时钟信号终端匹配可不可以? (无内容)
时间:10-02
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时钟信号终端匹配可不可以? (无内容)
the answer is yes. when the clock trace is very long and end load is heavy. parallel terminator is good choice. use 80OHM (GND)+120OHM(3.3v)
source terminator is suitable for short trace and single light load.
时钟信号终端匹配可不可以? (无内容)
终端可以不匹配,但是源端一定要匹配的。串一个33的电阻差不多了
时钟信号是单端还是差分的,端接匹配不同。