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    • 1. 发明专利
    • Semiconductor integrated circuit device
    • 半导体集成电路设备
    • JP2013012969A
    • 2013-01-17
    • JP2011145121
    • 2011-06-30
    • Hitachi Ltd株式会社日立製作所
    • OWA MISAONO TAKEKAZUSUGANO YUSUKEOKADA YUKI
    • H03K3/354H01L21/822H01L27/04
    • PROBLEM TO BE SOLVED: To provide a semiconductor circuit device that detects a random variation of a transistor mounted in a semiconductor circuit by removing fluctuations in wiring resistance and wiring capacitance changing with switching of inverters constituting a ring oscillator circuit from frequency fluctuations obtained from an output signal of the ring oscillator circuit.SOLUTION: The semiconductor circuit device comprises: an oscillation circuit comprising a series connection of a plurality of circuit elements for inverting a logical level of an input signal; a signal processing section for counting an output frequency of the oscillation circuit; a plurality of transistors with comparative characteristic variations connected in parallel between a power terminal for applying a supply voltage to one circuit element and a ground terminal; and a selection control section controlled by a timing signal to select every one of the plurality of transistors in order.
    • 解决的问题:提供一种半导体电路器件,其通过从构成环形振荡器电路的反相器的切换中除去布线电阻的波动和布线电容的波动来检测安装在半导体电路中的随机变化,从获得的频率波动 从环形振荡器电路的输出信号。 解决方案:半导体电路装置包括:振荡电路,包括用于反转输入信号的逻辑电平的多个电路元件的串联连接; 信号处理部分,用于对所述振荡电路的输出频率进行计数; 具有比较特性变化的多个晶体管并联连接在用于向一个电路元件施加电源电压的电源端子和接地端子之间; 以及由定时信号控制的选择控制部分,以依次选择多个晶体管中的每一个。 版权所有(C)2013,JPO&INPIT
    • 3. 发明专利
    • Semiconductor integrated circuit device
    • 半导体集成电路设备
    • JP2012209420A
    • 2012-10-25
    • JP2011073878
    • 2011-03-30
    • Hitachi Ltd株式会社日立製作所
    • ONO TAKEKAZUSUGANO YUSUKE
    • H01L21/822H01L27/04H03K19/00
    • PROBLEM TO BE SOLVED: To provide a circuit for detecting temporarily fluctuating variation which in an integrated circuit.SOLUTION: A detection circuit 100, an arithmetic circuit 101, and a variation/voltage conversion circuit 113 are provided in an integrated circuit. In the detection circuit 100, characteristic variation of the integrated circuit is detected as an oscillation frequency of an output signal of the detection circuit 100. In the arithmetic circuit 101, variation information detected for every time interval regulated by a timer 106 is stored in a register 111, statistical processing is performed by a statistic arithmetic circuit 112, and the temporarily fluctuating characteristic variation of the integrated circuit is detected. The variation/voltage conversion circuit 113 further converts the characteristic variation into voltage information corresponding to the detected characteristic variation.
    • 要解决的问题:提供一种用于检测集成电路中的暂时波动变化的电路。 解决方案:集成电路中提供检测电路100,运算电路101和变化/电压转换电路113。 在检测电路100中,集成电路的特性变化被检测为检测电路100的输出信号的振荡频率。在运算电路101中,将由定时器106调节的每个时间间隔检测到的变化信息存储在 寄存器111,统计处理由统计运算电路112执行,并且检测到集成电路的暂时波动特性变化。 变化/电压转换电路113进一步将特征变化转换成与检测到的特性变化相对应的电压信息。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Transmission circuit
    • 传输电路
    • JP2012156763A
    • 2012-08-16
    • JP2011013795
    • 2011-01-26
    • Hitachi Ltd株式会社日立製作所
    • KURAHASHI HIROAKIHOKARI TOMOFUMIMUTO TAKASHIONO TAKEKAZUYAMASHITA HIROKI
    • H03K5/125H03K19/0175
    • H03K19/018514
    • PROBLEM TO BE SOLVED: To provide a transmission circuit that can solve an imbalance in emphasis between high and low output level sides with two advantages of correction circuit elimination and element circuit occupation area reduction over existing transmission circuits.SOLUTION: In the transmission circuit, a driver circuit 17 has MOS transistors M3p, M3n for bias voltage application cascode-connected to MOS transistors M1p, M1n for differential signal input controlled by a voltage value of a transmission data signal, and controlled by a voltage value of a bias voltage to conduct a driving current, and driver circuits 16, 18 have MOS transistors M3p, M3n for bias voltage application cascode-connected to MOS transistors M1p, M1n for differential signal input controlled by a voltage value of a delayed signal of the transmission data signal and connected to load sections, and controlled by a voltage value of a bias voltage to conduct a driving current.
