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

[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.