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    • 1. 发明申请
    • MEMORY DEVICE AND SIGNAL DRIVING DEVICE THEREOF
    • 存储器件及其信号驱动器件
    • US20130322196A1
    • 2013-12-05
    • US13484541
    • 2012-05-31
    • Seong Hoon LEE
    • Seong Hoon LEE
    • G11C7/06H03K17/687
    • G11C7/062G11C7/1048G11C7/1069
    • A signal driving device includes a constant current circuit configured to provide a constant current, a first mirror circuit configured to generate a mirror current from the constant current and provide a voltage according to the mirror current of the constant current, a circuit comprising a switch device and configured to provide a driver current, a second mirror circuit configured to generate a mirror current of the driver current and output a voltage that includes a voltage drop caused when the mirror current of the driver current flows through a replica switch device, and a differential amplifier configured to receive the voltage from the first mirror circuit and the voltage from the second mirror circuit to provide a biased voltage for the bias circuit and thereby induce the driver current.
    • 信号驱动装置包括被配置为提供恒定电流的恒流电路,第一反射镜电路,被配置为根据恒定电流产生反射镜电流并根据恒定电流的反射镜电流提供电压;电路,包括开关装置 并且被配置为提供驱动器电流;第二镜电路,被配置为产生所述驱动器电流的反射镜电流,并输出包括当所述驱动器电流的反射镜电流流过复制开关器件时引起的电压降的电压;以及差分 放大器,被配置为接收来自第一镜像电路的电压和来自第二镜像电路的电压,以为偏置电路提供偏置电压,从而引起驱动器电流。