How to select the clock gen of common clock, SRNS, and SRIS for PCIe Gen4?

Thread Starter

Enshuo

Joined Jul 15, 2020
7
Hi experts,
There are several PCIe clock generators such as common clock, SRNS, and SRIS. It seems SRIS is for most designs, and some design is with SRNS. SRNS should be lesser noise? What are the pros and cons, and applications for PCIe Gen4?
 
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