Re: Question on BIRD42.1 intent

the inclusion of currents should give you more accurate info on turn on and turn off. It also is necessary for more accurate modelling of ground bounce.

> From owner-ibis@server.vhdl.org Tue May 20 11:53 EDT 1997
> Received-Date: Tue, 20 May 1997 11:53:54 -0400
> To: ibis@vhdl.org
> Subject: Question on BIRD42.1 intent
> From: Stephen Peters <sjpeters@ichips.intel.com>
> Content-Type: text
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>
>
> Hello All:
>
> I've been following the discussion on
> including the power and ground current 'waveforms'
> in the IBIS file, and I have a question. I
> thought (based on the original phone discussion
> at the last IBIS teleconference) that the purpose
> of including the power and ground current info
> was to make it eaiser to model the turnon/turnoff
> charactoristics of a driver -- NOT to enable better
> ground bounce simulations (although I realize that
> this info does help). What, exactly, is the intent
> of including this info? Should the bird include
> some words stating that the power supply waveforms
> may not give a complete picture of ground bounce?
> Should it not say anything? Just wondering.....
>
>
>
> Regards,
> Stephen Peters
> Intel Corp.
>
>
>
 
Received on Tue May 20 09:11:22 1997