Subject: [IBIS] Re: What's the "s2ibis2_fix version"?
From: Syed Huq (shuq@cisco.com)
Date: Tue Apr 15 2003 - 09:05:11 PDT
The _fix version will display 4 digits after the decimal for all V/I
curves.
The older version will display 2 digits.
All the _fix version fixed some bugs as well..
Syed
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>Subject: What's the "s2ibis2_fix version"?
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>Date: Mon, 14 Apr 2003 19:16:39 -0700
>Thread-Topic: [IBIS-Users] Re: [IBIS] Ibis generation problem
>Thread-Index: AcMC7d62nTmSdUF3TIybysokNUAyIwAApJOA
>From: "Eric Hsu" <ehsu@netlogicmicro.com>
>To: "Syed Huq" <shuq@cisco.com>
>Cc: <ibis@eda.org>, <ibis-users@eda.org>, <ibis-info@eda.org>
>
>Hi,
>
>How do I know the version of s2ibis2 is correct or not? From the Syed's
mail, it mention about the log file show the wrong version message, is any
one how do I tell it? Does it suppose to be "s2ibi2 v1.1 --North Carolina
State University"? or "s2ibi2_fix v1.1 --North Carolina State University"?
>
>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: Syed Huq [mailto:shuq@cisco.com]
>Sent: Monday, April 14, 2003 6:15 PM
>To: wngan@idt.com
>Cc: ibis@server.eda.org; ibis-users@server.eda.org;
>ibis-info@server.eda.org
>Subject: [IBIS-Users] Re: [IBIS] Ibis generation problem
>
>
>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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