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根据手册时钟高低电平的宽度最小在25ns左右想问下 时钟的高低电平的阈值
我用示波器看了一下时钟，是一个20MHz，高电平2.5V， 低电平在0.8V，请问能不能正常工作？
你好
请参考数据手册里对digital input output的要求
