PCB布铜问题
2011-10-13 20:07
请教各位大师:FPGA 设计的一块8层板,2层电源,2层地,4sig。 FPGA 信号有80M. 想问一下怎么叠层合适? 电源层有很多空余位置布电源好,还是布地线好?信号层的空余地方要布地线吗? 谢谢。
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