Semiconductor devices

Abstract

A novel semiconductor device is provided. The semiconductor device includes a substrate, a first circuit section disposed on a first side of the substrate, and a second circuit section disposed on a second side of the substrate and electrically connected to the first circuit section. The second circuit section includes a first power supply circuit, a level switching circuit, and a second power supply circuit. The first power supply circuit has the function of supplying a first voltage to the first circuit section as a second voltage by controlling the opening or closing of a control switch. The level switching circuit has the function of performing level switching on the amplitude voltage of a first clock signal supplied to the level switching circuit to control the opening or closing of the control switch when a third voltage is supplied. The second power supply circuit has the function of supplying a fourth voltage to the second power supply circuit as a third voltage to the level switching circuit when a second clock signal is supplied.

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