Re: [SI-LIST] : IBIS model (Package parasitics)

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From: Kim Helliwell (khelliwe@acuson.com)
Date: Fri Dec 15 2000 - 16:03:55 PST


henry_lee2@agilent.com wrote:
>
> Hi
>
> In regard to IBIS models, it seems the recommendation is to remove the
> parasitics of the package during simulation and include it in the
> model file itself. I supposed an alternative would be to leave
> it in during simulation and set the parasitics as zero in the
> model file. Can someone please clarify the differences, if any,
> between these two methods. Thanks in advance
>
> -Henry Lee
>
>
>
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You can, of course, do it either way. The advantage of separating
the two is that you can use the same buffer models in different
packages; otherwise, you'll have to generate separate buffer models
for each package you use, and potentially for each pin of the package
to account for all the parasitics.

-- 
Kim Helliwell
Senior CAE Engineer
Acuson Corporation
Phone: 650 694 5030  FAX: 650 943 7260

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