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Altera_Forum's avatar
Altera_Forum
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16 years ago

Reduced power supplies for Cyclone IV

Hi, as listed on the website, Cyclone IV devices shall need less power supplies than former devices to reduce costs ".. All Cyclone IV FPGAs require only two power supplies for operation, sim...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

oops you are right.

Both tables in the datasheets of Cyclone III and IV are identical.

This means Cyclone IV designs with 3,3V IO must also be done very carefully.

Or as we did with Cyclone III use max 3,0V IO and being able to use the Spansion S25FL064A0LMFI001 as EPCS device instead of the Altera EPCS64SI16N that works @ 3,0V as well as the SDRAMs.