.mentorg.com by em-wv03.wv.mentorg.com (8.8.8/CF5.40R) id JAA12091; Mon, 21 Dec 1998 09:41:11 -0800 (PST) Received: by zeelsrvr.wv.mentorg.com with Microsoft Mail id <01BE2CC5.F36FEA50@zeelsrvr.wv.mentorg.com>; Mon, 21 Dec 1998 09:40:31 -0800 Message-ID: <01BE2CC5.F36FEA50@zeelsrvr.wv.mentorg.com> From: Ted Creedon To: "'Syed Huq'" , "ads@cadence.com" Cc: "ibis-users@vhdl.org" Subject: RE: IPA software status - update Date: Mon, 21 Dec 1998 09:40:30 -0800 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Why IBIS doesn't jump on this opportunity is beyond me. Interconnect is more of a problem than IC models. I've offered to deliver IPA CD's but Tek has not responded. Perhaps IBIS will. Just send a completed license agreement and a check for $250 for shipping and handling. Same as getting Xspice from Georgia Tech. Ted Creedon, P.E. Mentor Graphics ICX Models Group PS I have an 11800 and SD-24. -----Original Message----- From: Syed Huq [SMTP:shuq@cisco.com] Sent: Monday, December 21, 1998 9:15 AM To: shuq@cisco.com; ads@cadence.com Cc: ibis-users@vhdl.org Subject: Re: IPA software status - update Shripad, IPA(Interconnect Parametric Analyzer)is a software from Tektronix. This software is used along with a TDR to analyze and model(SPICE) interconnects. The software captures the reflection profile of the interconnect under test when the TDR pulse(35ps edge)hits it. The IPA software then creates an impedance profile of the captured waveform and uses this to generate various types of SPICE models (distributed, RLC, Lossy)etc etc. I have used this software to extract C_comp parameter as well as V/T table data for measurement based IBIS modeling. This is also great to extract package parasitcs. Since this product will be discontinued, Tektronix wants to give this software to the IBIS community for FREE(Both Binary and Source). So that's what the E-mail update is all about. The reason they are giving this up is because they no longer want to support the software. The idea is for anyone can take the source code, modify it for enhancement purpose and give back both the new binary and source back to the IBIS community. The tool gets enhanced and IBIS users benefit from it. There are various good Application Notes on the www.tek.com site. Do a search on 'IPA' and you will get all of them. More updates to follow after the holidays... Regards, Syed. Cisco Systems,Inc > > > Hi Syed, > > What is IPA-510 software? Could you please elaborate on this and > send some pointer to find more info on the said software? > > > Thanks > > Shripad From owner-ibis Mon Dec 21 11:26:57 1998 Received: from hebe.or.intel.com (hebe.or.intel.com [134.134.248.4]) by server.eda.org (8.8.5/8.8.3) with ESMTP id LAA26189 for ; Mon, 21 Dec 1998 11:26:56 -0800 (PST) Received: from orsmsx29.jf.intel.com (orsmsx29.jf.intel.com [192.168.65.29]) by hebe.or.intel.com (8.9.1a/8.9.1/d: relay.m4,v 1.6 1998/11/24 22:10:56 iwep Exp iwep $) with ESMTP id LAA02218; Mon, 21 Dec 1998 11:31:40 -0800 (PST) Message-Id: <199812211931.LAA02218@hebe.or.intel.com> Received: by ORSMSX29 with Internet Mail Service (5.5.2232.9) id ; Mon, 21 Dec 1998 11:21:49 -0800 From: "Muranyi, Arpad" To: "\"'Syed Huq'\" " , "\"ads@cadence.com\" " , "\"Ted Creedon\" " Cc: "\"ibis-users@vhdl.org\" " Subject: RE: IPA software status - update Date: Mon, 21 Dec 1998 11:20:00 -0800 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2232.9) Content-Type: text/plain I believe we (members of the IBIS Open Forum) all jumped on it, but got suspended in mid-air buy the legal and new feature addition process implications/requirements, etc. What I wonder about is whether we are going to continue flying our jump or fall on our face... It seems, though, that Syed is doing an excellent job in trying to find the appropriate gatekeepers for this software. Arpad ============================================================================ ==== Why IBIS doesn't jump on this opportunity is beyond me. Interconnect is more of a problem than IC models. I've offered to deliver IPA CD's but Tek has not responded. Perhaps IBIS will. Just send a completed license agreement and a check for $250 for shipping and handling. Same as getting Xspice from Georgia