RE: [IBIS-Users] Dual Pads


Subject: RE: [IBIS-Users] Dual Pads
From: Tom Dagostino (tom@teraspeed.com)
Date: Fri Nov 08 2002 - 16:15:17 PST


Do you mean by dual pads, 2 pins on a package driven by the same internal
driver?

If this is the case the easiest way of modeling this is to model one of the
pins with the model statement and then use a series R of 1 milliOhm to
connect the two pins together.

23 TestcaseA Outputbuffer R L C
24 TestcaseB NC R L C

Series Pin mapping section
23 24

Series R model
model for a 1 milliOhm resistor

[Model] Outputbuffer
Buffer model

Tom Dagostino

Device Modeling Division

Teraspeed Consulting Group LLC

2926 SE Yamhill St.

Portland, OR 97214

(503) 430-1065

tom@teraspeed.com

http://www.teraspeed.com

  -----Original Message-----
  From: owner-ibis-users@server.eda.org
[mailto:owner-ibis-users@server.eda.org]On Behalf Of
arzu.simsek@conexant.com
  Sent: Friday, November 08, 2002 3:48 PM
  To: 'ibis-users@eda.org'; owner-ibis-users@server.eda.org
  Subject: [IBIS-Users] Dual Pads

  Does anyone have experience with dual pads. If yes, how do you simulate
these pads and what is the correct way to put them in IBIS format?

  Thanks and Regards
  Arzu Simsek
  #949 - 483 - 5714

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