| 摘要 |
PURPOSE: A charge pump circuit of a semiconductor device is provided to reduce power consumption by disabling a second pumping unit. CONSTITUTION: A first clock driver(140) outputs a first clock signal and a first inverted clocked signal. A second clock driver(150) outputs a second clock signal and a second inverted clock signal. A pumping circuit(110) performs first pumping and a second pumping. An internal power voltage is outputted high output voltage through the first pumping and second pumping.
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