| 摘要 |
Provided is a semiconductor device including: a first charge pump circuit that generates a first control signal based on electric charge of a first pumping capacitor accumulated through a first drive transistor; a second charge pump circuit that generates a second control signal based on electric charge of a second pumping capacitor accumulated through a second drive transistor; a third charge pump circuit that transfers electric charge between an output terminal and a reference voltage terminal through a third drive transistor; and a fourth charge pump circuit that transfers electric charge between the output terminal and the reference voltage terminal through a fourth drive transistor. Conductive states of the first and third drive transistors are controlled based on the second control signal, and conductive states of the second and fourth drive transistors are controlled based on the first control signal.
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