Strobe vs clock in ddr

Thread Starter

hoyyoth

Joined Mar 21, 2020
282
HI All,

Why strobe is required to sample data in DDR, That can be done with clock as well?

As per DDR spec, dqs(strobe) to clock delay is also fixed(tDQSS), then why clock can not be used to sample data as synchronous circuits

Please reply.
 
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