DATE: 11/10/98 SUBJECT: 11/6/98 EIA IBIS Open Forum Minutes VOTING MEMBERS AND 1998 PARTICIPANTS LIST: AMP (Martin Freedman) Applied Simulation Technology Norio Matsui, Raj Raghuram* Cadence Design (& UniCAD) C. Kumar, Don Telian, Patrick Riffault, Craig Lewis, Greg Fitzgerald, Paul Galloway, Patrick Dos Santos, Catherine Weiss, Alain Tribaudot, Geoffrey Ellis, Todd Westerhoff*, Ken Willis, Mike LaBonte* Cisco Systems Syed Huq*, Sergio Camerlo, Irfan Elahi Compaq Shariq Rahma, Jeff Chu, Bob Haller*, (Digital Equipment Corp.) Doug Burns, Steve Coe Cypress Bruce Wenniger H.A.S. Electronics Haruny Said Hewlett Packard (EEsof, etc.) Karl Kachigan, Henry Wu, Paul Gregory, Brenda Arena High Design Technology Razvan Ene HyperLynx Kellee Crisafulli, Matthew Flora*, Gene Garat, Dave Kohlmeier Incases Olaf Rethmeier, Scott Jacobson, Werner Rissiek Intel Corporation Stephen Peters*, Arpad Muranyi*, Frank Kern, (& formerly NCR) Will Hobbs, Prakash Radhakrishnan, Mohammed Hawana, Martin Chang, Dave Moxley, Tim Schreyer, Lyndell Asbenson* LSI Logic (Symbios Logic) Larry Barnes Mentor Graphics (Zeelan, Bob Ross*, George Opsahl, Mark Noneman, Interconnectix, etc.) Tom Dagostino, Karine Loudet, Jean Oudinot, Manuel De Almeida, Stephane Rousseau, Neven Orhanovic*, Mohamed Mahmoud, Kevin Cohan Mitsubishi Tam Cao Motorola (Ron Werner) National Semiconductor Cheng-Yang Kao, John Goldie, Ikchang Song, Milt Schwartz* North East Systems Associates Edward Sayre, Kathy Breda, Michael Baxter, (NESA) Jon Green, Jinhua Chen NEC (Hiroshi Matsumoto) Quantic EMC (Mike Ventham) Texas Instruments Thomas Fisher, Harvey Stiegler, Vincent Chang, Jean-Claude Perrin, Peter Forstner Thomson-CSF Jean-Marc Claveau, Laurent Duzaic, Saverio Lerose, Benoit Meyniel, Jean Lefebvre Viewlogic Jon Powell, Chris Rokusek, Guy de Burgh, Gary Mandel VeriBest Ian Dodd, David Weins, Ian Gabbitas VLSI Technology D.C. Sessions Zuken-Redac (John Berrie) OTHER PARTICIPANTS IN 1998: 3Com Steve Miller 3Dfx Interactive Ken Wu A.T.Sinker Tony Sinker Actel Eric Tardif, Emmonvelle Gaudin Aerospatiale Lionel Dreux, Claude Huet Alcatel (Bell, Espace, etc.) John Fitzpatrick, W. Temmerman, Laure Bessettes, Jean-Claude Pourtau, Daniel Peron ALS Design Yves Mouquet Ansoft Eric Bogatin Apple Fred Floresca, Danny Itani Apteq Design Systems Dan FitzPatrick Atmel Ali Baktashian Avanti Nik Bannov* CERN Olivier Clere, Jean-Michel Sainson, Rudi Zurbroken Corning John Nieznanski Crucial Technology Rathna Reddy DIVA Corp Tieng Nguyen Dynamic Research Corporation Mike Walsh EIA Patti Rusher* EMC Fawn Engelmann, Fabrizio Zanella* ENST, Paris Jean-Jacques Charlot European CAD Standardization Adam Morawiec Intitiative (ECSI) Fairchild Semiconductor Peter LaFlamme Focus Technology John Salzillo, Gary Brophy, Mike Arieta, Jim Skane IBM Richard Steinle, Kevin Jackson, Greg Edlund* InRange Elliot Lipin Intracon Design Ltd. Derek Laidlaw Philips Semiconductor Todd Andersen Rockwell Semiconductor Tim Gilbert Scottish Electronics Robert Easson Manufacturing Center (SEMC) Seagate Vanessa Howard Signal Integrity Software Barry Katz SGS-Thomson Philippe Lefevre Siemens Gerald Bannert, Bernhard Unger, Christian Marot, Miguel Hernandez, Gil Russell SSEI Tom Hawkins Stratus Bruce Heilbrunn, Steve Mango, Lewis Steiner, Karla Eignor, Rich Newell Summit Computer Systems Bob Davis Sun Microsystems Lam Dong, Kevin Ko, Tay Ansari, Ken Weiss Symmetry Andy Hughes Tektronix Nassrin Ghahyasi, Tom Brinkoetter*, Brad Weber*, John Rettig* Teradyne Michael Khusid TranSwitch Bill Todd TRILOGIC Joe Socha Ultratest International Chris O'Connor Xilinx Susan Wu In the list above, attendees at the meeting are indicated by *. Principal members or other active members who have not attended are in parentheses. Participants who no longer are in the organization are in square brackets. Upcoming Meetings: The bridge numbers for future IBIS teleconferences are as follows: Date Bridge Number Reservation # Passcode November 20, 1998 (916) 356-9200 3-241992 5578793 Monday, December 7, 1998 IBIS Summit Meeting - No Teleconference December 18, 1998 (916) 356-9200 3-241993 1195347 All meetings are 8:00 AM to 9:55 AM Pacific Time. We try to have agendas out 7 days before each Open Forum and meeting minutes out within 7 days after. When you call into the meeting, ask for the IBIS Open Forum hosted by Will Hobbs and give the reservation number and passcode. NOTE: "AR" = Action Required. -------------------------------- MINUTES ------------------------------------- INTRODUCTIONS AND MEETING QUORUM Tom Brinkoetter, Brad Weber, and John Rettig joined from Tektronix to discuss the IPA 510 Software Transfer Agreement offer to the EIA IBIS Open Forum. Lyndell Asbenson from Intel joined primarily because of interest in the IPA 510 topic. Mike LaBonte of Cadence is involved in software development for EDA tools which use IBIS models. Greg Edlund joined from IBM. He is a signal integrity engineer involved initially in IBIS library creation and tool investigation. MEMBERSHIP UPDATE AND TREASURER'S REPORT As previously announced, H.A.S. Electronics is now an official EIA IBIS Open Forum Member Bob Ross stated that Cisco Systems is also a full member. REVIEW OF MINUTES AND AR'S No corrections were noted for the September 18, 1998 and October 15, 1998 meeting minutes. The ARs will be discussed during the meeting. MISCELLANY/ANNOUNCEMENTS Bob Ross announced a policy decision regarding listing of names on the participation list above. In the past we have kept names in square brackets, even when the individual has left the company in order to document the total scope of company participation. However, we understand that this may not be what the previous company or the individual wants. So we will remove the name when requested by the previous company, or by the individual or when notified of an address change by the individual. However, we will add back the names in square brackets to the last minutes of the year that are archived so we have a participation record for that year. PRESS AND WEB PAGE UPDATES Bob Ross reported the informative article "IBIS Evolves, Keeping Pace with Signal Integrity Issues: in the October 1998 issue of Printed Circuit Design, pp. 34-37 by Jon Powell and Don Mazur. Also there was mention of IBIS in the cover story article "Right the First Time, Enjoying the Full Measure of Library Management" by Randall Hartgrove, pp. 13-18 and 54. Bob also reported that "Free Utilities at Intusoft Site" in the October 19, 1998 issue of Electrical Engineering Times states that a free IBIS-to-Spice is available from http://www.intusoft.com. The press release also was printed in the November, 1998 issue of Printed Circuit Design on Page 56. Bob reported another article "Interconnectix Launches IBIS Models, Services" in the October 5, 1998 issue of Electrical Engineering Times, pg. 41 by Michael Santarini. Bob noted that a new EIA Web location http://www.eigroup.org is implemented, but the existing links are being maintained. Syed Huq added that the existing links will be kept via aliases, even if the IBIS directories are moved to a new site. Syed did a number of EIA IBIS Home page updates. He added a new Support page for direct email contact to the reflector and IBIS Model Review process. Syed added an Upcoming Events page for IBIS Summit registrations and contact. Also Syed stated that a large number of IBIS home page updates occurred in the roster, logo page and other areas. Bob noted that among the additional updates a link to the free Intusoft IBIS to Spice Free Utility utility under the newly named Free Tools link was added. Also a link to the EIAJ standard modeling group page was added in the Specs page. The link is http://tsc.eiaj.or.jp/tsc/SSC/iopg.htm Bob noted that some pages in Version 1.1 of IMIC are corrupted. However, the document is expected to be fixed soon. NEW MODELS AVAILABLE, LIBRARY UPDATE Matthew Flora reported that an American Microsystems, Inc. link for clock buffers has several IBIS models: http://www.amis.com/tgp Bob Ross reported the revised Atmel page with EPROM buffers: http://www.atmel.com/atmel/products/prod93.htm Motorola ECL/LCX changed to: http://mot2.mot-sps.com/models/bin/logic_ic.html Advanced Micro Devices (AMD) has a library of IBIS models at: http://www.amd.com/products/nvd/tools/fusion/ibis_models.html OPENS FOR NEW ISSUES - Patti Rusher asked Bob to contact Britt Brooks of the Compact Modeling Council regarding BSIM3 Version 3.2 standardization developments. - Bob Ross added BUG33 - Infinite Loop with Decreasing V/I Bad End Voltage - Also, Bob added the proposed golden parser enhancement discussion during the meeting. INTERNATIONAL/EXTERNAL PROGRESS - IEC 62014-1 (IBIS Version 2.1) - Patti Rusher stated that the standard is being distributed and reviewed very quickly. Bob Ross noted that the results of the September 23-25, 1998 IEC meeting in London were discussed in the last minutes. Bob had noted that