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Honored Contributor
Honored ContributorVi and VCCIO
hello, I am just starting designs with Altera devices and I hope my question will be easy to answer. 1. VCCIO is just a supply power for input and output buffers of the device. 2. If ...
Altera_ForumHonored Contributor
Honored ContributorFor example, look at page 1-11 of the datasheet for Cyclone III:
http://www.altera.com/literature/hb/cyc3/cyc3_ciii52001.pdf This will give you VIH and VIL for various voltage standards. Jake