Tech. Ted Creedon, P.E. Mentor Graphics ICX Models Group PS I have an 11800 and SD-24. -----Original Message----- From: Syed Huq [SMTP:shuq@cisco.com] Sent: Monday, December 21, 1998 9:15 AM To: shuq@cisco.com; ads@cadence.com Cc: ibis-users@vhdl.org Subject: Re: IPA software status - update Shripad, IPA(Interconnect Parametric Analyzer)is a software from Tektronix. This software is used along with a TDR to analyze and model(SPICE) interconnects. The software captures the reflection profile of the interconnect under test when the TDR pulse(35ps edge)hits it. The IPA software then creates an impedance profile of the captured waveform and uses this to generate various types of SPICE models (distributed, RLC, Lossy)etc etc. I have used this software to extract C_comp parameter as well as V/T table data for measurement based IBIS modeling. This is also great to extract package parasitcs. Since this product will be discontinued, Tektronix wants to give this software to the IBIS community for FREE(Both Binary and Source). So that's what the E-mail update is all about. The reason they are giving this up is because they no longer want to support the software. The idea is for anyone can take the source code, modify it for enhancement purpose and give back both the new binary and source back to the IBIS community. The tool gets enhanced and IBIS users benefit from it. There are various good Application Notes on the www.tek.com site. Do a search on 'IPA' and you will get all of them. More updates to follow after the holidays... Regards, Syed. Cisco Systems,Inc > > > Hi Syed, > > What is IPA-510 software? Could you please elaborate on this and > send some pointer to find more info on the said software? > > > Thanks > > Shripad From owner-ibis Mon Dec 21 11:34:28 1998 Received: from jasper.cisco.com (jasper.cisco.com [171.69.198.63]) by server.eda.org (8.8.5/8.8.3) with ESMTP id LAA26201 for ; Mon, 21 Dec 1998 11:34:28 -0800 (PST) Received: (shuq@localhost) by jasper.cisco.com (8.8.5-Cisco.2-SunOS.5.5.1.sun4/8.6.5) id LAA06204; Mon, 21 Dec 1998 11:28:28 -0800 (PST) Date: Mon, 21 Dec 1998 11:28:28 -0800 (PST) From: Syed Huq Message-Id: <199812211928.LAA06204@jasper.cisco.com> To: shuq@cisco.com, ads@cadence.com, ted_creedon@mentorg.com, arpad.muranyi@intel.com Subject: RE: IPA software status - update Cc: ibis-users@vhdl.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-MD5: DyCL7zSijXYlkFUnQefqXg== I say we are flying...The ball is rolling and I am in touch with individuals as well as the GNU project to resolve 'gatekeeper/maintainer' issues. Thank you all for your support and more info to come after the New Year.. Happy Holidays.. Syed. Cisco Systems, Inc > > I believe we (members of the IBIS Open Forum) all jumped on it, but got > suspended in mid-air buy the legal and new feature addition process > implications/requirements, etc. What I wonder about is whether we are going > to > continue flying our jump or fall on our face... > > It seems, though, that Syed is doing an excellent job in trying to find the > appropriate gatekeepers for this software. > > Arpad > ============================================================================ > ==== > > Why IBIS doesn't jump on this opportunity is beyond me. Interconnect is > more of > a problem than IC models. > > I've offered to deliver IPA CD's but Tek has not responded. Perhaps IBIS > will. > > Just send a completed license agreement and a check for $250 for shipping > and > handling. > > Same as getting Xspice from Georgia Tech. > > Ted Creedon, P.E. > Mentor Graphics ICX Models Group > > PS I have an 11800 and SD-24. > > -----Original Message----- > From: Syed Huq [SMTP:shuq@cisco.com] > Sent: Monday, December 21, 1998 9:15 AM > To: shuq@cisco.com; ads@cadence.com > Cc: ibis-users@vhdl.org > Subject: Re: IPA software status - update > > Shripad, > > IPA(Interconnect Parametric Analyzer)is a software from Tektronix. > This software is used along with a TDR to analyze and model(SPICE) > interconnects. The software captures the reflection profile of the > interconnect under test when the TDR pulse(35ps edge)hits it. > The IPA software then creates an impedance profile of the captured > waveform and uses