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Altera_Forum
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15 years ago

I/O standard:Different between 3.3V and 2.5V

Hi, In my hardware, I/O standard of most of the ICs connected to CycloneIII are 3.3V, but it also need LVDS connected to CycloneIII. It should to set the voltage of the bank to 2.5V which inc...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I would not recommend it. The spec. is clear. Vccio max for LVDS is 2.625V. For a long term reliable operation you should keep all values within the spec.