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    • 3. 发明申请
    • CIRCUIT STRUCTURE
    • 电路结构
    • US20110032237A1
    • 2011-02-10
    • US12849144
    • 2010-08-03
    • Cheng-Nan Lin
    • Cheng-Nan Lin
    • G06F3/038
    • G09G3/3688G09G3/3275G09G2310/0289
    • A circuit structure suitable for coupling between a sample register and a digital-to-analog converter in a source driver circuit is disclosed. The circuit structure includes a multi-function switch circuit and a control unit. The multi-function switch circuit is coupled to an elevation voltage terminal and a system ground terminal. The multi-function switch circuit has a positive input pole, a negative input pole and a positive output pole. The control unit is coupled to the positive input pole and a negative input pole. The control unit selectively conducts a positive input signal and a negative input signal from the sample register to the positive input pole and the negative input pole respectively according to a latch control signal. Accordingly, the multi-function switch circuit of the invention has two functions of voltage shifting and data latching.
    • 公开了一种适用于在源极驱动器电路中的采样寄存器与数模转换器之间耦合的电路结构。 电路结构包括多功能开关电路和控制单元。 多功能开关电路耦合到高程电压端子和系统接地端子。 多功能开关电路具有正输入极,负输入极和正输出极。 控制单元耦合到正输入极和负输入极。 控制单元根据锁存控制信号有选择地将来自采样寄存器的正输入信号和负输入信号分别导向正输入极和负输入极。 因此,本发明的多功能开关电路具有电压移位和数据锁存的两个功能。
    • 5. 发明授权
    • Method of increasing operating speed of SRAM
    • 提高SRAM工作速度的方法
    • US06363005B1
    • 2002-03-26
    • US09801349
    • 2001-03-07
    • Cheng-Lieh WangCheng-Nan Lin
    • Cheng-Lieh WangCheng-Nan Lin
    • G11C1140
    • G11C11/412
    • A method of increasing the operating speed of an SRAM device. The SRAM device is constructed from a plurality of loads and a plurality of NMOS transistors. A positive voltage is applied to the substrate of the NMOS transistors when data needs to be read from the SRAM device or written to the SRAM device. The positive voltage increases the channel width between the source and the drain terminal of the NMOS transistors so that a higher current is produced and operating speed of the device is increased. An earth voltage is applied to the substrate when the SRAM device is in a standby mode to prevent current leakage.
    • 一种提高SRAM器件工作速度的方法。 SRAM器件由多个负载和多个NMOS晶体管构成。 当需要从SRAM器件读取数据或写入SRAM器件时,将正电压施加到NMOS晶体管的衬底。 正电压增加了NMOS晶体管的源极和漏极端子之间的沟道宽度,使得产生更高的电流并且器件的操作速度增加。 当SRAM器件处于待机模式时,将基极施加接地电压以防止电流泄漏。