Subject: [IBIS-Users] Re: [IBIS] Ibis generation problem
From: Wil Ngan (wngan@idt.com)
Date: Mon Apr 14 2003 - 18:20:51 PDT
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..
>
hi Syed, I'm translating only one buffer, it's an output circuit.
>
> Next, you should be using s2ibis2_fix version. Your data shows you are
> using an older version..
>
My workstation is on a sun solaris system, I suppose the new
program/binaries
are posted on the eda.org website?
Wil
>
> 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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