Re: [SI-LIST] : Anyone doing SI simulations for Pentium II boards?

jonp@pacbell.net
Fri, 10 Sep 1999 09:35:57 -0700

>>A couple of cautions...
>>* I do not see any signal to signal coupling in this model. Signal
to
>>signal coupling (up to 5th order effects) is valuable for crosstalk
>>concerns.

Actually, some of the INTEL cartridge models I have seen do include
coupling in a rather clever way, they have different interconnect models
for EVEN and ODD mode worst case switching. Now, this doesn't help with
crosstalk but it does a pretty good job of modeling signal delay changes
due to worst case switching patterns (which I think was Intel's primary
concern).

regards,
Jon Powell
Viewlogic Consulting Services

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