john019 发表于 2011-1-2 22:29 PND PCB Layout 设计规范 一、DDR 布线规范： 1、布线时尽量避免DDR 的线跨接分割的电源层。
Undo
Redo
Table
Removeformat
Autotypeset Left Center Right
FloatLeft FloatRight Orderedlist Unorderedlist
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