| 摘要 |
A plurality of MOS type circuits is provided, and are connected in a multistage manner. A first transistor is inserted between a power source voltage VDD and a power supply node of each of MOS type circuits at an odd numbered stage. A second transistor is inserted between the power source voltage VDD and a power supply node of each of MOS type circuits at an even numbered stage. When the plurality of MOS type circuits are established in a standby state, a control circuit first controls to make a second transistor conductive, and then make a first transistor conductive when the plurality of MOS type circuits, each of which is established in a standby state, are recovered from the standby state to an active state.
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