| 摘要 |
According to one embodiment, a level shifter includes a current generator, a current switch, and a protection circuit. The current generator is connected between a first high potential terminal and a first low potential terminal and configured to generate a first current at a first output line. The current switch is connected between a second high potential terminal and a second low potential terminal. The current switch is configured to receive the first current with a higher current supply capacity than the current generator and pass the first current or cut off the first current in accordance with an input signal. The protection circuit is connected to the first output line between the current generator and the current switch. The protection circuit is configured to limit an electric potential of the first output line.
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