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    • 8. 发明授权
    • High voltage switch, nonvolatile memory device comprising same, and related method of operation
    • 高压开关,包含该高压开关的非易失性存储器件及其相关操作方法
    • US09349457B2
    • 2016-05-24
    • US14455344
    • 2014-08-08
    • SAMSUNG ELECTRONICS CO., LTD.
    • Taehyun KimYoungsun Min
    • G11C16/08H03K17/16G11C16/12G11C16/34
    • G11C16/08G11C16/12G11C16/3418H03K17/165
    • A high voltage switch operates in response to a first drive voltage and a second drive voltage higher than the first drive voltage. The high voltage switch includes a PMOS transistor transmitting the second drive voltage to an output terminal according to a voltage applied to its gate, a first depletion mode transistor providing the second drive voltage to the PMOS transistor according to an output signal fed back from the output terminal, a second depletion mode transistor receiving the second drive voltage through one end and providing a switching voltage to another end according to a switching control signal, and a level shifter providing the switching voltage to a gate of the PMOS transistor according to an enable signal and a reverse enable signal.
    • 高电压开关响应于高于第一驱动电压的第一驱动电压和第二驱动电压而工作。 高压开关包括PMOS晶体管,其根据施加到其栅极的电压将第二驱动电压传输到输出端,第一耗尽模式晶体管,根据从输出端反馈的输出信号,向PMOS晶体管提供第二驱动电压 端子,第二耗尽型晶体管,通过一端接收第二驱动电压,并根据开关控制信号向另一端提供开关电压;以及电平移位器,根据使能信号向PMOS晶体管的栅极提供开关电压 和反向使能信号。
    • 9. 发明授权
    • High voltage switch and a nonvolatile memory device including the same
    • 高压开关和包括其的非易失性存储器件
    • US09147489B2
    • 2015-09-29
    • US14077769
    • 2013-11-12
    • SAMSUNG ELECTRONICS CO., LTD.
    • Taehyun KimYoungsun MinBilal Ahmad JanjuaJeongdon Ihm
    • G11C16/06G11C16/30G11C16/04G11C16/12
    • G11C16/30G11C16/0483G11C16/12
    • A high voltage switch of a nonvolatile memory device includes a depletion type NMOS transistor configured to switch a second driving voltage in response to an output signal of the high voltage switch; at least one inverter configured to convert a voltage of an input signal of the high voltage switch into a first driving voltage or a ground voltage, wherein the first and second driving voltages are received from an external device; and a PMOS transistor configured to transfer the second driving voltage provided to a first terminal of the PMOS transistor from the depletion type NMOS transistor to a second terminal of the PMOS transistor as the output signal in response to an output of the at least one inverter, wherein the output of the at least one inverter is transferred to a gate terminal of the PMOS transistor.
    • 非易失性存储器件的高电压开关包括耗尽型NMOS晶体管,其配置为响应于高电压开关的输出信号而切换第二驱动电压; 至少一个反相器,被配置为将高压开关的输入信号的电压转换为第一驱动电压或接地电压,其中从外部装置接收第一和第二驱动电压; 以及PMOS晶体管,被配置为响应于所述至少一个反相器的输出,将提供给所述PMOS晶体管的第一端子的所述第二驱动电压从所述耗尽型NMOS晶体管传送到所述PMOS晶体管的第二端子作为所述输出信号, 其中所述至少一个反相器的输出被传送到所述PMOS晶体管的栅极端子。