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    • 10. 发明申请
    • CIRCUIT AND METHODS FOR ELIMINATING SKEW BETWEEN SIGNALS IN SEMICONDUCTOR INTEGRATED CIRCUIT
    • 用于消除半导体集成电路中信号之间的晶体管的电路和方法
    • US20080123454A1
    • 2008-05-29
    • US11770766
    • 2007-06-29
    • Seung-Jun BAEKwang-Il PARKSeong-Jin JANG
    • Seung-Jun BAEKwang-Il PARKSeong-Jin JANG
    • G11C7/02
    • G11C7/22G11C5/063G11C7/02G11C7/1006G11C7/1051G11C7/106G11C7/1078G11C7/1087G11C7/222
    • A circuit for eliminating a skew between data and a clock signal in an interface between a semiconductor memory device and a memory controller includes an edge information storage unit which stores edge information output from the semiconductor memory device, a pseudo data pattern generating unit which outputs pseudo data including a pattern similar to actually transmitted data, a phase detecting unit which receives the edge information from the edge information storage unit and the pseudo data from the pseudo data pattern generating unit to detect a phase difference between the data and the clock signal and generate a corresponding detection result, and a phase control unit which controls a phase of the clock signal according to the corresponding detection result from the phase detecting unit, so as to eliminate a per-data input/output pin skew in a data write and read operation of the semiconductor memory device.
    • 一种用于消除半导体存储器件和存储器控制器之间的接口中的数据与时钟信号之间的偏斜的电路,包括存储从半导体存储器件输出的边沿信息的边缘信息存储单元,伪数据模式生成单元,其输出伪 数据,包括与实际发送的数据类似的模式;相位检测单元,其从边缘信息存储单元接收边缘信息,并从伪数据模式产生单元接收伪数据,以检测数据和时钟信号之间的相位差,并产生 相应的检测结果,以及相位控制单元,其根据来自相位检测单元的相应检测结果控制时钟信号的相位,以便消除数据写入和读取操作中的每数据输入/输出引脚偏移 的半导体存储器件。