the ratification of IEC 62014-1 was delayed because the IBIS Version 2.1 document had not been forwarded to the IEC Central Office for distribution. Patti Rusher properly forwarded the document, and it will be sent out for Committee Draft for Vote (CDV) on a fast track basis which should take about a year. Added note later in the meeting: Patti reported that Hajimu Mori has been named as co-chair of WG6 and that two US technical experts have been added: John Keets of SI2 and Jim St. Pierre of NIST. Patti also noted that Tabuchi-san of the Japanese delegation wants the IBIS committee to cooperate with the EIAJ committee regarding further work. Patti stated that the IMIC could fall under IEC TC93 activity working with the IBIS Open Forum or work through JEDEC. (Interaction has begun, as discussed below.) - pr EIAJ ED-5302 Standard for I/O Interface Model for Integrated Circuits (IMIC) - As previously reported, Bob Ross noted that he along with Will Hobbs (past Chair of the EIA IBIS Open Forum) and Stephen Peters (Vice-Chair), both from Intel, and some model and simulator development people from Mentor Graphics had recently met with Dr. Hideki Fukuda, Chair of the EIAJ committee on I/O Model for Integrated Circuits (IMIC). Ed Sayre and the staff at NESA had also had met with Dr. Fukuda. The agendas were to get more information and to investigate whether IBIS and IMIC can and should be merged or linked in some manner. In subsequent conversations, Bob responded to Dr. Fukuda's request to see whether the IBIS and IMIC activities could be merged. Bob's response was that such discussions would occur for Version 4.X IBIS since years of work and much corporate commitment exists for the current Version 3.1 and pending Version 3.2 levels of IBIS. However, to facilitate interaction, Bob asked Stephen Peters and Raj Raghuram to join him to review IMIC with respect to technical and practical concerns. Others are invited to join. This group will serve as a focal point for interaction with the EIAJ committee. Bob noted briefly that there exists several options: Continue as independent activities (with possible translator connections), have weak linkage (such as IBIS calling certain IMIC package and buffer models), or totally merge the documents. - IEC 93/67/NP IBIS and EMC Simulation - Bob Ross reported from a note from Jean-Claude Perrin, task force Chair under WG6. Jean-Claude reported that the task force met on September 22, 1998 and it decided to operate at zero level working on a PNW (Preliminary New Work Item). The first activity is to work on EMC modelization involving power supply emission driven by the internal clock activity of the device. - JC-16.2 Subcommittee: Modeling and Test - Bob Ross noted that the co-located JEDEC JC-16.2 and IBIS Meeting will be discussed below. - IEEE P1537 Electronic Data Format Project (Previously listed as the Standard Component Data Sheet) - Bob Ross noted that Stephen Peters has been following the activity. Stephen confirmed that he will probably not attend the November 11-12, 1998 meeting. IBIS (EAST) USERS GROUP MEETINGS Bob Haller reported on the most recent (November 5, 1998) Accuracy Committee meeting that the main discussion involved the DesignCon99 paper preparation, DesignCon99 booth (discussed later), and review of the constructive feedback on the draft document. Greg Edlund added that tasks include finishing the rough draft (filling in the missing sections), publishing the test design, writing an application note, and providing feedback on the comments. Fabrizio Zanella stated that work has been continuing in several Connector Committee meetings on the Connector BIRD, with the intention of having it ready for the February 1999 DesignCon99 meeting. IBISEAST OCTOBER 15, 1998 SUMMIT FEEDBACK Bob Ross asked for some feedback regarding the IBIS Summit Meeting. Bob Haller and Greg Edlund responded that they felt the presentations were very good and informative. They appreciated the feedback on the draft Accuracy Specification and plan to examine adding VT tables to the documents. They have provided a positive response to the reflector. Bob Haller also noted that they appreciated Will Hobbs' presentation to move forward rapidly and to have the IBIS document keep pace with technology. Bob Ross felt this was a very good meeting but it may have been too packed. As previously noted, there were 10 presentations, an introductory presentation, a tutorial, and five demos. We may not