Re: [SI-LIST] : Best type of models, edge rates & load

Rachild Chen (rachel.chen@huawei.com.cn)
Sat, 31 Jul 1999 10:05:37 +0800

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Scott,

Which device's rising time is 1~2ps?How can you simulate by Hspice?How about the
W-element work in this case?

Rachild Chen

Scott McMorrow wrote:

> Roy,
>
> Roy Leventhal wrote:
>
> >
> >
> > But, I would guess that the 20% to 80% IBIS convention was chosen to fit in a
> > more linear range of the I/O characteristics. I'm not sure that the choice has
> > been a good one.
> >
> > Best Regards,
> >
> > Roy
> >
>
> The 20% to 80% convention of IBIS is as good as any for getting
> in the rough ballpark. However, since version 2.1 Ibis has
> allowed the use of rising and falling waveform tables. One may
> replicate the output edge response using this construct to any
> desired degree of accuracy. Mine are often within 1 or 2 ps
> of Hspice simulations.
>
> regards,
>
> scott
>
> --
> Scott McMorrow
> Principal Engineer
> SiQual, Signal Quality Engineering
> 18735 SW Boones Ferry Road
> Tualatin, OR 97062-3090
> (503) 885-1231
> http://www.siqual.com
>
> ------------------------------------------------------------------------
>
> Scott McMorrow <scott@vasthorizons.com>
> Principal Engineer
> SiQual, Signal Quality Engineering
>
> Scott McMorrow
> Principal Engineer <scott@vasthorizons.com>
> SiQual, Signal Quality Engineering
> 18735 SW Boones Ferry Road Work: 503-708-4320
> Tualatin
> OR
> 97062-3090
> USA
> asdfsdaf
> Additional Information:
> Last Name McMorrow
> First Name Scott
> Version 2.1

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