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    • 71. 发明专利
    • Phase adjustment circuit
    • 相位调整电路
    • JP2007110323A
    • 2007-04-26
    • JP2005297742
    • 2005-10-12
    • Matsushita Electric Ind Co Ltd松下電器産業株式会社
    • IWATA TORU
    • H03L7/081H03L7/08H03L7/087H04L7/02
    • H03L7/0814H03L7/07H03L7/0805H03L7/0812H04L7/0037H04L7/0337
    • PROBLEM TO BE SOLVED: To achieve a phase adjustment circuit for adjusting the phase relationship between data and delay clock signals optimally regardless of the level of a data rate. SOLUTION: The phase adjustment circuit adjusts the phase between the data signal Data and a clock signal CLK discretely. The phase adjustment circuit comprises a delay line 10A for delaying the clock signal CLK to generate a delay clock signal Rclk; a phase comparator 20 for comparing the phase of the data signal Data with that of the delay clock signal CLK; a delay control unit 30 for outputting a delay control signal SSx, based on the result of comparison by the phase comparator 20; and a delay control unit 40A for outputting a delay control signal RSx, based on the frequency of the clock signal CLK. In this case, the delay line 10A determines the amount of delay in the delay clock signal to the clock signal based on the control signal. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了实现用于最佳地调整数据和延迟时钟信号之间的相位关系的相位调整电路,而不管数据速率的水平如何。

      解决方案:相位调整电路分别调整数据信号Data与时钟信号CLK之间的相位。 相位调整电路包括延迟线10A,用于延迟时钟信号CLK以产生延迟时钟信号Rclk; 相位比较器20,用于将数据信号Data的相位与延迟时钟信号CLK的相位进行比较; 延迟控制单元30,用于根据相位比较器20的比较结果输出延迟控制信号SSx; 以及延迟控制单元40A,用于基于时钟信号CLK的频率输出延迟控制信号RSx。 在这种情况下,延迟线10A基于控制信号确定延迟时钟信号对时钟信号的延迟量。 版权所有(C)2007,JPO&INPIT

    • 72. 发明专利
    • Semiconductor device
    • 半导体器件
    • JP2006128221A
    • 2006-05-18
    • JP2004311422
    • 2004-10-26
    • Fujitsu Ltd富士通株式会社
    • TSUTSUMI AKIMICHISHINKAWA KIYOSHIHABA MITSUOAKAHA YUICHI
    • H01L21/822H01L27/04H03K5/00
    • H04L7/02H04L7/0037
    • PROBLEM TO BE SOLVED: To provide a semiconductor device capable of correctly receiving data by correcting signal delay at the input/output interface of a chip after the chip is mounted on a board for wiring between chips.
      SOLUTION: The semiconductor device comprises a timing correction circuit which is coupled to an external terminal to which an input data signal is supplied, and latches one signal according to the other signal at a plurality of relative latch timings where relative timings between an input data signal and an internal clock signal are made different stepwise. It also comprises a latch circuit which is coupled to the timing correction circuit for latching the input data signal at an optimum relative latch time.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种半导体器件,其能够通过在将芯片安装在用于芯片之间布线的板上的芯片的输入/输出接口上校正信号延迟来正确地接收数据。 解决方案:半导体器件包括定时校正电路,该定时校正电路耦合到提供输入数据信号的外部端子,并且在多个相对锁存器定时中根据另一信号锁存一个信号,其中相对定时 输入数据信号和内部时钟信号逐步变化。 它还包括一个锁存电路,该锁存电路耦合到定时校正电路,用于在最佳相对锁存时间内锁存输入数据信号。 版权所有(C)2006,JPO&NCIPI