| 摘要 |
A charge pump is disclosed, comprising a plurality of sub-charge pumps connected in series, each comprising a charging switch module turned on or off according to a charging clock signal and a capacitor connected between the charging switch module and a reference clock signal. The charge pump further comprises at least one additional switch module connecting to a reference-clock-providing sub-charge pump and a reference-clock-accepting sub-charge pump among the sub-charge pumps to provide the reference clock signal of the reference-clock-accepting sub-charge pump according to an additional clock signal.
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