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    • 4. 发明授权
    • Semiconductor memory device
    • 半导体存储器件
    • US06452833B2
    • 2002-09-17
    • US09773606
    • 2001-02-02
    • Hironobu AkitaKenji TsuchidaFumihiro Kohno
    • Hironobu AkitaKenji TsuchidaFumihiro Kohno
    • G11C1124
    • G11C7/12G11C11/4094
    • A BL kicker circuit includes first capacitors each of which is connected at one end to a first bit line which is one of bit lines of a corresponding pair and commonly connected at the other end, second capacitors each of which is connected at one end to a second bit line which is the other one of the bit lines of a corresponding pair and commonly connected at the other end, a first driver circuit having an output node for a first signal connected to the common connection node of the other ends of the first capacitors, a second drive circuit having an output node for a second signal connected to the common connection node of the other ends of the second capacitors, and a switch circuit used as an equalizing circuit connected between the output node for the first signal and the output node for the second signal.
    • BL激光电路包括第一电容器,每个电容器的一端连接到第一位线,第一位线是相应对的位线之一,并且在另一端共同连接,第二电容器的一端连接到一端 第二位线,其是相应对中的另一个位线并且在另一端共同连接,第一驱动器电路具有用于连接到第一电容器的另一端的公共连接节点的第一信号的输出节点 具有连接到第二电容器的另一端的公共连接节点的第二信号的输出节点的第二驱动电路和用作连接在第一信号的输出节点和输出节点之间的均衡电路的开关电路 对于第二个信号。
    • 6. 发明授权
    • Semiconductor memory and data read method of the same
    • 半导体存储器和数据读取方法相同
    • US07248520B2
    • 2007-07-24
    • US11297380
    • 2005-12-09
    • Fumihiro Kohno
    • Fumihiro Kohno
    • G11C7/00
    • G11C7/12G11C11/413
    • A semiconductor memory having memory cells each storing first data and second data in a memory cell array arranged in a column direction; a plurality of word lines connected to the memory cells in a row direction; and first and second bit lines, to which the first and second data are respectively read out, in the column direction. When one of the first and second bit lines changes from a first potential to a second potential lower than the first potential after data read out, the potential of the other bit line is changed from the second to the first potential, and if the electric potential of the selected bit line changes from the first to the second potential when data is read out, the other bit line is selected when the data is next read out, and, if the electric potential of the selected bit line maintains the first potential, the selected bit line is maintained selected even when the data is to be read out next.
    • 一种具有存储单元的半导体存储器,每个存储单元存储沿列方向布置的存储单元阵列中的第一数据和第二数据; 在行方向连接到存储单元的多个字线; 以及在列方向上分别读出第一和第二数据的第一和第二位线。 当数据读出之后,当第一和第二位线之一从第一电位变为低于第一电位的第二电位时,另一位线的电位从第二电位变为第一电位,如果电位 当数据被读出时,所选位线从第一电位变为第二电位,当下一次读出数据时选择另一位线,如果选定位线的电位保持第一电位,则 即使下一次要读出数据,仍选择所选择的位线。
    • 9. 发明申请
    • Semiconductor memory and data read method of the same
    • 半导体存储器和数据读取方法相同
    • US20060203583A1
    • 2006-09-14
    • US11297380
    • 2005-12-09
    • Fumihiro Kohno
    • Fumihiro Kohno
    • G11C7/00
    • G11C7/12G11C11/413
    • According to the present invention, there is provided a semiconductor memory having: a memory cell array in which a plurality of memory cells each holding data made up of first data and second data are arranged at least along a column direction; a plurality of word lines running along a row direction in the memory cell array, and connected to the memory cells; a first bit line which runs along the column direction in the memory cell array and is connected to the memory cells, and to which the first data is read out from the memory cell when the data is read out from the memory cell; a second bit line which runs along the column direction in the memory cell array and is connected to the memory cells, and to which the second data is read out from the memory cell when the data is read out from the memory cell; a bit line precharge unit which, when detecting that an electric potential of one of the first and second bit lines changes from a first potential to a second potential lower than the first potential after the data is read out from the memory cell, changes an electric potential of the other bit line from the second potential to the first potential; and a bit line selector which, if the electric potential of the selected one of the first and second bit lines changes from the first potential to the second potential when the data is read out, selects the other bit line when the data is to be read out next, and, if the electric potential of the selected one of the first and second bit lines maintains the first potential, keeps selecting the selected bit line even when the data is to be read out next.
    • 根据本发明,提供了一种半导体存储器,其具有:存储单元阵列,其中,至少沿列方向布置多个存储单元,每个存储单元保持由第一数据和第二数据构成的数据; 在存储单元阵列中沿着行方向延伸并连接到存储单元的多个字线; 第一位线沿着存储单元阵列中的列方向延伸并连接到存储单元,并且当从存储单元读出数据时从存储单元读出第一数据; 第二位线,沿着存储单元阵列中的列方向延伸并连接到存储单元,并且当从存储单元读出数据时,从存储单元读出第二数据; 位线预充电单元,当从存储单元读出数据之后,当检测到第一和第二位线中的一个的电位从第一电位变为低于第一电位的第二电位时, 另一个位线从第二个电位到第一个电位的电位; 以及位线选择器,如果当读出数据时第一和第二位线中所选择的一个电位从第一电位变为第二电位,则当数据被读取时选择另一个位线 并且如果所选择的第一位和第二位线之一的电位保持第一电位,则即使在接下来要读出数据时也继续选择所选择的位线。
    • 10. 发明申请
    • SEMICONDUCTOR MEMORY DEVICE USED FOR CACHE MEMORY
    • 用于缓存存储器的半导体存储器件
    • US20050083719A1
    • 2005-04-21
    • US10736849
    • 2003-12-17
    • Fumihiro Kohno
    • Fumihiro Kohno
    • G06F12/08G11C11/41G11C15/00G11C15/04
    • G11C15/04
    • A data memory circuit having divided several cache lines storing data, and several entries, and a tag circuit, are provided. The tag circuit having an array of an associative memory including a memory cell circuit having several memory cells storing address corresponding to the data stored in the data memory circuit and divided several rows, and a comparator circuit comparing the address stored in the memory cell circuit with input address, the comparator circuit comparing the address stored in divided several rows of the memory cell circuit with the input address concurrently in each of divided rows storing the address, and generating a cache hit/miss determination signal based on the comparative result of each row, the hit/miss determination signal being supplied to the data memory circuit.
    • 提供了分割存储数据的多个高速缓存行和数个条目以及标签电路的数据存储电路。 所述标签电路具有包括存储单元电路的存储单元电路阵列的存储单元电路,所述存储单元电路具有多个存储单元,存储与存储在所述数据存储电路中的数据相对应的地址,并分割数行;以及比较器电路,将存储单元电路中存储的地址 输入地址,所述比较器电路将存储单元电路的划分的多行的地址与存储该地址的每个分割行中的输入地址同时地进行比较,并且基于每行的比较结果生成高速缓存命中/未命中确定信号 ,命中/未命中确定信号被提供给数据存储电路。