I agree with the spacing. When we have clk traces, we assign a 3W rule.
(1.5x width of the trace, side 2 side)

You may want to consult some engineers or check;
http://www.sigcon.com
or
Dr. Howard W. Johnsons (I can't see to find his home page)


 Michael Kuczynski       201-393-2122 (Phone)
Allied Signal           201-393-6688 (Fax)
688 Rt46E E/K4
Teterboro NJ 07608
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