[SI-LIST] : PCIX MODEL QUESTION!!!

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From: Girish_Singh@Dell.com
Date: Thu Mar 01 2001 - 12:20:26 PST


Hi Everyone Again,
It appears that i didn't ask the right question the first time.
I have a good working Standard PCIX Model.I made it right from the PCIX
spec.
The problem I am seeing is that the Test(Reference) load seems to be too
heavy for the Weak Buffer(Tval(max)Rising/Falling Edge Test Load).The model
works just fine for the Strong buffer with the light load.
I would like to know from the SI community how they determine the max
allowed transmission line length for the Weak buffer?
I cannot measure the Flight times because the Test load is too heavy for the
weak case.The Weak buffer doesn't even reach the Vmeas in order to measure
the Flight time.
Thanks a bunch in advance.

-Girish

Girish K Singh
Simulation Engineer
Signal Integrity Group
Dell Computer Corporation.
(512)-723-6210
E-Mail:Girish_Singh@Dell.com
www.dell.com

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