Chetana, Could you please elaborate a little - what exactly are you trying to do? Cheers, Abdulrahman Rafiq Cisco Systems (805) 708-1976 (c) arafiq@cisco.com On Jan 31, 2008 10:47 AM, Lynne D. Green <lgreen22@mindspring.com> wrote: > Not sure if this has come up in this thread, but Rising and Falling table > interpretation CHANGED. While IBIS is generally back-compatible (except for > 1.1), this change was made to clarify an original intent. > > In 3.2, the Rising and Falling tables could start with different reference > times. Example: Rising tables at 0nsec and Falling at 50nsec. > > In 4.x, both Rising and Falling tables have the SAME reference time > (normally 0nsec). This means that in the example, Rising transitions would > start immediately with the trigger, while Falling transitions would have a > 50nsec delay before the output transition could begin. > > Best regards, > Lynne > > > "IBIS training when you need it, where you need it." > > Dr. Lynne Green > Green Streak Programs > http://www.greenstreakprograms.com > 425-788-0412 > lgreen22@mindspring.com > > ------------------------------ > *From:* owner-ibis-users@eda.org [mailto:owner-ibis-users@eda.org] *On > Behalf Of *Lenski, Eckhard (NSN - DE/Munich) > *Sent:* Thursday, January 31, 2008 4:40 AM > *To:* ext Chetana Raghuwanshi; Shrikant G Kadadevar > *Cc:* ibis@eda.org; ibis-users@eda.org > *Subject:* [IBIS-Users] AW: [IBIS] How do I upgrade the IBIS version ? > > Hello Chetana, > > what might help you, is a presentation from Bob Ross > > > http://www.vhdl.org/pub/ibis/summits/sep07b/ross_4_2_tree.txt > > > where you can see all ibis keywords/parameters and an information ,with > which ibis version they appeared > > > > Anyhow, you have to be aware of that just refering to an ibis version > might not help you, because some ibis parameters are optional. > > E.G. models with rising falling waveforms > > this keyword appeared with ibis version 2.1 but is optional > > > models with over-under-shoot > > the corresponding keyword [Model Spec] appeared with ibis version 3.2, > but is not required. > > > So I think, you might asked your customer directly, which > parameters/keywords he needs for his ibis model > > > regards > Eckhard > > > Mit freundlichen Grüßen / Best regards / Cordiali saluti / ystävällisin > terveisin > Eckhard Lenski > > Nokia Siemens Networks GmbH & Co. KG > > COO RA RD BTS HW GERAN BTS&NB&CP Dev SDE > > CAE libraries and models > Balanstr. 59 > 81541 München > Germany > phone : +49 89 636 79002 > fax : +49 89 636 78895 > email: eckhard.lenski@nsn.com > > Nokia Siemens Networks GmbH & Co. KG > > Sitz der Gesellschaft: München / Registered office: Munich > > Registergericht: München / Commercial registry: Munich, HRA 88537 > > WEEE-Reg.-Nr.: DE 52984304 > > Persönlich haftende Gesellschafterin / General Partner: Nokia Siemens > Networks Management GmbH > > Geschäftsleitung / Board of Directors: Lydia Sommer, Olaf Horsthemke > > Vorsitzender des Aufsichtsrats / Chairman of supervisory board: Lauri > Kivinen > > Sitz der Gesellschaft: München / Registered office: Munich > > Registergericht: München / Commercial registry: Munich, HRB 163416 > > > ------------------------------ > *Von:* owner-ibis@eda.org [mailto:owner-ibis@eda.org] *Im Auftrag von *ext > Chetana Raghuwanshi > *Gesendet:* Donnerstag, 31. Januar 2008 13:09 > *An:* Shrikant G Kadadevar > *Cc:* ibis@eda.org; ibis-users@eda.org > *Betreff:* Re: [IBIS] How do I upgrade the IBIS version ? > > Hi, > > I am not aware if installing S2IBIS3 will enable me to generate the 3.2version IBIS models. Is that so ? > > Currently we use a script to generate IBIS models which are compliant with > 2.0 format. > > There is a request from one of the customers that they want 3.2 format > IBIS models. > > I would like to know how do I upgrade to 3.2 version ? > > Is there a document which would help me do it ? > > Best Regards > > Chetana > > ++++++++++++++++++++++++++++++++++++++++++++ > Chetana Raghuwanshi > CTO / Process & Library Technology > NXP Semiconductors India > NXP Block C, 4th Floor > MFAR Manyata Tech Park > Nagavara, Bangalore-560045 > Tel : +91 80 4024 7072 > ++++++++++++++++++++++++++++++++++++++++++++ > [image: Inactive hide details for "Shrikant G Kadadevar" > <Shrikant.G.Kadadevar@nsc.com>]"Shrikant G Kadadevar" < > Shrikant.G.Kadadevar@nsc.com> > > > > *"Shrikant G Kadadevar" <Shrikant.G.Kadadevar@nsc.com>* > > 2008-01-31 