Subject: ibischk3 ver 3.2.8 and Open_drain
From: Takanobu Ura (t-ura@pb.jp.nec.com)
Date: Wed Jan 09 2002 - 21:18:37 PST
I have two question.
a/ When POWERCLamp/GNDClamp is indicated to the IBIS file of Open_drain Buffer,
why is it that an error is displayed?
ERROR - Model NOD: The [Rising Waveform]
with [R_fixture]=50 Ohms and [V_fixture]=3.3V
has TYP column DC endpoints of 1.15V and 3.30v, but
an equivalent load applied to the model's I-V tables yields
different voltages ( 0.61V and 1.15V),
a difference of 87.39% and 187.07%, respectively.
b/ Is it bad if the table of POWERClamp/GNDClamp exists in the IBIS file
of Open_drain Buffer?
- T.ura
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