have had as much interactive discussion as in other meetings. As previously noted 50 people from 29 organizations attended. The meeting was supported financially by 7 companies. Kathy Breda of NESA provide the logistics support by coordinated the meeting and free lunch arrangements, collecting and copying the presentations, and handling a lot of other details. Added note: All of the documentation and presentations for the meeting have been uploaded at: http://www.eda.org/pub/ibis/summits/oct98. JEDEC/IBIS DECEMBER 7, 1998 SUMMIT MEETING Bob Ross introduced the JEDEC Meeting scheduled in San Diego, California on Monday, December 7, 1998 from 12 Noon to 5 PM. The meeting will start with a free buffet lunch. It is co-located with the JEDEC meetings to promote interaction with the JEDEC JC-16.2 group on Modeling and Test. Patti Rusher noted that there are few sign-ups to date. Bob mentioned that this is typical since most sign-ups occur at the last minute. Several other people at the meeting indicated plans to attend. Bob invited JEDEC JC-16.2 members to give some general presentations for interactive discussions. Bob also noted that we might be able to discuss some IMIC issues. The JEDEC JC-16.2 meeting will occur on Tuesday morning, December 8, 1998. The IBIS Forum is invited to give a general overview of IBIS, and Stephen Peters will consider doing this presentation. Added note: Contact Patti Rusher (pattir@eia.org) or through the EIA IBIS home page Upcoming Events link to register for either or both the IBIS Summit meeting and any JEDEC meeting. The deadline for JEDEC registration is November 11, 1998. Information has been sent out per the previous AR. DESIGNCON99 FEBRUARY 1, 1999 SUMMIT MEETING Bob Ross summarized that the IBIS Open Forum had accepted the proposal of being an Associate Sponsor of DesignCon99 at the October 15, 1998 IBIS Summit meeting. Among the benefits, DesignCon99 would provide the IBIS Open Forum a meeting room, food and refreshments for the IBIS Summit Meeting on Monday, February 1, 1999 and also provide us a 10 by 10 booth. Bob reported that National Semiconductor will also be a co-sponsor by possibly providing a buffet lunch beyond what DesignCon99 is offering. Milt Schwartz agreed to provide logistical support by helping in sign-up and in collecting and copying presentations. National Semiconductor has sponsored and funded all of the previous meetings. Bob asked, and Patti Rusher responded that EIA has not yet been in contact with DesignCon99 to formalize the contract. Bob noted that he will be confirming with Jon Powell on whether Jon will coordinate the booth activity. Bob also is planning that the booth be used for the Accuracy Committee hardware demo. Bob Haller noted that the Accuracy Committee has arranged for more Hewlett-Packard equipment than at the October 15, 1998 Summit meeting and is planning to use the booth. Bob Haller asked if a CAE vendor could also be in the booth to show simulations that correlate with measurement. Bob Ross stated that we should not provide such a single EDA vendor presentation in order to preserve the IBIS vendor-neutral basis of operation. Instead, IBIS Open Forum member companies may have placards at the booth and provide directions to their booths at the show. Information can be distributed, and IBIS members can meet and participate in the booth to discuss IBIS activities with others. VERSION 3.2 PARSER DEVELOPMENT Bob Ross noted that the preliminary parser for ibischk3 Version 3.2.0 had been distributed, and preliminary Version 3.2.1 with some fixes has just been sent out by Matthew Flora on November 2, 1998. The parser source and Windows executable was sent to the 12 companies funding the project. Bob noted the BIRDs and BUGs fixed in each release: Version 3.2.0: [Add Submodel] and [Submodel] (Birds 48.3, 49.4, 50.3) Relaxation of file name restrictions (Bird46.1) 3-state_ECL model type (BIRD51) BUG25 and BUG30 Version 3.2.1: BUG30 improvements ([Pin Mapping] tests Pending BUG32 (discussed below) Other fixes and wording Bob noted that he used the parser and corrected a mistake in the sample file for dynamic clamps stored as; http://www.eda.org/pub/ibis/samples/ver3.2/dclamptr.ibs Nik Bannov asked if non-member companies can purchase the parser. Bob's response was yes. Furthermore, in response to Nik's question, the purchase of any source code license for any parser such as for ibischk3 applies to ALL releases including FUTURE upgrades. For