Re: JEDEC Gauntlet

Kellie Wrote:

> Hi all,
>
> At 02:34 PM 2/12/99 -0700, D. C. Sessions wrote:
> >I've been hinting for a while that JEDEC had a standard in
> >the queue that couldn't be modelled by IBIS 3.2 -- now I
> >can point y'all to it.
> >
> >http://www.jedec.org/download/freeStd/jedec/jesd67.pdf
> >
> >The floor is open for suggestions.
>
> It looks to me like "model selector" will handle everything
> except "Method 1" analog impedance control through an external
> resistor. Where Zout = N times Rexternal. We could certainly
> add a keyword to handle this.
>
> Best wishes...
> Kellee
>

The Method 1 output impedance control could also be handled by
[Model Selector] as well. Just create several different output models,
each assuming some selected output impedence. I don't think that you
would have to make very many models to cover a useful range.

Anyways, my $.02 worth.

   regards,
   Stephen
Received on Tue Feb 16 12:51:39 1999