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    • 2. 发明申请
    • Semiconductor device
    • 半导体器件
    • US20110267902A1
    • 2011-11-03
    • US13064915
    • 2011-04-26
    • Toshiro Sasaki
    • Toshiro Sasaki
    • G11C7/00G06F1/08
    • G06F1/26G11C5/145G11C16/30H01L24/06H01L2224/05554
    • A semiconductor device includes a drive circuit that outputs a drive signal to drive an external device; a voltage output circuit that outputs a first voltage and a second voltage that is larger than the first voltage; a selector that, when supplying a power supply voltage to the drive circuit, selects the first voltage and, when supplying a power supply voltage to an internal device, selects the second voltage; and a step-up circuit that, when the first voltage selected by the selector is input, boosts the first voltage to a third voltage and outputs the third voltage as the power supply voltage to the drive circuit and, when the second voltage selected by the selector is inputted, boosts the second voltage to a fourth voltage and outputs the fourth voltage as the power supply voltage to the internal device.
    • 半导体器件包括:驱动电路,其输出用于驱动外部器件的驱动信号; 电压输出电路,其输出大于所述第一电压的第一电压和第二电压; 选择器,当向所述驱动电路供给电源电压时,选择所述第一电压,并且当向所述内部装置供应电源电压时,选择所述第二电压; 以及升压电路,当输入由选择器选择的第一电压时,将第一电压升压到第三电压,并将作为电源电压的第三电压输出到驱动电路,并且当由第二电压选择 选择器被输入,将第二电压升压到第四电压,并将第四电压作为电源电压输出到内部装置。
    • 8. 发明授权
    • Semiconductor device
    • 半导体器件
    • US08773938B2
    • 2014-07-08
    • US13064915
    • 2011-04-26
    • Toshiro Sasaki
    • Toshiro Sasaki
    • G11C5/14
    • G06F1/26G11C5/145G11C16/30H01L24/06H01L2224/05554
    • A semiconductor device includes a drive circuit that outputs a drive signal to drive an external device; a voltage output circuit that outputs a first voltage and a second voltage that is larger than the first voltage; a selector that, when supplying a power supply voltage to the drive circuit, selects the first voltage and, when supplying a power supply voltage to an internal device, selects the second voltage; and a step-up circuit that, when the first voltage selected by the selector is input, boosts the first voltage to a third voltage and outputs the third voltage as the power supply voltage to the drive circuit and, when the second voltage selected by the selector is inputted, boosts the second voltage to a fourth voltage and outputs the fourth voltage as the power supply voltage to the internal device.
    • 半导体器件包括:驱动电路,其输出用于驱动外部器件的驱动信号; 电压输出电路,其输出大于所述第一电压的第一电压和第二电压; 选择器,当向所述驱动电路供给电源电压时,选择所述第一电压,并且当向所述内部装置供应电源电压时,选择所述第二电压; 以及升压电路,当输入由选择器选择的第一电压时,将第一电压升压到第三电压,并将作为电源电压的第三电压输出到驱动电路,并且当由第二电压选择 选择器被输入,将第二电压升压到第四电压,并将第四电压作为电源电压输出到内部装置。