| 摘要 |
An integrated circuit includes a logic circuit and a power gating circuit. The logic circuit generates an output signal based on an input signal and a first power supply voltage in a normal operation mode, and maintains a voltage level of the output signal as a stand-by logic level based on a second power supply voltage in a stand-by mode. A magnitude of the second power supply voltage is smaller than a magnitude of the first power supply voltage. The power gating circuit entirely applies the first power supply voltage to the logic circuit based on a power gating signal in the normal operation mode, and partially applies the second power supply voltage to the logic circuit based on the power gating signal in the stand-by mode.
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