[SI-LIST] Spacing rules for reduction of cross talk
- From: "Kedar P. Apte" <kedar@xxxxxxxxxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Thu, 6 Jan 2005 13:18:27 +0530
Hi All,
some rules of route to route spacing are mostly followed by high speed board
designers as
w, 2w, 3w where w is actual trace width and the spacing reduces for syncronous
signals
as like for data lines and address line the spacing will be kept equal to the
trace width = w and for other async. signals it goes on increasing by 2w and
3w rule
but in the calculation of the cross talk trace width is not considered
why is it so..........?
please explain
thanks in advance
rgds
kedar
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