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    • 5. 发明授权
    • Voltage boosting device and method for semiconductor device
    • 用于半导体器件的升压装置及方法
    • US07724071B2
    • 2010-05-25
    • US11493467
    • 2006-07-25
    • Akira OkadaMasaru YanoKazuhide Kurosaki
    • Akira OkadaMasaru YanoKazuhide Kurosaki
    • G05F1/02
    • G11C16/30G11C5/145
    • A semiconductor device includes: a pump circuit that boosts an output node connected to a memory cell array; an oscillator that outputs a clock to the pump circuit; and a detection circuit that outputs an actuating signal to the oscillator. In this semiconductor device, the actuating signal actuates the oscillator when the voltage of the output node of the pump circuit is lower than a first reference voltage, and the actuating signal stops the oscillator when the voltage of the output node is higher than a second reference voltage. In accordance with the present invention, when the voltage of the output node of the pump circuit is higher than the target voltage, the oscillator is stopped, and so is the pump circuit. Thus, unnecessary charge flow to the ground can be prevented, and the power consumption of the booster circuit can be reduced.
    • 一种半导体器件包括:泵电路,其对连接到存储单元阵列的输出节点进行升压; 一个向泵电路输出时钟的振荡器; 以及向振荡器输出启动信号的检测电路。 在该半导体器件中,当泵电路的输出节点的电压低于第一参考电压时,致动信号致动振荡器,并且当输出节点的电压高于第二参考电压时,致动信号停止振荡器 电压。 根据本发明,当泵电路的输出节点的电压高于目标电压时,振荡器停止,泵电路停止。 因此,可以防止不必要的电荷流向地面,并且可以降低升压电路的功耗。
    • 10. 发明申请
    • Semiconductor device and method of controlling the same
    • 半导体装置及其控制方法
    • US20070085597A1
    • 2007-04-19
    • US11493467
    • 2006-07-25
    • Akira OkadaMasaru YanoKazuhide Kurosaki
    • Akira OkadaMasaru YanoKazuhide Kurosaki
    • G05F1/10G05F3/02
    • G11C16/30G11C5/145
    • A semiconductor device includes: a pump circuit that boosts an output node connected to a memory cell array; an oscillator that outputs a clock to the pump circuit; and a detection circuit that outputs an actuating signal to the oscillator. In this semiconductor device, the actuating signal actuates the oscillator when the voltage of the output node of the pump circuit is lower than a first reference voltage, and the actuating signal stops the oscillator when the voltage of the output node is higher than a second reference voltage. In accordance with the present invention, when the voltage of the output node of the pump circuit is higher than the target voltage, the oscillator is stopped, and so is the pump circuit. Thus, unnecessary charge flow to the ground can be prevented, and the power consumption of the booster circuit can be reduced.
    • 一种半导体器件包括:泵电路,其对连接到存储单元阵列的输出节点进行升压; 一个向泵电路输出时钟的振荡器; 以及向振荡器输出启动信号的检测电路。 在该半导体器件中,当泵电路的输出节点的电压低于第一参考电压时,致动信号致动振荡器,并且当输出节点的电压高于第二参考电压时,致动信号停止振荡器 电压。 根据本发明,当泵电路的输出节点的电压高于目标电压时,振荡器停止,泵电路停止。 因此,可以防止不必要的电荷流向地面,并且可以降低升压电路的功耗。