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Altera_Forum's avatar
Altera_Forum
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17 years ago

Power supply requirements for Cyclone III

I'm looking for information on what the power supply requirements are for Cyclone III devices. The starter kit evaluation board has 5 different regulators at 1.2V, 1.25V, 1.8V, 2.5V and 3.3V. I wa...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

The FPGA uses different power supplies for different parts of the chip. The Cyclone III requires a 1.2V supply for its core and 2.5V for its plls, and you can use any supply voltage between 1.2 and 3.3V for the inputs/outputs.