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    • 77. 发明公开
    • Integrated circuit device with automatic internal command function
    • Schaltungeinheit mit automatischer interner Befehlsfunktion
    • EP1610342A1
    • 2005-12-28
    • EP05018384.7
    • 2001-04-30
    • FUJITSU LIMITED
    • Matsuzaki, Yasurou
    • G11C11/406G11C11/4072
    • G11C11/406G11C11/40603G11C11/40615G11C11/40618G11C11/4072G11C11/4094G11C2211/4061G11C2211/4065
    • A memory circuit requiring refresh operations, comprising: a first circuit which receives a command (CMD) in synchronization with a clock signal (CK1), and which generates a first internal command (RD, WR) internally and a second circuit which generates a second internal command, e.g. a refresh command (REF), internally in a prescribed refresh cycle. An internal circuit, according to said first internal command (RD, WR), executes corresponding control through clock-synchronous operations, and when said refresh command (REF) is issued, sequentially executes control corresponding to the refresh command (REF) and control corresponding to said first internal command (RD, WR) through clock-asynchronous operations. When a refresh timing signal is generated, the refresh operation can be interrupted among external command operations.
    • 一种需要刷新操作的存储器电路,包括:第一电路,与时钟信号(CK1)同步地接收命令(CMD),并在内部产生第一内部命令(RD,WR),以及产生第二电路的第二电路 内部命令,例如 刷新命令(REF),在规定的刷新周期内部。 根据所述第一内部命令(RD,WR)的内部电路通过时钟同步操作执行相应的控制,并且当发出所述刷新命令(REF)时,顺序地执行与刷新命令(REF)相对应的控制,并且对应于 通过时钟异步操作到第一个内部命令(RD,WR)。 当产生刷新定时信号时,可以在外部命令操作之间中断刷新操作。