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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

a C7 is faster than a C8

you can add both devices to your design as migration

menue -> Assignments -> Device -> Migration Devices

here you can add the C7 and the C8 device

of course you need to recompile

this option is also usefull when you plan to place different devices with the same footprint like EP2C35F484 and EP2C50F484 as an asssembly option, so the pin planer and other functions know about the migration and help you "not" to choose for example IOs that are not IOs on different parts.