3.3V/5V planes

fabrizio zanella (fabrizio=zanella%Eng%EMCHOP1@fishbowl02.lss.emc.com)
Thu, 17 Jul 97 10:54:54 -0400

Stuart, I would recommend a more symmetrical stackup for your board with
one extra layer. With this stackup every signal layer references a ground
layer, and the board is more manufacturable.

1 -------------- top
2 -------------- signal
3 -------------- ground
4 --------------- +5V
5 --------------- signal
6 --------------- ground
7 --------------- signal
8 --------------- +3V
9 --------------- bottom

Regards,

Fabrizio Zanella
Sr. Design Engineer
Hardware Engineering
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zanella_fabrizio@emc.com
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4645
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