05:11 PM > > > To > > "Chetana Raghuwanshi" <chetana.raghuwanshi@nxp.com> > cc > > ibis-users@server.eda.org, ibis@server.eda.org > Subject > > Re: [IBIS] How do I upgrade the IBIS version ? > Hi, > > If you are asking on to how to install the S2IBIS3 too then plz refer > the below > > 1. Download the S2IBIS3 source code from the link below. > http://www.ece.ncsu.edu/erl/ibis/s2ibis3/s2ibis3.htm > 2. Make sure JAVA is installed in the Linux/Unix system. Please check > the specific version below. > 3. Follow the procedure given below to setup the tool. > Make sure u simulate all the files in order. > 4. First compiling use JAVAC file.java > 5. Also attached is the read me file for further help. > > > *-----------------------------------------------------------------------------------------------------------------------------------------* > *Requirements: * To run s2ibis3, Java2, version 1.4.0 must be installed. > A minimum of Java 2 Runtime Environment(JRE), version 1.4.x. > must be installed to be able to run s2ibis3. Users could also > install Java 2 Standard Development Kit (SDK) version 1.4.x. > This is preferred over the JRE as the user could modify a java > file and recompile the code. Java JRE or SDK could be downloaded > free from http://java.sun.com > s2ibis3 assumes that the spice engines are set in the path > variables and ready for use. > > This version has been tested on HSpice ver 2001.2 > > *Compiling the Code :* If the code has to be compiled, it must be > compiled in the > following order -s2iHeader.java, s2iutil.java, > s2ispice.java, s2ianalyz.java, s2iParser.java and > s2ibis3.java. If this order is not followed, compilation > error could be experienced. > > *Running S2ibis3 * : sun/linux/unix > -To run s2ibis3, type the following on the command line: > % s2ibis3.csh -s2ibis3 buffer.s2i > where buffer.s2i is the s2i command file as discussed in > the s2ibis3.txt > -If there is a 'permission denied' error when running the > .csh file, change permissions by doing > % chmod 744 s2ibis3.csh > -If it is desired, s2ibis3 could be run from a different > directory from the installation directory by using the > '-root' switch with s2ibis3.csh as this example suggest: > % s2ibis3 -root ../../s2i_install_dir -s2ibis3 buffer.s2i > > *------------------------------------------------------------------------------------------------------------------------------------------------* > > Regards, > Shrikant GK > NSC, Bangalore. > > > Chetana Raghuwanshi wrote: > > > > Hello All, > > > > I am using 2.0 version of IBIS, for generating IBIS models of IO cells. > > > > I need to upgrade the IBIS version to 3.2. > > > > Could you please tell me what do I need to do and how can I do it ? > > > > Best Regards > > Chetana > > > > > > ++++++++++++++++++++++++++++++++++++++++++++ > > Chetana Raghuwanshi > > CTO / Process & Library Technology > > NXP Semiconductors India > > NXP Block C, 4th Floor > > MFAR Manyata Tech Park > > Nagavara, Bangalore-560045 > > Tel : +91 80 4024 7072 > > ++++++++++++++++++++++++++++++++++++++++++++ > > -- > > This message has been scanned for viruses and > > dangerous content by *MailScanner* <http://www.mailscanner.info/>, and > is > > believed to be clean. > > > This README file describes the v1.1 distribution of s2ibis3. > > > This directory contains the s2ibis3 Java application. > > This utilitiy has been tested for Sun Solaris (5.7), Linux 2.4.18 and > Windows XP. > > To install S2IBIS3, simply unpack the zip file. This distribution > contains: > > README this file. > s2ibis3.csh Run this file to execute s2ibis3 for linux or unix > s2ibis3.bat Run this file to execute s2ibis3 for Windows > s2ibis3.txt An explanation of the command structure for the s2i file and > the > key features and differences of s2ibis3 as compared with s2ibis2. > curves.txt An explaination of how the various curves are obtained in > s2ibis3. > > modification_v1.1.txt An explanation of the changes made to s2ibis3 in the > latest revision (v1.1). > > java directory with java source code and class files. > The source code can be modified and recompiled using > Java sdk 1.4.0. > The source code consists of > 1)s2iHeader.java > 2)s2iutil.java > 3)s2ispice.java > 4)s2ianalyz.java > 5)s2iParser.java > 6)s2ibis3.java > > example example directory with 4 sub-dirs ex1, ex2, ex3 and ex4. > > ex1 Directory with a sample buffer.s2i file along with a buffer.ibs > file. it