FIFO Depth Calculation

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vipulsinha

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Hi Guys

What could be the optimal buffer for an asynchronous FIFO with the source clock

at 50 MHz and the Read clock is 25 MHz


Data is clming as 8 bits with each clock write . There is no idle cycle. We have to keep the synchronization latancy also into account.


Thanks

Vips
 

If there is no idle cycle in write, and writes keep happening, and ur read is happening at 1/2 the frequency of write, then ur fifo depth can only be infinite.
 

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