本帖最後由 smilodon 於 2011-7-30 05:54 PM 編輯 , W4 ?* d4 M7 Y% m& h
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Basically you can find information in design rule about metal width versus current, 1um - 1mA is a conservative estimation.0 v# E9 J( q$ B& U; ]/ j4 `2 m; D+ @
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Usually I prefer a 10um width metal to five layer metal connected by vias, for fringe caps' and routing.