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Altera_Forum
Honored Contributor
10 years ago3.3V clock input on ddr3 i/o bank
Hi I have a board with a cyclone v (5CEFA2F23C8) and a ddr3 ram. On the same I/O-bank 7A as the ddr3 I have a clock input, as needed for running the ddr3-pll. My problem is, the pll does not lo...
Altera_Forum
Honored Contributor
10 years agoIf the bank is a 1.5 IO bank, you need to drive it with a 1.5V signal. Anything higher will potentially burn out the IO pin and will over load the driving chip.