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    • 4. 发明授权
    • Voltage reducing circuit
    • 降压电路
    • US08570098B2
    • 2013-10-29
    • US13569247
    • 2012-08-08
    • Toshikatsu Jinbo
    • Toshikatsu Jinbo
    • G05F1/10
    • G05F1/565
    • A voltage reducing circuit includes an internal power supply section configured to reduce an external power supply voltage supplied from an external power supply to an internal power supply voltage which is lower than the external power supply voltage based on a reference voltage. A first current control section is configured to control a current flowing through the internal power supply section when the internal power supply voltage is lower than a setting voltage. A second current control section is configured to control the current flowing through the internal power supply section when the internal power supply voltage exceeds the setting voltage.
    • 电压降低电路包括:内部电源部,被配置为基于参考电压将从外部电源提供的外部电源电压降低到低于外部电源电压的内部电源电压。 第一电流控制部被配置为当内部电源电压低于设定电压时,控制流过内部电源部的电流。 第二电流控制部被配置为当内部电源电压超过设定电压时,控制流过内部电源部的电流。
    • 5. 发明申请
    • Semiconductor device and method of supplying internal power to semiconductor device
    • 向半导体器件提供内部电力的半导体器件和方法
    • US20100085088A1
    • 2010-04-08
    • US12585499
    • 2009-09-16
    • Toshikatsu Jinbo
    • Toshikatsu Jinbo
    • H03L7/00
    • G06F1/24
    • Provided is a semiconductor device including a step-down circuit group including multiple step-down circuits that step down an external power supply voltage to a predetermined voltage; multiple functional circuits that require a reset operation upon power-on; and a power-on reset circuit that outputs a reset command to the multiple functional circuits, when an internal power supply voltage supplied from the step-down circuit group exceeds a voltage level necessary for an initialization operation. The multiple step-down circuits of the step-down circuit group are classified into a startup operating step-down circuit group that performs a step-down operation from power-on to supply the internal power supply voltage, and a startup non-operating step-down circuit group that stops operation upon power-on to interrupt supply of the internal power supply voltage. The startup non-operating step-down circuit group includes the multiple step-down circuits sequentially selected from one having a shortest wiring distance from the power-on reset circuit.
    • 提供一种包括降压电路组的半导体器件,包括将外部电源电压降低到预定电压的多个降压电路; 上电时需要复位操作的多个功能电路; 以及当从降压电路组提供的内部电源电压超过初始化操作所需的电压电平时,向多个功能电路输出复位指令的上电复位电路。 降压电路组的多个降压电路分为启动操作降压电路组,其从上电执行降压操作以提供内部电源电压,以及启动非操作步骤 断电电路组在上电时停止工作,中断内部电源电压供电。 启动非操作降压电路组包括从具有与上电复位电路相距最短布线距离的多个降压电路中顺次选择的多个降压电路。
    • 8. 发明授权
    • Memory element exchange control circuit capable of automatically
refreshing a defective address
    • 能够自动刷新缺陷地址的存储元件交换控制电路
    • US4947378A
    • 1990-08-07
    • US194615
    • 1988-05-16
    • Toshikatsu JinboHiroyuki Kobatake
    • Toshikatsu JinboHiroyuki Kobatake
    • G11C16/06G11C17/00G11C29/00G11C29/04
    • G11C29/789
    • A redundant address memory circuit is used in a memory element exchange circuit associated to a memory matrix composed of FAMOS memory cells and provided with a redundant memory array composed of FAMOS memory cells. The redundant address memory circuit comprises a FAMOS memory cell for storing a defective address, and an output circuit connected to the defective address storing FAMOS memory cell for generating an output signal corresponding to the content of the defective address storing FAMOS memory cell. In addition, there is provided a circuit connected to the defective address storing FAMOS memory cell and to the output circuit for receiving the content of the defective address storing FAMOS memory cell through the output circuit so as to write the content of the defective address storing FAMOS memory cell into the defective address storing FAMOS memory cell when a new data is written to the memory matrix.
    • 冗余地址存储器电路用于与由FAMOS存储器单元组成的存储器矩阵相关联并且具有由FAMOS存储器单元组成的冗余存储器阵列的存储元件交换电路。 冗余地址存储器电路包括用于存储缺陷地址的FAMOS存储单元,以及连接到存储FAMOS存储单元的缺陷地址的输出电路,用于产生与存储FAMOS存储单元的缺陷地址的内容相对应的输出信号。 此外,提供了连接到不良地址存储FAMOS存储单元的电路和输出电路,用于通过输出电路接收存储FAMOS存储单元的缺陷地址的内容,以便写入存储FAMOS的缺陷地址的内容 当将新数据写入存储器矩阵时,存储器单元进入存储FAMOS存储单元的缺陷地址。