Subject: RE: [IBIS] Ibis generation problem
From: Eric Hsu (ehsu@netlogicmicro.com)
Date: Fri May 09 2003 - 18:51:21 PDT
Hi Wil and Syed,
I would like to compile the "s2ibis2" by the *.z file had been downloaded yesterday from the web site( www.eda.org/pub/ibis/s2ibis/s2ibis2_v1.1 ). Unfortunately, I can not get the working s2ibis2 to be able to generate ibis model with my current control file (*.s2i), however, this s2i file can work with my current s2ibis2, which is compiled from my last time about half year ago.
My question is: The *.z files are just downloaded recently for your working case? If true, do you just follow the instruction from the readme file, and then just get "s2ibis2" directly after complete compiling? Or, is there any file need to be modified after I downloaded?
Best Regards,
Eric Hsu
Interface Technologies
NetLogic Microsystems, Inc.
450 National Ave.
Mountain View, CA 94043
650-961-6676 x198
This e-mail contains NetLogic Microsystems, Inc. Confidential information
-----Original Message-----
From: Wil Ngan [mailto:wngan@idt.com]
Sent: Tuesday, April 15, 2003 5:18 PM
To: Syed Huq
Cc: ibis@server.eda.org; ibis-users@server.eda.org;
ibis-info@server.eda.org
Subject: Re: [IBIS] Ibis generation problem
FYI, using the new _fix program I was able to generate the *ibs file.
For a moment there I thought I had to manually parse all the data...
Thanks so much for your help, Syed!
- Wil
** FYI: the s2ibis fix program is located at:
www.eda.org/pub/ibis/s2ibis/s2ibis2_v1.1
There are two *.Z files. Get the one with _fix.
Syed Huq wrote:
> Wil,
>
> Are you translating multiple buffers at the same time ? Try running the
> s2ibis2 only on an Input model or only on an Output model. There is an
> issue of creating too many .spi and .out files..
>
> Next, you should be using s2ibis2_fix version. Your data shows you are
> using an older version..
>
> Syed
>
> >Date: Mon, 14 Apr 2003 16:50:15 -0700
> >From: Wil Ngan <wngan@idt.com>
> >X-Accept-Language: en
> >MIME-Version: 1.0
> >CC: ibis@eda.org, ibis-users@eda.org, ibis-info@eda.org
> >Subject: [IBIS] Ibis generation problem
> >
> >Hi,
> >
> >I'm having problem generating an ibis file, and was wondering
> >if I can get ideas in how to approach this.
> >
> >1) The problem:
> >
> >I get the following error when running spice to ibis:
> >% s2ibis2.11 gold_7xxx.s2i
> >s2ibis2.11_real v1.1 -- North Carolina State University
> >s2ibis2.11_real: Reading input file gold_7xxx..done
> >s2ibis2.11_real: Analyzing component idt7xxx .
> >s2ibis2.11_real: Starting HSpice job with input put7.spi.
> >:
> >etc
> >:
> >s2ibis2.11_real: Starting HSpice job with input y017.spi.
> >s2ibis2.11_real: Starting HSpice job with input z017.spi.
> >s2ibis2.11_real: Opening file gold_7xxx.ibs for writing...Bus error
> >
> >-----
> >
> >2) My attempt at solving this:
> >
> >And so I examine the gold_7xxx .ibs file, and I see the following:
> >:
> >etc
> >:
> >[Pulldown]
> >| voltage I(typ) I(min) I(max)
> >|
> > -3.30 -9.001A -9.160A -8.914A
> > -3.10 -8.255A -8.415A -8.168A
> >:
> >etc
> >:
> > 3.50 0.178A 0.117A 0.241A
> > 3.60 0.179A 0.117A 0.242A
> > 3.70 0.179A
> >
> >(The ibis file ends here, which is far from being complete.)
> >
> >I have examined all the *out files (especially the pdt.out, pdx.out,
> >pdn.out files)
> >in detail and see that all hspice data has been generated and dumped
> >into the
> >*out files with no problem whatsoever. And yet s2ibis is apparently
> >having
> >problem extracting the data from the *out files to place in the *ibs
> >file.
> >
> >Any idea how to approach or solve this problem?
> >Has anyone ever encountered this?
> >Any help or hints would be appreciated. Thanks so much,
> >
> >- Wil
> >IDT sram design
> >(408) 330-1623
> >
> >
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