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Altera_Forum
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14 years ago

DE0-nano Power Supply

HI there i have a de0 nano wich have a cyclone IV inside and i have the following problem .. i need that the output voltaje for the GPIO woluld be 5V not 3.3V... By mistake a supply the board ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

I don't recommend to use 5V in IO voltage. Datasheet says max IO voltage is 3.9V. It can damage the Cyclone IV.

3.3V IO voltage should be enought to 5V TTL input or use levelshifters like 74ALVC164245 from NXP.