| 摘要 |
According to an aspect of the present invention, there is provided a voltage step-down circuit including: a first NMOS connected between an external and an internal power-supply voltages through a PMOS turned ON during an active state and turned OFF during a standby state; a second NMOS connected between the external and the internal power-supply voltages; and a current control circuit that sinks a current from the internal power-supply voltage to a ground level for a certain period of time after an operation state is switched from the active state to the standby state.
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