A semiconductor device includes a first conductive type first transistor, a first conductive type second transistor, a first power supply pad arranged between the first transistor and the second transistor and supplying a first potential, a second conductive type third transistor, a second conductive type fourth transistor, a second power supply pad arranged between the third transistor and the fourth transistor and supplying a second potential, a first output pad arranged between the first transistor and the third transistor, and a second output pad arranged between the second transistor and the fourth transistor, in which a direction in which a line connecting the first power supply pad with the second power supply pad extends is perpendicular to a direction in which a line connecting the first output pad with the second output pad extends.