Forum Discussion

Honored Contributor

16 years ago

Seperate PLL power planes for Cyclone III devices?

I have a question about PLL power supply. In "Cyclone III Device Family Pin Connection Guidelines", Altera requires a totally seperated VCCA & VCCD power island for Cyclone III PLLs. But...

Altera_Forum

Honored Contributor

16 years ago

To remember to a few recent discussions:

http://www.alteraforum.com/forum/showthread.php?t=6518

http://www.alteraforum.com/forum/showthread.php?t=6767

http://www.alteraforum.com/forum/showthread.php?t=19948

Particularly jakobjones reference to decoupling practice of existing Cyclone III development kits should be considered.

Forum Discussion

Seperate PLL power planes for Cyclone III devices?

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