Forum Discussion

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

Second opinion on timequest constraints

Hi, I was constraining an interface between a stratix II device and a digital to analog converter. Trying to close timing gave me quite a few problems. I now have a timing report free of warnings ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Run report_timing with -setup and -hold between the two clocks to see what the setup and hold requirements are with these multicycles. Naturally, this is what the original designer wanted the paths to be analyzed at. The difficult question is if the design actually behaves this way.