example all companies who have purchased the Version 3.0 license will get source code parser updates for all subsequent 3.X versions. There is no additional charge for the upgrades. Bob noted that there was some email discussion on the ibischk-bug reflector between Atul Agarwal, Chris Rokusek and Matthew Flora regarding some ibischk3 global variables. Matthew gave some background and will supply agreed upon fixes to Atul where needed. No BUG report is needed for this. Matthew stated who is on the ibischk-bug list. The list was set up originally to facilitate communications among a group dealing with ibischk3 project and technical details. Much of the detailed bug reporting/fixing decisions may not be of general interest. Occasionally some of the BUGs and responses are sent to the IBIS reflector. Bob noted that anyone can join the ibischk-bug list and encourage any individual who has an interest in the ibischk3 project details to contact Matthew Flora (addresses are at the end). While the email list for ibischk3 source code distribution consists of just one contact address for each of the 12 funding members, Matthew is willing to expand the list to include other people within the 12 companies so that they get the code immediately. Contact Matthew if you want to be added to the source code distribution list. VERSION 3.2 RATIFICATION Bob Ross noted that he is planning meetings on Friday, November 20, 1998 and Friday, December 18, 1998 so that we can ratify IBIS Version 3.2 at the December meeting. We have to close some issues, do some more editorial review and generate the documents for a formal vote. Matthew Flora later commented on lack of clarity regarding usage of NA in VT tables - per some recent reflector email. Bob felt this could be dealt with as an editorial fix on the document in preparation for ratification (versus generating a BIRD). Bob indicated that he may upload a new unofficial IBIS document ver3_2c.ibs per official ratification of the BIRDs to be discussed later. Added note: ver3_2c.ibs has been uploaded under http://www.eda.org/pub/ibis/wip/ver3_2.c Bob noted that the editing committee BNF AR remains. AR - Bob Ross generate and post a BNF for IBIS Version 3.0 (an IBIS Version 3.0 ratification AR). TEKTRONIX IPA 510 SOFTWARE DISTRIBUTION PROPOSAL Brad Weber and other Tektronix people summarized the background of a proposal to transfer the Tektronix IPA 510 software to the EIA IBIS Open Forum. Tektronix has discontinued support for IPA 510 product for business reasons. However, Tektronix would still like it to be supported because it is still useful for promoting hardware sales. The IPA 510 is used to extract model information from the results of TDR measurements. The associated hardware system is still being sold. Mentor Graphics suggested that Tektronix contact the IBIS Open Forum since the product has been used for IBIS model parameter extraction. Syed Huq reported that he used the software to get package model and C_comp information as well as to extract VT tables. Tektronix wants the IPA 510 software to be maintained and upgraded. In response to some discussions, Tektronix generated a Software Transfer Agreement for review by EIA, the contracting body, on behalf of the IBIS Open Forum. Patti Rusher reported that the EIA legal department had reviewed the document and found it acceptable. Bob Ross summarized the key points of the agreement (some of the formal language is not included below): Tektronix assigns free of charge all rights, title, and interest in the IPA 510 software to the IBIS Open Forum, subject to a royalty-free perpetual license to Tektronix to make, use, sell, license, and generate derivative works. The software is delivered as is. Legal disclaimers are included. The IBIS Open Forum agrees to maintain and support the IPA 510 software and make available executable copies without cost. The IBIS Open Forum agrees to ONLY provide source code to users who are willing to provide back to the IBIS Open Forum any source code enhancements. Patti Rusher reported that the EIA legal department had reviewed the document and found it acceptable. A general discussion then took place. Most of the points are captured below. Several people endorsed the software. Syed reported that the software was in good shape and "bug free". Fabrizio Zanella and Raj Raghuram questioned further why Tektronix was doing this and how this relates to IBIS. The Tektronix people elaborated that for business reasons