| 摘要 |
A level shifter circuit includes a pull-up unit configured to pull up an output node to a second voltage level being higher than a first voltage level in response to an input signal swinging with an amplitude of the first voltage level, a pull-down unit configured to pull down the output node in response to the input signal, and a protection unit connected between the output node and the pull-down unit to prevent a voltage of the output node from being applied to the pull-down unit.
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