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    • 5. 发明申请
    • SEMICONDUCTOR MEMORY DEVICE
    • 半导体存储器件
    • US20110116334A1
    • 2011-05-19
    • US12948302
    • 2010-11-17
    • Je-min YUByung-chul KimJun-hyung KimSang-joon Hwang
    • Je-min YUByung-chul KimJun-hyung KimSang-joon Hwang
    • G11C7/12G11C7/08
    • G11C7/18G11C7/12G11C11/4094G11C11/4097G11C2207/002
    • A semiconductor memory device includes a bitline sensing amp detecting and amplifying data of a pair of bitlines from a memory cell, a column selecting unit transmitting the data of the pair of bitlines to a pair of local datalines in response to a column selecting signal, a dataline precharging unit precharging the pair of local datalines to a precharging voltage level in response to a precharging signal, and a dataline sensing amp detecting and amplifying data transmitted to the pair of local datalines. The dataline sensing amp includes a charge sync unit discharging the pair of local datalines at the precharging voltage level in response to a first dataline sensing enabling signal and data of the pair of local datalines, and a data sensing unit transmitting data of the pair of local datalines to a pair of global datalines in response to a second dataline sensing enabling signal.
    • 半导体存储器件包括:位线检测放大器,用于检测和放大来自存储器单元的一对位线的数据;列选择单元,响应于列选择信号,将一对位线的数据传输到一对本地数据; 数据预充电单元响应于预充电信号将一对本地数据线预充电到预充电电压电平,以及数据感测放大器检测和放大传输到该对本地数据线的数据。 数据传感放大器包括电荷同步单元,响应于第一数据感测使能信号和一对本地数据的数据,以预充电电压电平放电该对本地数据线;以及数据感测单元,传输该对本地数据 响应于第二数据感测使能信号将数据传送到一对全局数据。