Re: Avoiding Double Counting

Syed Huq wrote:
>
> IBISfans:
>
> Got a question about double counting of clamp data(Output models).

[...]

> If this can be done then Model providers who are creating models
> from actual bench measurements, do not have to go thru the pains
> of doing V/I table subtraction. A DC sweep on an enabled output
> structure gives you the combination of the output stage + the clamp
> structures.
>
> It seems that we go thru too much data crunching and Simulators
> simply connect the two tables anyway.
>
> Possible I am missing something very important here. Pls comment.

So how would you handle tristate outputs? The drive is out
of the picture but the clamp is far from negligible.

-- 
D. C. Sessions
dc.sessions@tempe.vlsi.com