RE: [IBIS-Users] RE: Need help with GND_Clamp and POWER_Clamp

From: Lynne D. Green <lgreen22_at_.....>
Date: Wed May 30 2007 - 18:06:15 PDT
Please use s2ibis3.  A number of bugs and algorithm errors were fixed in
that release.
 
If you need help with s2ibis3, please read the documentation on the NCSU
site.  If you need
additional support, please contact Ambrish Varma (cc on this email).
 
Best regards,
Lynne
 
 
"IBIS training when you need it, where you need it."
 
Dr. Lynne Green
Green Streak Programs
http://www.greenstreakprograms.com
425-788-0412
lgreen22@mindspring.com
 
 
  _____  

From: owner-ibis-users@eda.org [mailto:owner-ibis-users@eda.org] On Behalf
Of rrwolff@micron.com
Sent: Wednesday, May 30, 2007 4:08 PM
To: hngo@atrua.com; ibis-users@eda.org
Subject: [IBIS-Users] RE: Need help with GND_Clamp and POWER_Clamp



Sorry, I've never used the s2ibis2 script.  Can anyone else on this list
please help?
 
Thanks,
Randy

  _____  

From: Hung Ngo [mailto:hngo@atrua.com] 
Sent: Wednesday, May 30, 2007 4:27 PM
To: rrwolff; ibis-users
Subject: Need help with GND_Clamp and POWER_Clamp


Hello Randy,

I am a beginner at IBIS.  I downloaded the free tools from IBIS homepage and
try to generate the models for the first time. 

So far so good but the example script
(http://www.vhdl.org/pub/ibis/s2ibis/s2ibis2_v1.1/) does not include
GND_clamp and POWER_clamp. Is there any other scripts or examples you can
tell me so I can complete my IBIS models quickly?



My question to you is:

1/ when I sweep the supply range for GND_clamp from -VDD to +VDD, should I
tie the Pad to VSS or to VDD?
1/ when I sweep the supply range for POWER_clamp from -VDD to 0V, should I
tie the Pad to VSS or to VDD?

Your help is greatly appreciated. 
Thank you Randy.

Hung Ngo
Atrua Technologies
1696 Dell Avenue
Campbell, CA 95008
(408) 370-8015




  


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