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Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Altera Simple Dual Port RAM -- Read cycle latency

Hi all, I use in my design a altsyncram, simple dual-port RAM, generated by MegaWizard. It is 4096 words deep, with 14-bit words input, with a single clock for both Port A and B. When pe...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Thanks,

the problem was in my wrapper for the altsyncram. Where the core is instantiated , I changed the "outdata_reg_a" to "UNREGISTERED" and now it works, there's only one clock cycle latency before data output is valid.

Thanks again, problem solved!

Jiayi_H_Intel's avatar
Jiayi_H_Intel
Icon for Occasional Contributor rankOccasional Contributor
6 years ago

Thanks. This answer solved the same problem in my design.