[SI-LIST] Re: About Hspice warning
- From: Tracy Barclay <Tracy.Barclay@xxxxxxxxxxxx>
- To: fangod <fangod@xxxxxxx>
- Date: Mon, 23 Mar 2009 08:26:15 -0700
Hi Fangod,
It sounds like you are using a geometric U-element model (level=3, elev=1).
There are recommended ranges for the dimensions you can specify for this model.
Any parameter specified outside the minimum and maximum for each geometric
parameter will give you a warning. See the HSPICE Signal Integrity User Guide,
chapter 5, table 35 Recommended Ranges for more information.
Tracy Barclay
CAE
Synopsys, Inc.
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
Behalf Of fangod
Sent: Saturday, March 21, 2009 6:56
To: si-list
Subject: [SI-LIST] About Hspice warning
Dear all:
when i follow the example of Simulating Circuits with Signetics Drivers<
HSPICE User Guide Signal Integrity, version B-2008.09.pdf>,i found a warning
like this: **warning** The model 0:ustrip is out of valid range.
and **warning** conductance of 0. on node 0:tlout2
iter= 1.
i check my list,and i'm sure it is the same as the example on HSPICE User
Guide ,who konws the reason?
and how to deal with the warning,please tell me,thanks!
fangod
2009-03-21
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