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Altera_Forum
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14 years ago

How do I disable setup/hold violation errors?

I'm simulating a design with ModelSim-Altera. The design has two clock domains and I'm using two-stage synchronizers on data that crosses between the clock domains. Because the two clocks are close i...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

I am not sure about your description, which tool is reporting tSU/tH violation. Is it Modelsim or quartus?

A fifo does have synchroniser similar to yours but plus handshaking logic to cross data correctly across both domains.