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Altera_Forum's avatar
Altera_Forum
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15 years ago

Build for multiple speed grades

I have a design for speed grade C8. Now purchase would like to buy chips with speed grade C7. Will the binary that was build for speed grade C8 function properly in a chip with speed grade C7 ? ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

You don't need to recompile as long as you performed multi-corder timing analysis. Which you should always do anyway, because there is no guarantee that a specific chip marked as C8 isn't really a C7 one. Speed grades are guaranted in one direction only, for being "not slower than...".