RE: [SI-LIST] : receiver jitter

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From: Muranyi, Arpad (arpad.muranyi@intel.com)
Date: Tue Jan 18 2000 - 08:23:07 PST


Chris,

What if someone comes up with a good understanding what the
behavior of the receiver is and comes up with a good description
for that behavior in an IBIS-like behavioral language? I don't
think you can predict what the human mind may do in the future...
So I don't think you can say that "this will be the final nail
in the coffin of behavioral models like ibis".

By the way, since you brought up spelling, it really irritates
the heck out of me when people spell everything all lower (or
upper) case. There is such a thing called shift key on every
modern keyboard. It makes the text much more readable.

Arpad Muranyi
Intel Corporation
================================================================

-----Original Message-----
From: Chris Cheng [mailto:hycheng@3pardata.com]
Sent: Monday, January 17, 2000 4:51 PM
To: si-list@silab.eng.sun.com
Subject: [SI-LIST] : receiver jitter
Importance: High

as core and signal swing getting smaller and smaller, this
problem is getting worst. compound this with source sync
buses where the strobes and data can behave differently
(true differential vs. pseudo differential), i believe
predicting the response of the receiver under different
waveforms input will be as important as simulating
the propagation of signal in the interconnect
environment. this will be the final nail in the coffin for
behavioral models like ibis which is totally incapable of
handling such analysis. i have seen pitiful attempts to
qualitatively describe it in ring back or edge rate
extrapolation but without the ability to simulate the
receiver behavior, those specs are just fancy words with
no meaningful insight into the response of the true
receiver.
can i spell SPICE again.
chris

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