Block vs. Distributed RAMs

Feb 14, 2006 1 Replies

ISE always seems to infer distributed RAM for async. reads.



Is it possible to infer distributed RAM with sync read? Is is possible to infer/instantiate block RAM with async read?



I got ISE ver 6.



Rgds



Yes, just register the output ... (works for me). And if it's small, it will use a distributed No, brams are synchronous ... (input registred. On virtex4, you can also register outputs)

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