And, as shown in FIG. 13, there is an architecture in which a set of subject first-potential-level power supply wirings (high-potential power supply wirings) 61-64 of the fifth wiring level and a set of subject second-potential-level power supply wirings (low-potential power supply wirings) 65-68 are placed so that the power supply wirings extend perpendicular to the horizontal arrays, where a plu