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    • 3. 发明申请
    • APPARATUS AND METHOD FOR REPAIRING A SEMICONDUCTOR MEMORY
    • 用于修复半导体存储器的装置和方法
    • WO2007005218A1
    • 2007-01-11
    • PCT/US2006/023219
    • 2006-06-14
    • MICRON TECHNOLOGY, INC.MARTIN, Chris, G.MANNING, Troy, A.KEETH, Brent
    • MARTIN, Chris, G.MANNING, Troy, A.KEETH, Brent
    • G11C29/00
    • G11C17/165G11C29/4401G11C29/789G11C29/802G11C29/808G11C2029/4402
    • An apparatus and method for repairing a semiconductor memory device includes a first memory cell array, a first redundant cell array and a repair circuit configured to nonvolatilely store a first address designating at least one defective memory cell in the first memory cell array. A first volatile cache stores a first cached address corresponding to the first address designating the at least one defective memory cell. The repair circuit distributes the first address designating the at least one defective memory cell of the first memory cell array to the first volatile cache. Match circuitry substitutes at least one redundant memory cell from the first redundant cell array for the at least one defective memory cell in the first memory cell array when a first memory access corresponds to the first cached address.
    • 用于修复半导体存储器件的装置和方法包括:第一存储单元阵列,第一冗余单元阵列和修复电路,被配置为在第一存储单元阵列中非易失性地存储指定至少一个有缺陷的存储单元的第一地址。 第一易失性高速缓存存储对应于指定所述至少一个有缺陷的存储器单元的第一地址的第一高速缓存地址。 修复电路将指定第一存储单元阵列的至少一个缺陷存储单元的第一地址分配给第一易失性高速缓存。 当第一存储器访问对应于第一高速缓存地址时,匹配电路将来自第一冗余单元阵列的至少一个冗余存储单元替换为第一存储单元阵列中的至少一个有缺陷的存储单元。
    • 8. 发明申请
    • BURST EDO MEMORY DEVICE ADDRESS COUNTER
    • BURST EDO存储设备地址计数器
    • WO1996020479A1
    • 1996-07-04
    • PCT/US1995016656
    • 1995-12-21
    • MICRON TECHNOLOGY, INC.
    • MICRON TECHNOLOGY, INC.ONG, Adrian, E.ZAGAR, Paul, S.WILLIAMS, Brett, L.MANNING, Troy, A.
    • G11C07/00
    • G11C7/109G11C7/1021G11C7/1024G11C7/1039G11C7/1045G11C7/1078G11C7/1096G11C7/22G11C11/407
    • An integrated memory circuit is described which has a counter for producing a sequential or interleaved address sequence. The addresses produced are used to access memory elements in a Burst Extended Data Output Dynamic Random Access Memory (Burst EDO or BEDO DRAM). The address is changed in response to a rising edge of a column address signal (CAS*). The memory also includes a buffer circuit which latches the output of the address counter in response to the falling edge of the column address signal. Memory cells are accessed in a burst manner on the falling edge of the column address signal using the address latched in the buffer. The memory includes a generator circuit for generating an internal control signal based upon external column address signals. The generator circuit detects the first active transition of the column address signals and the first inactive transition of the column address signals. Outputs of the counter are compared with outputs of an input address latch to detect the end of a burst sequence and initialize the device for another burst access.
    • 描述了具有用于产生顺序或交错地址序列的计数器的集成存储器电路。 所产生的地址用于访问突发扩展数据输出动态随机存取存储器(Burst EDO或BEDO DRAM)中的存储器元件。 响应于列地址信号(CAS *)的上升沿改变地址。 存储器还包括缓冲电路,其响应于列地址信号的下降沿而锁存地址计数器的输出。 使用缓冲器中锁存的地址,在列地址信号的下降沿以突发方式访问存储单元。 存储器包括用于基于外部列地址信号产生内部控制信号的发生器电路。 发生器电路检测列地址信号的第一有效转换和列地址信号的第一无效转换。 将计数器的输出与输入地址锁存器的输出进行比较,以检测突发序列的结束,并初始化设备以进行另一个突发存取。