本帖最後由 smilodon 於 2011-7-30 05:54 PM 編輯 - y3 f" d) _. s: \
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Basically you can find information in design rule about metal width versus current, 1um - 1mA is a conservative estimation. # E5 {1 b, Y* a2 q$ ~3 g5 O$ {! `% w9 X3 m {+ C
Usually I prefer a 10um width metal to five layer metal connected by vias, for fringe caps' and routing.