[SI-LIST] IBIS model ramp option
- From: "John Ellis" <jellis@xxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Thu, 20 Jun 2002 08:19:58 -0400
Hello,
In the HSpice implementation of an output buffer, there is a optional
statement ramp_rwf=0,1,2 and ramp_fwf=0,1,2. Could someone explain the
difference between the settings. When is it appropriate to use 1 or 2
instead of the default? My understanding is that these statements along
with the "tune" statement are used to get the IBIS outputs to match up to
the SPICE based output. Is this correct.
If you receive a buffer with minimal documentation and no spice output to
compare it to, is it proper to use the default value, or should you set the
ramp to 2 and let Hspice defauslt to the highest level supported?
Thanks,
John Ellis
Vice President
Interconnect Technology
TriCN, Inc.
1431 Garalyn Road
Harrisburg, PA 17110
Phone:717-213-9566
Fax: 717-238-0302
email:jellis@xxxxxxxxx
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