[SI-LIST] Re: hspice question - urgent
- From: Bill.Cohen@xxxxxxxxxxxxxxxx
- To: srinath_bk@xxxxxx
- Date: Fri, 11 Jan 2002 14:47:25 -0500
Srinath,
Binning based on W/L values is accomplished with WMIN,WMAX,LMIN,LMAX
values. When defining a transistor model include these variables (e.g. lmin
=.5u)
and it will choose the model based on the width. Use a qualifier for the
model name
e.g.
.model Pmod.1
lmin=.5 lmax=1
.model Pmod.2
lmin=1 lmax=2
etc.
--------------------------------------------------------------
| Bill Cohen
| Toshiba America Electronic Components, Circuit Design Group
| email: wcohen@xxxxxxxx
| office: (508) 486-1031 fax: (508) 481-8828
--------------------------------------------------------------
Srinath B K
<srinath_bk@xxxxxx To: si-list@xxxxxxxxxxxxx
> cc: bksr@xxxxxxxxxxxx, "Gupta,
Vinod" <v-gupta@xxxxxx>, "Gupta,
Sent by: Vinod" <v-gupta2@xxxxxx>
si-list-bounce@fre Subject: [SI-LIST] hspice
question - urgent
elists.org
01/11/02 09:58 AM
Please respond to
srinath_bk
Hi
Background :
I am trying to compare hspice vs our internal spice .
I have 3 different MOSFET models for 3 different ranges of mosfet widths.
However, the netlist (very large) uses only one transistor model.
In our internal spice, the correct model is chosen automatically.
It would be a tedious process for me to hack the netlist to change
the models for various transistors.
Question :
Is there a feature in hspice whereby I can define the conditional
binning of models, so that hspice will select the appropriate
model based on the width?
Thanks in advance
Srinath
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