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    • 22. 发明申请
    • SIMULATION SYSTEM AND COMPUTER PRODUCT
    • 模拟系统和计算机产品
    • US20090259452A1
    • 2009-10-15
    • US12490510
    • 2009-06-24
    • Atsushi TAKEUCHI
    • Atsushi TAKEUCHI
    • G06F17/50
    • G06F17/5036
    • A simulation system includes electromagnetic field analyzing units that execute electromagnetic field analysis with respect to electromagnetic field analysis areas obtained by division of an area to be analyzed into the electromagnetic field analysis areas; one or more circuit analyzing units that execute circuit analysis with respect to a circuit unit in the area to be analyzed; and an aggregating unit that aggregates, from the electromagnetic field analyzing units, data for the circuit analysis by the one or more circuit analyzing units and transmits the data to the circuit analyzing units. The simulation system links plural processing units that mutually exchange data.
    • 模拟系统包括电磁场分析单元,其对通过将要分析的区域划分为电磁场分析区域而获得的电磁场分析区域进行电磁场分析; 对要分析的区域中的电路单元执行电路分析的一个或多个电路分析单元; 以及聚集单元,其从所述电磁场分析单元聚集由所述一个或多个电路分析单元进行电路分析的数据,并将所述数据发送到所述电路分析单元。 仿真系统链接相互交换数据的多个处理单元。
    • 25. 发明申请
    • VOLTAGE SUPPLY CIRCUIT AND SEMICONDUCTOR MEMORY
    • 电压电路和半导体存储器
    • US20090086555A1
    • 2009-04-02
    • US12261916
    • 2008-10-30
    • Atsushi TAKEUCHI
    • Atsushi TAKEUCHI
    • G11C5/14G11C7/00
    • G11C11/4074G11C5/14G11C7/12G11C11/4094G11C2207/2227
    • Each of first and second differential amplifiers has a function of increasing a bias current in response to the activation of a drivability control signal. A first driving circuit connects an output node to a high power supply line in response to the activation of an output signal of the first differential amplifier, and connects the output node to a low power supply line in response to the activation of an output signal of the second differential amplifier. Only during the activation period of the drivability control signal, a second driving circuit connects the output node to the high power supply line in response to the activation of the output signal of the first differential amplifier, and connects the output node to the low power supply line in response to the activation of the output signal of the second differential amplifier.
    • 第一和第二差分放大器中的每一个具有响应于驾驶性能控制信号的激活而增加偏置电流的功能。 响应于第一差分放大器的输出信号的激活,第一驱动电路将输出节点连接到高电源线,并且响应于激活输出信号的输出信号而将输出节点连接到低电源线 第二个差分放大器。 仅在驾驶员控制信号的激活期间,响应于第一差分放大器的输出信号的激活,第二驱动电路将输出节点连接到高电源线,并将输出节点连接到低电源 响应于第二差分放大器的输出信号的激活。
    • 26. 发明申请
    • INTERNAL POWER-SUPPLY CIRCUIT
    • 内部电源电路
    • US20090039950A1
    • 2009-02-12
    • US12187881
    • 2008-08-07
    • Atsushi TAKEUCHI
    • Atsushi TAKEUCHI
    • G05F3/02
    • G11C29/12G11C5/145G11C11/401G11C29/06G11C29/12005
    • An internal power-supply circuit generates an internal voltage based on a reference voltage, and has an external-power-supply terminal to which an external power-supply voltage having a first potential is applied during a normal operation and an external power-supply voltage having a second potential that is higher than the first potential is applied during a burn-in acceleration test, a reference-voltage generating unit for generating the reference voltage from the external power-supply voltage, and an internal-voltage generating unit for generating the internal voltage based on the reference voltage. The reference-voltage generating unit generates, during the normal operation, a normal reference voltage that is independent of the potential of the external power-supply voltage and generates, during the burn-in acceleration test, a first burn-in reference voltage that is dependent on the potential of the external power-supply voltage and a second burn-in reference voltage that has the same potential as the normal reference voltage.
    • 内部电源电路基于参考电压产生内部电压,并且具有在正常操作期间施加具有第一电位的外部电源电压的外部电源端子和外部电源电压 在老化加速试验中施加高于第一电位的第二电位的基准电压产生单元,用于从外部电源电压产生参考电压;以及内部电压产生单元,用于产生 基于参考电压的内部电压。 参考电压产生单元在正常操作期间产生与外部电源电压的电位无关的正常参考电压,并且在老化加速度测试期间产生第一老化参考电压 取决于外部电源电压的电位和与正常参考电压具有相同电位的第二老化参考电压。
    • 27. 发明申请
    • TEMPERATURE SENSOR CIRCUIT AND CALIBRATION METHOD THEREOF
    • 温度传感器电路及其校准方法
    • US20080259990A1
    • 2008-10-23
    • US12144167
    • 2008-06-23
    • Atsushi TAKEUCHI
    • Atsushi TAKEUCHI
    • G01K15/00G01K7/00
    • G01K15/00G01K7/01
    • A temperature sensor circuit comprises a first monitor voltage generation circuit that generates a first monitor voltage with a characteristic that changes with respect to temperature; a second monitor voltage generation circuit that generates a second monitor voltage with a characteristic that changes by a variation amount different from the first monitor voltage with respect to the temperature; and a differential amplifier circuit, to which the first and second monitor voltages are inputted and that outputs the result of comparing the two voltages. Further, the differential amplifier circuit of the temperature sensor circuit is capable of switching to a first connection state, which outputs the comparison result, and to a second connection state, which outputs an offset monitor voltage that is rendered by adding the offset voltage of the differential amplifier circuit to the first or second monitor voltage or subtracting the offset voltage therefrom.
    • 温度传感器电路包括:第一监视电压产生电路,其生成具有相对于温度变化的特性的第一监视电压; 第二监视电压产生电路,其产生具有相对于所述温度改变与所述第一监视电压不同的变化量的特性的第二监视电压; 以及输入第一和第二监视电压并输出比较两个电压的结果的差分放大器电路。 此外,温度传感器电路的差分放大电路能够切换到输出比较结果的第一连接状态,并输出到第二连接状态,该第二连接状态输出通过将 差分放大器电路到第一或第二监视电压或从其中减去偏移电压。