also has the buffer.sp, spectre.mod and hspice.mod files > to be able to run the example properly. > > ex2 Repeat of ex1 run with Hspice with a slightly better model. > > ex3 Directory with similar files as above and an extra netlist file > that has the netlist of the parallel_mosfet. This is needed for > demonstrating the working of the [Series MOSFET] keyword. > > ex4 Directory with tri-state drivers show how multiple Vdd's can be > used using the [Pin Map] keyword. This example uses HSpice. > > --------------------------------------------------------------------------------- > > Requirements: To run s2ibis3, Java2, version 1.4.0 must be installed. > A minimum of Java 2 Runtime Environment(JRE), version 1.4.x. > must be installed to be able to run s2ibis3. Users could also > install Java 2 Standard Development Kit (SDK) version 1.4.x. > This is preferred over the JRE as the user could modify a java > file and recompile the code. Java JRE or SDK could be downloaded > free from http://java.sun.com > s2ibis3 assumes that the spice engines are set in the path > variables and ready for use. > > This version has been tested on HSpice ver 2001.2 > > Compiling the Code : If the code has to be compiled, it must be compiled > in the > following order -s2iHeader.java, s2iutil.java, > s2ispice.java, s2ianalyz.java, s2iParser.java and > s2ibis3.java. If this order is not followed, compilation > error could be experienced. > > Running S2ibis3 : sun/linux/unix > -To run s2ibis3, type the following on the command line: > % s2ibis3.csh -s2ibis3 buffer.s2i > where buffer.s2i is the s2i command file as discussed in > the s2ibis3.txt > -If there is a 'permission denied' error when running the > .csh file, change permissions by doing > % chmod 744 s2ibis3.csh > -If it is desired, s2ibis3 could be run from a different > directory from the installation directory by using the > '-root' switch with s2ibis3.csh as this example suggest: > % s2ibis3 -root ../../s2i_install_dir -s2ibis3 buffer.s2i > > > windows > -most of the instruction for unix apply for windows users as well. > -To run s2ibis3, type the following on the command prompt: > % s2ibis3.bat -s2ibis3 buffer.s2i > -If the path variables are not set for java and the spice engines, > read instructions at http://java.sun.com/j2se/1.4.2/install-windows.html > on how to set path variables for windows. s2ibis3 would not run if paths > have > not been set properly. > [note] % is not needed to be inserted in the command line. > > ----------------------------------------------------------------------------- > Known Problems and Bugs. > - > > ----------------------------------------------------------------------------- > > You are free to use, modify, and redistribute this software. See the > copyright legends contained > in the source code. > > If you have comments, bug reports, or suggestions for features, please > email them to me at: > akvarma@ncsu.edu > February '05 > > > -- > This message has been scanned for viruses and > dangerous content by *MailScanner* <http://www.mailscanner.info/>, and is > believed to be clean. > -- > This message has been scanned for viruses and > dangerous content by *MailScanner* <http://www.mailscanner.info/>, and is > believed to be clean. > > > -- > This message has been scanned for viruses and > dangerous content by *MailScanner* <http://www.mailscanner.info/>, and is > believed to be clean. > -- --------------------------------------------------------- Abdulrahman Rafiq "AR" (805) 708-1976 (c) (021) 7019444 | (408) 228-5633 (h) arafiq@ucsbalum.net -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. -------------------------------------------------------------------- |For help or to subscribe/unsubscribe, e-mail majordomo@eda-stds.org |with the appropriate command message(s) in the body: | | help | subscribe ibis <optional e-mail address, if different> | subscribe ibis-users <optional e-mail address, if different> | unsubscribe ibis <optional e-mail address, if different> | unsubscribe ibis-users <optional e-mail address, if different> | |or e-mail a request to ibis-request@eda-stds.org. | |IBIS reflector archives exist under: | | http://www.eda-stds.org/pub/ibis/email_archive/ Recent | http://www.eda-stds.org/pub/ibis/users_archive/ Recent | http://www.eda-stds.org/pub/ibis/email/ E-mail since 1993Received on Thu Jan 31 22:52:10 2008
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