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    • 6. 发明授权
    • Integrated circuits and methods with statistics-based input data signal sample timing
    • 集成电路和方法采用基于统计的输入数据信号采样时序
    • US07508893B1
    • 2009-03-24
    • US11092032
    • 2005-03-29
    • Zhonghai GanYefei Sun
    • Zhonghai GanYefei Sun
    • H04L7/00
    • H04L7/0338G11C27/02H04L7/0008
    • An integrated circuit device includes a data input configured to receive a data signal and a clock input configured to receive a clock signal associated with the data signal. The device further includes a sample timing circuit coupled to the clock input and the data input and configured to generate a statistical measure of timing of the data signal and to identify a sample timing for the data signal based on the generated statistical measure. The sample timing circuit may be configured to generate samples of the data signal at a rate higher than a rate of the clock signal, and to generate the statistical measure of timing of the data signal from the data signal samples.
    • 集成电路装置包括被配置为接收数据信号的数据输入和被配置为接收与数据信号相关联的时钟信号的时钟输入。 该装置还包括与时钟输入和数据输入耦合的采样定时电路,并被配置为产生数据信号的定时的统计测量,并且基于产生的统计测量来识别数据信号的采样定时。 采样定时电路可以被配置为以比时钟信号的速率高的速率生成数据信号的采样,并且从数据信号样本生成数据信号的定时的统计测量。