请教,单端20MHz时钟信号通过线缆传输3~4m,使用用哪款clock fanout buffer比较合适?
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输入时钟什么电平? 需要fanout的话,是什么架构,输出几路呢,比如1分4还是其他?
CDC3R102满足您目前的1.8V,时钟频率要求,但是您指的驱动3~4m电缆,最好还是实验验证下。
http://www.ti.com/lit/ds/symlink/cdc3rl02.pdf