We often think that we’ve got the timing job nailed down and that there aren’t any problems that we can’t easily, almost routinely solve. Using timing exceptions to optimize synthesis or P&R shouldn’t be a problem.
However, making an error when specifying timing exceptions can possibly shut down a design project.
Take a look at what Atrenta’s Shaker Sarwary, Ramesh Dewangan and Sridhar Gangadharan say about how to avoid this situation:
(Note: white paper download requires registration)
LeePR does work for Atrenta.
