[IBIS-Users] 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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