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    • 7. 发明授权
    • Clock stop and restart control to pipelined arithmetic processing units processing plurality of macroblock data in image frame per frame processing period
    • 对每帧处理周期的图像帧处理多个宏块数据的流水线运算处理单元进行时钟停止和重启控制
    • US08291256B2
    • 2012-10-16
    • US12278015
    • 2007-02-05
    • Masahiko YoshimotoKentaro KawakamiJun Takemura
    • Masahiko YoshimotoKentaro KawakamiJun Takemura
    • G06F1/04G06F15/80
    • G06F1/10G06F1/3203G06F1/3237Y02D10/128
    • A digital VLSI circuit is provided with functions in which the number of switching operations to supply electric power to each arithmetic operation unit is reduced in a restricted period of time while electric power supply is controlled for each arithmetic operation unit, so that low power consumption can be achieved in real pipe-line arithmetic operation. The VLSI circuit that performs each stage of the pipe-line arithmetic operation is comprised of a plurality of arithmetic operation units for carrying out arithmetic operations in synchronization with a clock signal, a detecting means for detecting completion of the stage in the arithmetic operation assigned to the arithmetic operation unit, and a clock signal supply control means for controlling supply/stop operation of the clock signal to each arithmetic operation unit, wherein the clock signal supply control means stops supplying the clock signal to a certain arithmetic operation unit when the detecting means detects the completion of the arithmetic operation assigned to the same, and restarts supplying the clock signal to all the arithmetic operation units for a next pipe-line arithmetic operation when the detecting means detects the completion of the arithmetic operations assigned to them.
    • 数字VLSI电路具有这样的功能,其中在每个算术运算单元控制电力供应时,在限制的时间段内减少向每个算术运算单元供电的开关操作次数,从而低功耗可以 在实际管线算术运算中实现。 执行管线算术运算的每个阶段的VLSI电路包括用于与时钟信号同步地执行算术运算的多个算术运算单元,检测装置,用于检测分配给 算术运算单元,以及时钟信号供给控制单元,用于控制对每个算术运算单元的时钟信号的供给/停止运行,其中,当所述检测单元检测到所述检测单元时,所述时钟信号供给控制单元停止向所述算术运算单元供给所述时钟信号 检测到分配给其的算术运算的完成,并且当检测装置检测到分配给它们的算术运算的完成时,重新开始向所有算术运算单元提供时钟信号用于下一个管线算术运算。
    • 9. 发明授权
    • Semiconductor integrated circuit device having a memory and an
operational unit integrated therein
    • 具有集成在其中的存储器和操作单元的半导体集成电路器件
    • US5379257A
    • 1995-01-03
    • US767767
    • 1991-09-30
    • Tetsuya MatsumuraHiroshi SegawaKazuya IshiharaShinichi UramotoMasahiko Yoshimoto
    • Tetsuya MatsumuraHiroshi SegawaKazuya IshiharaShinichi UramotoMasahiko Yoshimoto
    • G11C11/41G11C7/10G11C11/401G11C13/00
    • G11C7/1006G11C2207/104
    • A semiconductor integrated circuit device includes a memory cell array for storing data to be processed, and an operational unit for effecting a predetermined operation on the data read from the memory cell array. The memory cell array has first and second regions for storing first and second data words of first and second groups. The first data words and second data words each include a plurality of data bits. The first region includes a plurality of bit arrays for storing data bits of the same digit in the first data words, and the second region includes a plurality of bit arrays for storing data bite of the same digit in the second data words. The bit arrays of the first and second groups are arranged alternately in the order of digits of the data words. The bit arrays storing the data bits of the same digit form one subarray. The data bits in one data word are stored in the same positions of the bit arrays. The operational unit includes operational circuits each corresponding to one of the subarrays. Each operational circuit effects the predetermined operation on the data read from the two bit arrays in the corresponding subarray. Each bit array has selectors responsive to external addresses to select one column from each bit array and connect this column to a corresponding operational circuit.
    • 半导体集成电路装置包括用于存储要处理的数据的存储单元阵列和用于对从存储单元阵列读取的数据进行预定操作的操作单元。 存储单元阵列具有用于存储第一和第二组的第一和第二数据字的第一和第二区域。 第一数据字和第二数据字各自包括多个数据位。 第一区域包括用于存储第一数据字中相同数位的数据位的多个位阵列,并且第二区域包括用于存储第二数据字中相同数字的数据位的多个位数组。 第一组和第二组的位阵列以数据字的数位顺序交替排列。 存储相同数位数据位的位数组形成一个子阵列。 一个数据字中的数据位存储在位阵列的相同位置。 操作单元包括各自对应于一个子阵列的操作电路。 每个操作电路对从相应子阵列中的两个位阵列读取的数据执行预定的操作。 每个位阵列具有响应于外部地址的选择器,从每个位阵列中选择一个列,并将该列连接到相应的运算电路。
    • 10. 发明授权
    • Semiconductor memory device having redundancy and capable of
sequentially selecting memory cell lines
    • 半导体存储器件具有冗余并且能够顺序地选择存储器单元线
    • US5053999A
    • 1991-10-01
    • US500328
    • 1990-03-28
    • Tetsuya MatsumuraMasahiko Yoshimoto
    • Tetsuya MatsumuraMasahiko Yoshimoto
    • G06F5/00G11C29/00
    • G11C29/70G11C29/86G06F5/00
    • First-In First-Out (FIFO) memory device is disclosed. A ring pointer circuit sequentially and repeatedly selects memory cells in a memory cell array. When it is detected that a defective memory cell exists on a memory cell row, selection of that memory cell row is invalidated by the ring pointer circuit by cutting off a laser trimming line. In addition, by selectively cutting off laser trimming lines in a switching circuit and a redundancy ring pointer circuit, a redundancy memory cell row is selectively added in place of the defective memory cell row. Accordingly, stages required for the ring pointer circuit are maintained. In other words, the FIFO memory device having a defective memory cell is saved, resulting in improvement in yield in the manufacture.
    • 先进先出(FIFO)存储器件被公开。 环形指针电路依次重复地选择存储单元阵列中的存储单元。 当检测到存储单元行中存在有缺陷的存储单元时,通过切断激光修整线,通过环形指针电路对该存储单元行的选择无效。 此外,通过选择性地切断开关电路和冗余环形指针电路中的激光微调线,选择性地添加冗余存储单元行来代替有缺陷的存储单元行。 因此,保持环形指针电路所需的阶段。 换句话说,具有缺陷存储单元的FIFO存储器件被保存,从而提高了制造中的产量。