Semiconductor device

Abstract

A semiconductor device capable of improving the accuracy for determining whether a prescribed input potential is higher or lower than a reference potential is obtained. This semiconductor device comprises first capacitance means and second capacitance means having different ON- and OFF-state capacitances. The semiconductor device changes the potential of a first electrode of the first capacitance means and the potential of a first electrode of the second capacitance means from a first potential to a second potential thereby enlarging the difference between a potential input in a second electrode of the first capacitance means and a potential input in a second electrode of the second capacitance means and comparing the potential input in the second electrode of the first capacitance means and the potential input in the second electrode of the second capacitance means with each other.

Dependencies are inferred from the claim text.