| 摘要 |
Disclosed herein is a semiconductor device that includes a signal wiring arranged on a first layer and extending over the circuit block or blocks in the first direction so as to reach the first circuit block and produce a free space above the first circuit block, the signal wiring being electrically connected to the first circuit block, a power-supply wiring arranged on a second layer and extending over the circuit block or blocks in the first direction so as to reach the first circuit block, the power-supply wiring supplying an operating voltage to the first circuit block and an auxiliary power-supply wiring being configured to enhance the operating voltage supplied by the power supply line, and the auxiliary power-supply wiring being formed in the free space produced by the arrangement of the signal wiring.
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