| 摘要 |
A semiconductor device includes that a first power line supplied with first power supply voltage, a second power line supplied with second power supply voltage, a third power line electrically connected to a internal circuit; a first switch configured to electrically connect or disconnect the first power line and the third power line, a second switch configured to electrically connect or disconnect the second power line and the third power line, and a control circuit controlling the second switch to electrically connect the first power line and the third power line following a predetermined period after the first power line and the third power line are electrically connected each other based on the first switch.
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