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    • 6. 发明授权
    • Semiconductor device and method of controlling the same
    • 半导体装置及其控制方法
    • US08237469B2
    • 2012-08-07
    • US12871529
    • 2010-08-30
    • Toshio YamadaKazuo TanakaAkinobu WatanabeShigeru YamamotoYukio Hiraiwa
    • Toshio YamadaKazuo TanakaAkinobu WatanabeShigeru YamamotoYukio Hiraiwa
    • H03K19/094
    • H03K3/356165H03K3/012H03K3/356182H03K19/018507
    • A pull-up circuit prevents generation of a leak current if a difference of potentials occurs between a power source voltage of a pull-up circuit (a bus-hold circuit) and an input terminal. A control terminal is provided in the bus-hold circuit. Inputs of the input terminal and the control terminal are input to a NOR gate, and an output of the NOR gate is input to a gate terminal of a first MOSFET that controls coupling between an input terminal and the power source voltage of the bus-hold circuit. A second MOSFET (“control” MOSFET) is provided as a switch that operates by an inverted output of the control terminal. By coupling the first MOSFET and the control MOSFET in series, the coupling between the input terminal and the power source voltage is controlled with a higher precision, thereby preventing generation of a leak current.
    • 如果在上拉电路(总线保持电路)的电源电压和输入端子之间发生电位差,则上拉电路防止产生泄漏电流。 总线保持电路中设置有控制端子。 输入端子和控制端子的输入被输入到或非门,并且NOR门的输出被输入到控制输入端子和总线保持电源电压之间的耦合的第一MOSFET的栅极端子 电路。 提供第二个MOSFET(“控制”MOSFET)作为通过控制端子的反相输出操作的开关。 通过串联耦合第一个MOSFET和控制MOSFET,可以以更高的精度控制输入端子和电源电压之间的耦合,从而防止漏电流的产生。
    • 8. 发明授权
    • Semiconductor integrated circuit and method of manufacturing of semiconductor integrated circuit
    • 半导体集成电路及半导体集成电路制造方法
    • US06762969B2
    • 2004-07-13
    • US10346097
    • 2003-01-17
    • Toshio SasakiToshio Yamada
    • Toshio SasakiToshio Yamada
    • G11C700
    • G11C29/802G11C16/0441G11C29/02G11C29/021G11C29/028G11C29/12005G11C2029/1208G11C2029/4402H01L27/115H01L2223/5444
    • A semiconductor integrated circuit makes use of nonvolatile memory cells of a fuse circuit connected to a dedicated signal line without using a nonvolatile memory intended for general purpose use, which is connected to a common bus, in order to store control information for defect relief and the like of circuit modules. The reliability of storage of the control information is not limited to the performance of storage of information in the nonvolatile memory intended for general purpose use, and the reliability of storage of the control information can be easily enhanced. Since a second wiring used in the transfer of the control information is of a wiring dedicated for its transfer, it needs not perform switching between connections to circuit portions used for actual operations in the circuit modules and their control. A circuit configuration for delivering the control information can be simplified.
    • 半导体集成电路使用连接到专用信号线的熔丝电路的非易失性存储单元,而不使用连接到公共总线的旨在用于通用的非易失性存储器,以便存储用于缺陷消除的控制信息,并且 像电路模块一样。 控制信息的存储的可靠性不限于旨在用于通用目的的非易失性存储器中的信息的存储性能,并且可以容易地增强控制信息的存储的可靠性。 由于用于传送控制信息的第二布线是专用于其传送的布线,所以不需要在用于电路模块中的实际操作的电路部分的连接和它们的控制之间进行切换。 可以简化用于传送控制信息的电路配置。