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    Voltage sensing circuit capable of controlling a pump voltage stably generated in a low voltage environment
    41.
    发明授权
    Voltage sensing circuit capable of controlling a pump voltage stably generated in a low voltage environment 有权
    电压检测电路能够控制在低电压环境下稳定产生的泵浦电压

    公开(公告)号：US08203891B2

    公开(公告)日：2012-06-19

    申请号：US13101558

    申请日：2011-05-05

    申请人： Woo-Seung Han ,  Khil-Ohk Kang

    发明人： Woo-Seung Han ,  Khil-Ohk Kang

    IPC分类号： G11C5/14

    CPC分类号： G11C5/145

    摘要： A voltage sensing circuit, which is capable of controlling a pumping voltage to be stably generated in a low voltage environment, is provided. The voltage sensing circuit includes a current mirror having first and second terminals, a first switching element configured to control current on the first terminal of the current mirror by a reference voltage, a second switching element configured to control current from the second terminal of the current mirror in response to a pumping voltage, and a third switching element configured to control current sources of the first and second switching elements to receive a negative voltage.

    摘要翻译： 提供了能够控制在低电压环境下稳定产生的泵浦电压的电压检测电路。 电压检测电路包括具有第一和第二端子的电流镜，第一开关元件，被配置为通过参考电压来控制电流镜的第一端子上的电流;第二开关元件，被配置为控制来自电流的第二端子的电流 响应于泵浦电压反射镜;以及第三开关元件，其被配置为控制第一和第二开关元件的电流源以接收负电压。