this to generate various types of SPICE models > (distributed, RLC, Lossy)etc etc. > > I have used this software to extract C_comp parameter as well as V/T > table data for measurement based IBIS modeling. This is also great to > extract package parasitcs. > > Since this product will be discontinued, Tektronix wants to give this > software to the IBIS community for FREE(Both Binary and Source). So that's > what the E-mail update is all about. > > The reason they are giving this up is because they no longer want to > support the software. The idea is for anyone can take the source code, > modify > it for enhancement purpose and give back both the new binary and source back > to the IBIS community. The tool gets enhanced and IBIS users benefit from > it. > > There are various good Application Notes on the www.tek.com site. Do > a search on 'IPA' and you will get all of them. > > More updates to follow after the holidays... > > Regards, > Syed. > Cisco Systems,Inc > > > > > > > Hi Syed, > > > > What is IPA-510 software? Could you please elaborate on this and > > send some pointer to find more info on the said software? > > > > > > Thanks > > > > Shripad From owner-ibis Mon Dec 21 12:09:44 1998 Received: from oliver.al.dynip.com (al@mg-20664219-102.ricochet.net [206.64.219.102]) by server.eda.org (8.8.5/8.8.3) with ESMTP id MAA26267 for ; Mon, 21 Dec 1998 12:09:38 -0800 (PST) Received: from localhost (al@localhost) by oliver.al.dynip.com (8.8.7/8.8.7) with SMTP id MAA16224; Mon, 21 Dec 1998 12:04:17 -0800 Date: Mon, 21 Dec 1998 12:04:16 -0800 (PST) From: Al Davis X-Sender: al@oliver To: Syed Huq cc: ads@cadence.com, ted_creedon@mentorg.com, arpad.muranyi@intel.com, ibis-users@vhdl.org Subject: RE: IPA software status - update In-Reply-To: <199812211928.LAA06204@jasper.cisco.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII The GNU people have lots to do and don't need the extra burden of something like this that they don't understand. You can maintain ownership and distribute under the GNU public license without any connection to the Free Software Foundation. You don't need their permission to do this. Most software distributed under GPL is owned by its creater, not FSF. So .. attach GPL. post to IBIS site. From owner-ibis Wed Dec 23 04:55:38 1998 Received: from galileo5.galileo.co.il ([192.117.143.58]) by server.eda.org (8.8.5/8.8.3) with ESMTP id EAA01900 for ; Wed, 23 Dec 1998 04:55:35 -0800 (PST) Received: from galileo.co.il (galileo24.galileo.co.il [192.116.246.197]) by galileo.co.il (8.8.5/8.8.5) with ESMTP id OAA28664 for ; Wed, 23 Dec 1998 14:46:52 +0200 (GMT-2) Sender: dan@galileo.co.il Message-ID: <3680E63B.9278DED5@galileo.co.il> Date: Wed, 23 Dec 1998 14:46:51 +0200 From: Dan Aleksandrowicz Organization: GALILEO Technology Ltd. X-Mailer: Mozilla 4.02 [en] (X11; I; SunOS 5.5.1 sun4u) MIME-Version: 1.0 To: "ibis-users@eda.org" Subject: IBIS model Accuracy Content-Type: multipart/alternative; boundary="------------6F9F2E3A366B7CB0D0F988B1" --------------6F9F2E3A366B7CB0D0F988B1 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Hi there. I would like to know if there is any new developments in the accuracy issue. I have recently started to receive PCB measurements wave forms. And I would like to know if there is any suggested standard to measure the accuracy of my IBIS model. Especially VS the simulated wave forms. Thanks Dan. -- \\|// (o o) ~~~~~~~~~~~~oOOo~(_)~oOOo~~~~~~~~~~~~~~~~~~~ Dan Aleksandrowicz Galileo Technology Giron 15, Yahud - Israel email:dan@galileo.co.il Tel: +972 3 6320220 (- Ext. 324 |__| |__| #|oo| |--| ___ _ _ |--| | | |\ |oo|) /\ __ \\ \\ |------------\| #|--\ _||- ____\ \__\\_\\__|_||_________________\___| |__v-___ \ / \ "Smoke on the water. Fire in the sky." / ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ --------------6F9F2E3A366B7CB0D0F988B1 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit Hi there.

I would like to know if there is any new developments in
the accuracy issue.

I have recently started to receive PCB measurements
wave forms. And I would like to know if there is any
suggested standard to measure the accuracy of my IBIS
model. Especially VS the simulated wave forms.

Thanks

Dan. 

