[SI-LIST] s2ibis2 extreme currents
- From: "Eric Steimle" <steimle@xxxxxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Wed, 16 Jun 2004 09:55:54 -0400
I've been trying for a few weeks to get some decent IBIS models from our
hspice decks. I'm working on a single tristate driver, with 3.3V I/O
and 1.8V core. I finally have something that looks reasonable but when
running it through the golden parser (actually Hyperlynx's Visual IBIS
editor check), I get "Extreme currents present in TYP GND_Clamp VI
Curve" messages. Now I look in the file and I see the extreme currents
start at around 3.7V in the pullup section and around -0.9V in the
GND_CLAMP section. These currents are in the 70A and -90 Amp and
higher ranges respectively
Does anyone have any experience with these kind of results? Am I doing
something wrong or is this something I'm supposed to know to fix
manually? I'm a little new at this model conversion stuff so any advice
would be appreciated.
Thanks.
Eric
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