I want to use 5V output but cyclone ii device does not support the 5V IO standard. I know that cyclone ii device can configed as open-drain outputs, can I pull the OD ports up to 5V? Is there any risk to the FPGA device?
--- Quote Start --- Is there any risk to the FPGA device? --- Quote End --- You shouldn't do that, it's clearly beyond maximum ratings. You should at least implement PCI clamp diodes for the respective outputs.