-- 
                \\|//
                (o o)
~~~~~~~~~~~~oOOo~(_)~oOOo~~~~~~~~~~~~~~~~~~~
Dan Aleksandrowicz
Galileo Technology 
Giron 15, Yahud - Israel
email:dan@galileo.co.il
Tel: +972 3 6320220    (-                    
     Ext. 324         |__|
                      |__|
                     #|oo| |--|   ___
           _  _    |--|  | |  |\ |oo|)        /\
       __  \\ \\   |------------\| #|--\     _||-
   ____\ \__\\_\\__|_||_________________\___|   |__v-___
   \                                                   /
    \      "Smoke on the water. Fire in the sky."     /
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  --------------6F9F2E3A366B7CB0D0F988B1-- From owner-ibis Wed Dec 23 05:39:42 1998 Received: from mail13.digital.com (mail13.digital.com [192.208.46.30]) by server.eda.org (8.8.5/8.8.3) with ESMTP id FAA02029 for ; Wed, 23 Dec 1998 05:39:41 -0800 (PST) Received: from sbuamazko2ae.zko.dec.com (sbuamazko2ae.zko.dec.com [16.29.160.92]) by mail13.digital.com (8.9.1a/8.9.1/WV2.0c) with ESMTP id IAA18643 for ; Wed, 23 Dec 1998 08:34:51 -0500 (EST) Received: by sbuamazko2ae.zko.dec.com with Internet Mail Service (5.0.1458.49) id ; Wed, 23 Dec 1998 08:34:44 -0500 Message-ID: <71EEA9EA5129D1118EA30000F840EBF1DFFCD7@sbuamapko3bc.eng.pko.dec.com> From: Robert Haller To: "'Dan Aleksandrowicz'" Cc: "'ibis-users@eda.org'" Subject: RE: IBIS model Accuracy Date: Wed, 23 Dec 1998 08:34:47 -0500 X-Priority: 3 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.0.1458.49) Content-Type: text/plain Dan, A group of us (the IBIS accuracy Subcomittee) have been working on such a document. We call it The IBIS Accuracy Specification.This is not a standard yet, but we are presently working towards that end . Take a look and feed us back any comments. http://www.vhdl.org/pub/ibis/accuracy/ Regards, Bob Haller -----Original Message----- From: Dan Aleksandrowicz [mailto:dan@galileo.co.il] Sent: Wednesday, December 23, 1998 7:47 AM To: ibis-users@eda.org Subject: IBIS model Accuracy Hi there. I would like to know if there is any new developments in the accuracy issue. I have recently started to receive PCB measurements wave forms. And I would like to know if there is any suggested standard to measure the accuracy of my IBIS model. Especially VS the simulated wave forms. Thanks Dan. -- \\|// (o o) ~~~~~~~~~~~~oOOo~(_)~oOOo~~~~~~~~~~~~~~~~~~~ Dan Aleksandrowicz Galileo Technology Giron 15, Yahud - Israel email:dan@galileo.co.il Tel: +972 3 6320220 (- Ext. 324 |__| |__| #|oo| |--| ___ _ _ |--| | | |\ |oo|) /\ __ \\ \\ |------------\| #|--\ _||- ____\ \__\\_\\__|_||_________________\___| |__v-___ \ / \ Smoke on the water. Fire in the sky. / ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ From owner-ibis Wed Dec 23 08:18:15 1998 Received: from jasper.cisco.com (jasper.cisco.com [171.69.198.63]) by server.eda.org (8.8.5/8.8.3) with ESMTP id IAA02349 for ; Wed, 23 Dec 1998 08:18:15 -0800 (PST) Received: (shuq@localhost) by jasper.cisco.com (8.8.5-Cisco.2-SunOS.5.5.1.sun4/8.6.5) id IAA22524; Wed, 23 Dec 1998 08:12:06 -0800 (PST) Date: Wed, 23 Dec 1998 08:12:06 -0800 (PST) From: Syed Huq Message-Id: <199812231612.IAA22524@jasper.cisco.com> To: shuq@cisco.com, al@al.dynip.com Subject: RE: IPA software status - update Cc: ads@cadence.com, ted_creedon@mentorg.com, arpad.muranyi@intel.com, ibis-users@vhdl.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-MD5: Qy/uQtGXaX13vKygyPlb7A== Distribution of the IPA is not an issue. We can do that from our website with no problem. The issue is to find a maintainer(volunteer!)..That is being worked on. Syed. Cisco Systems, Inc. > From al@al.dynip.com Mon Dec 21 12:04:08 1998 > X-SMAP-Received-From: outside > Date: Mon, 21 Dec 1998 12:04:16 -0800 (PST) > From: Al Davis > X-Sender: al@oliver > To: Syed Huq > cc: ads@cadence.com, ted_creedon@mentorg.com, arpad.muranyi@intel.com, ibis-users@vhdl.org > Subject: RE: IPA software status - update > MIME-Version: 1.0 > > > The GNU people have lots to do and don't need the extra burden of > something like this that they don't understand. You can maintain > ownership and distribute under the GNU public license without any > connection to the Free Software Foundation. You