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Altera_Forum
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11 years ago

ROM lagging address by a full cycle?

I have a ROM implemented via megawizard and I noticed for some reason it seems to lag it's address by a full clock cycle, instead of loading the address present at the rising edge. The basic architec...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

I've gone over the user guide before, but it never explicitly says if a READ requires a full cycle of latency, or if it can be read immediately. Am I wrong? I'm familiar with running modelsim, was just surprised at this behavior and was wondering if there's a solution that would let me read immediately. Is there?

Thanks!