| 摘要 |
A booster circuit including first to Mth power supply lines (M is an integer larger than 3) and first and second charge-pump circuits. Each of the charge-pump circuit has first to (M-2)th boost capacitors, wherein the jth boost capacitor (1<=j<=M-2, j is an integer) is connected between the jth power supply line and the (j+1)th power supply line in a first period and is connected between the (j+1)th power supply line and the (j+2)th power supply line in a second period subsequent to the first period. Each of the charge-pump circuits generates a boosted voltage by a charge-pump operation in different phases.
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