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    • 66. 发明申请
    • RECEIVER CIRCUIT OF SEMICONDUCTOR MEMORY APPARATUS
    • 半导体存储器接收器电路
    • US20090059703A1
    • 2009-03-05
    • US12172108
    • 2008-07-11
    • Tae Jin HwangYong Ju KimHee Woong SongIc Su OhHyung Soo KimHae Rang ChoiJi Wang Lee
    • Tae Jin HwangYong Ju KimHee Woong SongIc Su OhHyung Soo KimHae Rang ChoiJi Wang Lee
    • G11C7/00
    • G11C7/1078G11C7/1084G11C7/1087G11C7/1093G11C7/22G11C7/222
    • A receiver circuit is described herein, comprising a first data determining unit configured to detect and amplify a voltage level difference between first and second external data and generate first and second sense signals and to generate first internal data in response to the first and second sense signals, a first offset control unit configured to generate first and second offset signals in response to the first and second sense signals, the first and second offset signals swinging between a maximum voltage level and a minimum voltage level determined based on a first code, a second data determining unit configured to detect and amplify the voltage level difference between the first and second external data to generate third and fourth sense signals and to generate second internal data in response to the third and fourth sense signals; and a second offset control unit for generating third and fourth offset signals in response to the third and fourth sense signals, the third and fourth offset signals swinging between a maximum voltage level and a minimum voltage level determined based on a second code, wherein the first data determining unit is configured to determine setup time and hold time of the first internal data in response to the third and fourth offset signals, and wherein the second data determining unit is configured to determine setup time and hold time of the second internal data in response to the first and second offset signals.
    • 本文描述了一种接收器电路,包括:第一数据确定单元,被配置为检测和放大第一和第二外部数据之间的电压电平差,并产生第一和第二感测信号,并响应于第一和第二感测信号产生第一内部数据 第一偏移控制单元,被配置为响应于第一和第二感测信号产生第一和第二偏移信号,第一和第二偏移信号在基于第一代码确定的最大电压电平和最小电压电平之间摆动,第二偏移控制单元 数据确定单元,被配置为检测和放大第一和第二外部数据之间的电压电平差,以产生第三和第四感测信号,并响应于第三和第四感测信号产生第二内部数据; 以及第二偏移控制单元,用于响应于第三和第四感测信号产生第三和第四偏移信号,第三和第四偏移信号在基于第二代码确定的最大电压电平和最小电压电平之间摆动,其中第一和第二偏移信号 数据确定单元被配置为响应于第三和第四偏移信号来确定第一内部数据的建立时间和保持时间,并且其中第二数据确定单元被配置为响应于确定第二内部数据的建立时间和保持时间 到第一和第二偏移信号。