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What is the relationship between the logic“1”and input voltage of chip pins?

Posted: 31 May 2021, 15:57
by a_ziliu
The logic“1”voltage of chip pins is the same as the input voltage of the corresponding power domain.

For example,
Input Voltage = 3.3 V => Logic“1”Voltage = 3.3 V
Input Voltage = 4.56789 V => Logic“1”Voltage = 4.56789 V.