Subject: [IBIS] waveform fixtures for differential models
From: Mike LaBonte (milabont@cisco.com)
Date: Mon Sep 29 2003 - 13:34:09 PDT
We have encountered IBIS models with only 1 rising and 1 falling waveform,
each with V_fixture set to 1/2 of power voltage. These are for differential
buffers where the termination voltage is effectively the midpoint, so it
seems to make sense. My question is, will all IBIS simulators simulate this
model correctly? Or are there simulators that absolutely require waveforms
with V_fixture at both power and ground levels?
Mike LaBonte
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