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    • 8. 发明申请
    • SYSTEM AND METHOD FOR REFRESHING A DRAM DEVICE
    • 用于刷新DRAM器件的系统和方法
    • US20080031069A1
    • 2008-02-07
    • US11872675
    • 2007-10-15
    • Lee-Lean SHUStephen Lee
    • Lee-Lean SHUStephen Lee
    • G11C7/00
    • G11C11/406G11C11/40603G11C11/40611
    • The present invention provides a system and method for refreshing a DRAM device without interrupting or inhibiting read and write operations of the DRAM device. The system may includes refresh control circuitry that selectively generates requests to perform refresh operations and a refresh address counter that is coupled to the refresh control circuitry and that generates a refresh address in response to receiving a refresh request. The refresh address corresponds to a word line of the DRAM array to be refreshed. Address control and switching circuitry may be coupled to the refresh control circuitry. The address control and switching circuitry selectively transmits read/write addresses and refresh addresses to the DRAM array, in order to perform refresh operations on the DRAM array without inhibiting read and write operations.
    • 本发明提供了一种用于刷新DRAM器件而不中断或禁止DRAM器件的读和写操作的系统和方法。 系统可以包括选择性地产生执行刷新操作的请求的刷新控制电路和耦合到刷新控制电路的刷新地址计数器,并且响应于接收到刷新请求而产生刷新地址。 刷新地址对应于要刷新的DRAM阵列的字线。 地址控制和切换电路可以耦合到刷新控制电路。 地址控制和切换电路选择性地将读/写地址和刷新地址发送到DRAM阵列,以便对DRAM阵列执行刷新操作,而不会妨碍读和写操作。