Tektronix could not provide further support. Others stated that it could be used for model parameter extraction. Existing and future customers of their hardware product may need to do IPA 510 software upgrades. Bob was most concerned about what the expectations were regarding source code distribution. The Tektronix people had in mind a GNU type license moderated by a "gate-keeper" who would maintain the software and make upgrades. Bob validated that Tektronix expected more than just a software "shrink wrap" license distribution for just agreeing to the terms, but without provisions for software upgrades. A number of "what if" scenarios were discussed. While the executables are useful as is, they are configured only for Windows 95. The output syntax follows the PSpice format. The product manual is included in the executable softwares. Bob asked, and Tektronix responded that they would deliver the executable without the license plug ("dongle"). So even existing users would have added flexibility on where to use the software. The general consensus at the meeting was to move forward. There did not appear to be any problems regarding direct distribution of the executable code from a Web link. However, more investigation is needed regarding how to handle source code distribution. Bob proposed that Patti and Bob work with the EIA legal staff to generate an amended Software Transfer Agreement for the purposes of transferring only the IPA 510 executable. This can be accomplished rapidly and mostly involves deleting the source code distribution paragraph of the existing Agreement. AR - Bob Ross and Patti Rusher generate a revised Agreement to transfer only the IPA 510 executable code to the IBIS Open Forum. This could be approved at the next meeting. Patti suggested further work is needed to document more clearly the expectations and terms for source code transfer. Bob suggested he, Syed, and Patti work on such details on how the IBIS Open Forum would actually manage the source code. The general description of these details would be added to a DIFFERENT Software Transfer Agreement for the source code. This Agreement would then be sent back to Tektronix. AR - Bob Ross, Syed Huq, and Patti Rusher work on details for a Software Transfer Agreement for the Source code. COOKBOOK STATUS (Not Discussed) IBIS MODEL REVIEW COMMITTEE DISCUSSION Bob Ross noted briefly that Matthew Flora has distributed IBIS models from Motorola, CERN, Galileo for review. Bob also stated that he and probably others have been too busy to respond yet. Bob does plan to respond shortly. (Matthew Flora is the contact person with contact information listed below and with the new IBIS Support link from the EIA IBIS home page noted above. The existing AR remains in effect: AR - Matthew Flora issue to the IBIS reflector a short write-up on the IBIS Model Review Committee. BIRD54 - Package Model Corrections (VOTE) Bob Ross briefly noted that BIRD54 was issued to correct an unintended mistake in the IBIS Version 3.1 document. IBIS Version 3.1 supports uncoupled, cascaded transmission line sections in the package model description, but one section implied that the existing Version 2.1 Matrix format was still required. The release ibischk3, version 3.1.0 parser supports this mistake per compliance with the document. BIRD54 modifies some tables and notes to clarify when the Matrix format is not required. BIRD54 was approved by unanimous vote. BUG32 - Package Model Lumped and Distributed Syntax Not Correct Bob Ross classified BUG32 as Severe and High as a result of BIRD54 approval. It is Closed pending check out as a result of it already being fixed in the distributed preliminary ibischk3 version 3.2.1. [Done] BIRD55 - [Model Spec] Vmeas Addition Bob Ross introduced BUG55 by noting that the Vmeas value may differ for some technologies such as PECL with min and max column [Model] tables. Arpad Muranyi questioned the meaning of min and max columns, and Bob responded that within the [Model] keyword, most (except for C_comp) typ-min-max columns are to be used together to define the typical, slow-weak, and fast-strong corners. In all cases the min column for the various supply voltages are also the numerically lowest magnitude values. Similarly, the max column for the various supply voltages are for the numerically largest magnitude values. With PECL technology, the min and max column supply values can vary in a manner which causes a currently defined fixed Vmeas