    • 要解决的问题:提供一种可以解决高输出电平侧和低输出电平侧之间的不平衡的发送电路,其具有校正电路消除和元件电路占用面积减少在现有传输电路上的两个优点。 解决方案:在传输电路中,驱动器电路17具有MOS晶体管M3p,M3n,用于与用于通过传输数据信号的电压值控制的差分信号输入的MOS晶体管M1p,M1n共源共栅放电的偏压施加,并控制 通过施加驱动电流的偏置电压的电压值,并且驱动电路16,18具有MOS晶体管M3p,M3n,用于与MOS晶体管M1p,M1n连接的偏置电压施加,用于由电压值为 传输数据信号的延迟信号并连接到负载部分,并由偏置电压的电压值控制以传导驱动电流。 版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • Generator and power generation method
    • 发电机和发电方法
    • JP2005130624A
    • 2005-05-19
    • JP2003364043
    • 2003-10-24
    • Hitachi Ltd株式会社日立製作所
    • OKUBO MICHIOMIYAZAKI SUKEYUKITANAKA HIDETOSHIONO TAKEKAZU
    • F03G7/08H01L41/04H01L41/113H02N2/00H02P9/00
    • H02N2/181H01L41/042H01L41/1136H02N2/186
    • PROBLEM TO BE SOLVED: To provide an oscillatory generator which can enlarge generated voltage even if vibration is small and can raise power generation efficiency. SOLUTION: This oscillatory generator, which is equipped with a mechanism for converting vibrational energy into electric energy, possesses a switch to determine whether to output power or not. The control of the above switch is materialized by performing periodic control for switching the period to output power and the period not to output power into each other, by the cycle not less than two times and not more than one hundred times the cycle of the vibration. According to this invention, it is possible to raise the efficiency of the generator, and an electronic apparatus, which does not need external power supply and does not require labor of battery exchange, either can be obtained. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种振荡发生器,其即使振动小也能够扩大发电电压,能够提高发电效率。

      解决方案:该振荡发生器配备有将振动能转换为电能的机构,具有确定是否输出功率的开关。 上述开关的控制通过执行周期性控制来实现,该周期控制用于将周期切换到输出功率和不输出功率的周期彼此不小于振动周期的两倍且不超过一百倍的周期 。 根据本发明,可以提高发电机的效率,并且可以获得不需要外部电源并且不需要电力交换的劳动的电子设备。 版权所有(C)2005,JPO&NCIPI

    • 8. 发明专利
    • SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
    • JP2001339045A
    • 2001-12-07
    • JP2000159543
    • 2000-05-25
    • HITACHI LTD
    • MIYAZAKI SUKEYUKIONO TAKEKAZUISHIBASHI KOICHIRO
    • H01L27/04G11C5/14H01L21/822
    • PROBLEM TO BE SOLVED: To realize rapidity in operation especially at a low voltage by realizing rapidity of an operation velocity of a CMOS circuit and at the same time enabling low consumption power in a semiconductor integrated circuit device which is constituted of a CMOS circuit. SOLUTION: The device has a main circuit constituted of a CMOS circuit, a change-over circuit, a substrate control circuit and a switch circuit, and switches a substrate bias of a MOS transistor constituting a main circuit to the state of application to a usual power supply voltage and a ground voltage, and the state of application to a forward bias in accordance with a switching signal of a switching circuit. A switching circuit outputs a switching signal on detecting decline of a power supply voltage, etc. As a result, it is possible to provide a CMOS circuit and a CMOS-LSI chip constituted of it, and a semiconductor integrated circuit device which realize low consumption power by cutting leakage current during standby in a high voltage region and realizes improvement of operation velocity in a low voltage region, by enlarging an operational voltage range of a CMOS circuit in a semiconductor integrated circuit device constituted of a CMOS circuit.