Patent ID: 9294096
Filing Date: 2016-03-22
CPC Classification: H01L,H03K

Claim Text:
1. A semiconductor device characterized by comprising: a first wiring; a second wiring; a third wiring; a fourth wiring; a first switch; a second switch; a third switch; and a fourth switch, wherein the first switch has a function of controlling conduction between the first wiring and a control terminal of the second switch, wherein the second switch has a function of controlling conduction between the second wiring and the fourth wiring, wherein the third switch has a function of controlling conduction between the second wiring and a control terminal of the fourth switch, wherein the fourth switch has a function of controlling conduction between the third wiring and the fourth wiring, wherein a first signal is supplied to the first wiring and the second wiring in a first period, wherein a second signal is supplied to the second wiring and the third wiring in a second period, wherein the third wiring and the fourth wiring are held at a constant potential determined independent of the first signal in the first period, wherein the first switch and the third switch are in an on state in the first period, and wherein the first switch and the third switch are in an off state in the second period.