Patent ID: 9501119
Filing Date: 2016-11-22
CPC Classification: G05F,G06F,G11C,H02M,H03K,Y02D

Claim Text:
1. A semiconductor device comprising: a power source circuit comprising: a CPU core comprising: wherein an output terminal of the selector is electrically connected to an input terminal of the first memory circuit, wherein an input terminal of the selector is electrically connected to an output terminal of the second memory circuit, wherein each of the first transistor and the second transistor comprises a channel formation region comprising an oxide semiconductor, wherein a gate of the first transistor is electrically connected to one of a source and a drain of the first transistor, wherein a back gate of the first transistor is electrically connected to the one of the source and the drain of the first transistor, wherein one of a source and a drain of the second transistor is electrically connected to the first capacitor, and wherein a back gate of the second transistor is supplied with the potential.