Re: [SI-LIST] : Bad IBIS models!

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From: Bob Perlman (bobperl@best.com)
Date: Wed Mar 15 2000 - 13:33:40 PST


Kim -

<on-target criticism of vendor-supplied IBIS models deleted>

Let me add one item to your things-that-drive-me-crazy list: IBIS
models in which the min/typ/max data sets are virtually the same,
leading me to believe that the vendor either (1) has unbelievably
good process control or (2) has failed to factor in the effects of
best/worst case process, and maybe voltage and temperature, too.
And it's hardly ever (1).

Bob Perlman

===========
Bob Perlman
Cambrian Design Works
Digital design and signal integrity consulting
http://www.best.com/~bobperl/cdw.htm

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