point to not be what is intended (or even out of operating range) for min and max column model simulation. CMOS technology specified as a percentage of Vcc would have a similar problem. The proposal is to modify the existing [Model Spec] keyword to include the Vmeas subparameter. The keyword already supports typ-min-max column entries for specification data. Even though the general consensus was in support of BIRD55, not enough time remained to conclude the discussion and vote on BIRD55. The discussion will be continued, and a vote is scheduled on BIRD55 at the next meeting. Todd Westerhoff noted that other parameters for detailed flight time specification might be needed. SERIES ELEMENTS RESTRICTION (No discussion) 100 POINT BIRD? (Not discussion) EIAJ IMIC TECHNICAL DISCUSSION Since little time remained, Bob Ross suggested technical discussion of IMIC could be added as a topic to the IBIS Summit meeting on December 7, 1998. BUG31 - Error for [Pulldown] Decreasing Current Should be Warning (No discussion) BUG33 - Infinite Loop with Decreasing V/I Bad End Voltage (New Item) Bob noted briefly that Matthew Flora discovered a hang condition and knows how to fix the problem. Bob classified BUG33 as Severe, High, and Open. Matthew should report the fix to Atul Agarwal. PROPOSED GOLDEN PARSER ENHANCEMENTS (New Item) As a new item Matthew Flora indicated that there were some enhancements needed to ibischk3 to catch some more mistakes IBIS model developers typically make. Bob Ross stated that the main priority is to finalize ibischk3 Version 3.2.x for compliance with the pending IBIS Version 3.2. Further enhancements are valuable, but could be deferred to a later ibischk3 release after parser and specification ratification. The exact set of proposed enhancements would eventually be documented and reviewed through the BUG document process. NEXT MEETING: The next meeting will be on Friday, November 20, 1998 from 8:00 AM to 10:00 AM. A vote on BIRD55 is scheduled. ============================================================================== NOTES IBIS CHAIR: Bob Ross (503) 685-0732, Fax (503) 685-4897 bob_ross@mentorg.com Modeling Engineer, Interconnectix BU of Mentor Graphics 8005 S.W. Boeckman Road, Wilsonville, OR 97070 VICE CHAIR: Stephen Peters (503) 264-4108, Fax: (503) 264-4515 sjpeters@ichips.intel.com Senior Hardware Engineer, Intel Corporation M/S JF1-56 2111 NE 25th Ave. Hillsboro, Oregon 97124-5961 SECRETARY: Matthew Flora (425) 869-2320, Fax: (425) 881-1008 mbflora@hyperlynx.com Senior Engineer, HyperLynx, Inc. 17641 NE 67th Court Redmond, WA 98052 LIBRARIAN: Jon Powell (805) 988-8250, Fax: (805) 988-8259 jonp@qdt.com Senior Scientist, Viewlogic Systems(formerly Quad Design) 1385 Del Norte Rd., Camarillo, CA 93010 This meeting was conducted in accordance with the EIA Legal Guides and EIA Manual of Organization and Procedure. The following e-mail addresses are used: ibis-request@eda.org To join, change, or drop from either the IBIS Open Forum Reflector (ibis@eda.org), the IBIS Users' Group Reflector (ibis-users@eda.org) or both. State your request. ibis-info@eda.org To obtain general information about IBIS, to ask specific questions for individual response, and to inquire about joining the EIA-IBIS Open Forum as a full Member. ibis@eda.org To send a message to the general IBIS Open Forum Reflector. This is used mostly for IBIS Standardization business and future IBIS technical enhancements. Job posting information is not permitted. ibis-users@eda.org To send a message to the IBIS Users' Group Reflector. This is used mostly for IBIS clarification, current modeling issues, and general user concerns. Job posting information is not permitted. ibischk-bug@eda.org To report ibischk2 parser bugs. The Bug Report Form Resides on eda.org in /pub/ibis/bugs/ibischk/bugform.txt along with reported bugs. To report s2ibis, s2ibis2 and s2iplt bugs, use the Bug Report Forms which reside under eda.org in /pub/ibis/bugs/s2ibis/bugs2i.txt, /pub/ibis/bugs/s2ibis2/bugs2i2.txt, & /pub/ibis/bugs/s2iplt/bugsplt.txt respectively. Information on IBIS technical contents, IBIS participants, and actual IBIS models are available on the IBIS Home page found by selecting the Electronic Information Group under: http://www.eia.org Check the pub/ibis directory on eda.org for more information on previous discussions and results. You can get on via FTP anonymous. ==============================================================================