Re: [SI-LIST] : A PCI signal ringback question

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From: Aloke Bhattacharya (aloke.bhattacharya@wipro.com)
Date: Mon Dec 25 2000 - 20:26:12 PST


Hi Su,
 I agree with what John has mentioned- for data (or any PCI signal other than
clock), the waveform is excellent(much better than what I usually get). The
ringback won't create any problem as the PCI clock won't sample the data
during that period.

With regards,
Aloke

Su Ming TAI wrote:

> Dear SI Gurus,
>
> Hi! I'm doing some simulation on the PCI bus and there are some signals
> (Data) having ringback low on the waveforms (see attachment). The ringback
> low has almost reached the Vinl (0.8V) and what will happen if it does go
> above the Vinh (assuming the worst case)?
> Does it indicate a major SI problem here?
> Any comments or explanations would be welcome.
>
> Thanks.
>
> Regards,
> Su Ming TAI
>
>

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