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    • 25. 发明授权
    • Sense amplifier select circuit and method of selecting the same
    • 感应放大器选择电路及选择方法
    • US07057954B2
    • 2006-06-06
    • US10738651
    • 2003-12-17
    • Sung Ryong Kim
    • Sung Ryong Kim
    • G11C7/00
    • G11C7/06G11C2207/065
    • The present invention relates to a sense amplifier select circuit for use in a memory device consisting of cell arrays and sense amplifier arrays arranged in a shared sense amplifier mode. The sense amplifier select circuit includes a first controller for outputting a sense amplifier select signal in response to a block select signal and an operation control signal of a sense amplifier, and a second controller connected to the first controller to control the sense amplifier select signal, wherein the second controller applies an enable/disable signal when selection of a cell array is changed and keeps the enable/disable state when a sense amplifier to be sensed within a selected cell array is changed. As such, a corresponding cell array is continuously connected/disconnected to/from a bit line sense amplifier. As a result, it is possible to significantly reduce consumption of current occurring due to toggle of a sense amplifier select signal.
    • 本发明涉及用于以共享读出放大器模式排列的单元阵列和读出放大器阵列的存储器件中使用的读出放大器选择电路。 读出放大器选择电路包括:第一控制器,用于响应于块选择信号和读出放大器的操作控制信号输出读出放大器选择信号;以及第二控制器,连接到第一控制器以控制读出放大器选择信号, 其中当选择单元阵列改变时,所述第二控制器施加使能/禁止信号,并且当所选择的单元阵列内的感测放大器被改变时,保持所述使能/禁止状态。 这样,相应的单元阵列与位线读出放大器连续/断开连接。 结果,可以显着降低由于读出放大器选择信号的触发而产生的电流的消耗。