While the ADV7180 has specs for VOH, VOL, VIH, VIL for both 3.3V or 1.8V rails (Rev E Data Sheet page 6), Can you please tell me what the expected values would be for 2.5V DVDDIO or the formula to calculate it?
The values in the specs are determined with test characterization so we don't have hard specs for 2.5V. It would be reasonable to use a combination of worst case for 3.3 and 1.8. We can't define them for 2.5V without doing a characterization specific to it. There is no formula for calculating it.
Not an ideal answer, I know.
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