[SI-LIST] Re: minimum and maximum tracelength
- From: steve weir <weirsi@xxxxxxxxxx>
- To: chand_374@xxxxxxxxx,scott@xxxxxxxxxxxxx,hifrekwency@xxxxxxxxxxx
- Date: Wed, 06 Sep 2006 01:41:48 -0700
Chand, good flight time control does not mean=20
good SI. When we talk about SI we usually mean=20
the quality of the waveshape. Both adequate=20
signal integrity, and timing control are needed for reliable signaling
Steve.
At 12:01 AM 9/6/2006, chand basha wrote:
>Scott
> i feel both are same ? ?
> you need to meet timing requirement meance=20
> indirectly you are taking care of SI right ?
>
> chand
>
>
>Scott McMorrow <scott@xxxxxxxxxxxxx> wrote:
> Vignesh
>
>Minimum limits on trace length are usually for the purpose of timing
>closure, and not SI.
>
>regards,
>
>Scott
>
>Scott McMorrow
>Teraspeed Consulting Group LLC
>121 North River Drive
>Narragansett, RI 02882
>(401) 284-1827 Business
>(401) 284-1840 Fax
>
>http://www.teraspeed.com
>
>Teraspeed=AE is the registered service mark of
>Teraspeed Consulting Group LLC
>
>
>
>Vignesh Upadhyay wrote:
> > Hi All,
> >
> > Some of the chip manufacturers specify=20
> minimum and maximum tracelengths for certain interfaces like DDR, GMII=
etc.,
> > Is this minimum tracelenght have any relationship with SI ?
> >
> > Thanks
> > Paul
> >
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