Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
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
17 years ago

Ok. I'm also wondering, the FPGA in the EQFP144 case has about 32 supply pins. Is there any guide to what kind of bypass caps I should use with this chip and how many of them? I counted 29 caps on the bottom of the starter kit, underneath the chip but that's a BGA chip with a lot more supply pads than the 32 I have. I'm sure there's a document somewhere about exactly this but I have no idea where to look for it.