don't need their > permission to do this. Most software distributed under GPL is owned by > its creater, not FSF. > > So .. attach GPL. post to IBIS site. > > From owner-ibis Wed Dec 23 10:39:13 1998 Received: from wile.nesa.com ([204.240.29.30]) by server.eda.org (8.8.5/8.8.3) with ESMTP id KAA02601 for ; Wed, 23 Dec 1998 10:39:10 -0800 (PST) Received: (from mail@localhost) by wile.nesa.com (8.8.5/8.8.5) id MAA05449; Wed, 23 Dec 1998 12:06:58 -0500 Received: from porky.nesa.com(204.240.29.45) by wile.nesa.com via smap (V1.3) id sma005447; Wed Dec 23 12:06:49 1998 Message-Id: <3.0.5.32.19981223120614.009b9c10@mail.nesa.com> X-Sender: breda@mail.nesa.com X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.5 (32) Date: Wed, 23 Dec 1998 12:06:14 -0500 To: ibis-users@eda.org, si-list@silab.Eng.Sun.COM From: Kathy Breda Subject: IBIS Users Meeting - Thurs. 1/14/99, 3:00pm Cc: slattery@nesa.com Mime-Version: 1.0 Content-Type: text/enriched; charset="us-ascii" IBIS Users Meeting - Thursday, January 14, 1999 ----------------------------------------------- Date: Thursday, January 14, 1998 Time: 3:00 PM to 5:00 PM Place: North East Systems Associates, Inc. (NESA) 636 Great Rd. (otherwise known as Route 117) Stow, MA 01775 TEL: (978) 897-8787 (do you want to conference link into meeting?) N.B. Directions to NESA at end of this message Agenda: * IBIS Accuracy Specification Status * IBIS Connector Model Status Preparation for upcoming IBIS Summit (at DesignCon99, Santa Clara, CA, February 1, 1999) * IBIS WEB page * Any other business What is IBIS**IBIS WEB Page**IBIS User Group Activities IBIS = I/O Buffer Information Specification The design community primarily uses electronic design tools and SPICE (Simulation Program with Integrated Circuit Emphasis) to develop and test the viability and performance characteristics of their designs. The IBIS standard is an alternative method of simulation for high speed designs that uses behavioral models verses transistor level models. IBIS Web page located at : http://www.eigroup.org/ibis/ibis.htm We had a well attended and informative IBIS Summit in October and now it is time to get going with the IBIS user meetings again. The IBIS Users group continues to move forward with the IBIS Accuracy Specification and test board,IBIS Connector modeling and training initiatives. We are hoping for additional involvement from the engineering community in 1999 and are looking for input, involvement and ideas. Do you want to come up to speed and learn about IBIS...? Do you want to develop/investigate a particular IBIS related idea that would assist with your system designs...? Do you want to share your experiences using IBIS models and get feedback...? Do you want to get generally involved in the current IBIS User group discussions...? Please feel free to join the IBIS User group meetings - all are welcome, in person or by conference link! Let Kathy Breda (breda@nesa.com) know if you would like to attend so we have enough chairs and brownies! Also, if you would like to connect via conference phone, please let Kathy know and she will arrange the details. Additional names have been added to the IBIS distribution list, so if you did not attend the Summit and need copies of the presentations, you can get them off the IBIS web page (URL listed above) or contact Kathy. Directions to NESA: From 495, take exit 27 (route 117, towards Maynard) Follow 117 for about 3.5 miles NESA is located on the second floor of the Stow Brook Offices, on the corner of Route 117 and Hudson Rd. Stow Brook Offices are located across the street from CW fuels. You can also reach Route 117 from Route 128. Once on Route 117 follow road until you reach Hudson Rd. in Stow, see details above. Happy Holidays to All, Kathy Breda < +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+ | NORTH EAST SYSTEMS ASSOCIATES, INC. | | ------------------------------------- | | "High Performance Engineering & Design" | +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+ | Kathy Breda e-mail: breda@nesa.com | | NESA, Inc. http://www.nesa.com/ | | 636 Great Road Tel +1.978.897-8787 | | Stow, MA 01775 USA Fax +1.978.897-5359 | +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+