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    • 4. 发明授权
    • CMOS logic integrated circuit
    • CMOS逻辑集成电路
    • US08547139B2
    • 2013-10-01
    • US13421159
    • 2012-03-15
    • Chikahiro HoriAkira Takiba
    • Chikahiro HoriAkira Takiba
    • H03K19/0175H03K19/094H03K19/20H03B1/00H03L5/00
    • H03K3/355H03K3/35613H03K19/018528
    • A CMOS logic integrated circuit includes a level shifter and a CMOS logic circuit. The level shifter converts a signal of a first logic level to a signal of a second logic level. The signal of the first logic level changes between a first low potential and a first high potential higher than the first low potential. The signal of the second logic level changes between the first low potential and a second high potential higher than the first high potential. The CMOS logic circuit includes a first N-channel type MOSFET and a second N-channel type MOSFET. The second N-channel type MOSFET is connected in series with the first N-channel type MOSFET. A first signal of the first logic level is input into a gate of the first N-channel type MOSFET. A second signal of the second logic level has an inversion relationship with the first signal.
    • CMOS逻辑集成电路包括电平转换器和CMOS逻辑电路。 电平移位器将第一逻辑电平的信号转换为第二逻辑电平的信号。 第一逻辑电平的信号在第一低电位和高于第一低电位的第一高电位之间变化。 第二逻辑电平的信号在第一低电位和高于第一高电位的第二高电位之间变化。 CMOS逻辑电路包括第一N沟道型MOSFET和第二N沟道型MOSFET。 第二N沟道型MOSFET与第一N沟道型MOSFET串联连接。 第一逻辑电平的第一信号被输入到第一N沟道型MOSFET的栅极中。 第二逻辑电平的第二信号与第一信号具有反相关系。
    • 5. 发明授权
    • Delay circuit
    • 延时电路
    • US07902898B2
    • 2011-03-08
    • US12399102
    • 2009-03-06
    • Jyi-Hung Tseng
    • Jyi-Hung Tseng
    • H03H11/26
    • H03K3/355
    • A delay circuit includes current sources, switches, a transistor switch, a charging unit and a comparator. Each of the switches is provided for receiving an enable signal to activate and convey one of the current sources. The transistor switch is activated for pulling down voltage of an operating node coupled to the switches. The charging unit provides an operating voltage for the operating node based on one of the current sources when the transistor switch is deactivated and one of the switches is activated to convey one of the current sources to the charging unit. The comparator is provided for comparing the operating voltage with a reference voltage.
    • 延迟电路包括电流源,开关,晶体管开关,充电单元和比较器。 每个开关被提供用于接收使能信号以激活和传送电流源中的一个。 晶体管开关被激活用于降低耦合到开关的操作节点的电压。 当晶体管开关被去激活时,充电单元基于电流源之一为工作节点提供工作电压,并且其中一个开关被激活以将一个电流源传送到充电单元。 比较器用于将工作电压与参考电压进行比较。
    • 6. 发明授权
    • Timer circuits and method
    • 定时器电路及方法
    • US07342463B2
    • 2008-03-11
    • US11280516
    • 2005-11-15
    • A. Paul BrokawYuxin Li
    • A. Paul BrokawYuxin Li
    • H03K3/26
    • H03K3/011H03K3/354H03K3/355
    • A timing circuit operates by applying an arbitrary voltage across a resistance, and using the resulting current to generate a charging current which charges and/or discharges a capacitance to an endpoint voltage. Additional circuitry is arranged such that the capacitance is charged and/or discharged until its voltage crosses a threshold which is proportional to one of the resistance's endpoint voltages, such that the capacitance's endpoint voltage tracks the resistance's endpoint voltage. Thus, the resistor voltage can vary with supply voltage or temperature, or the resistance value itself can vary, without materially affecting the timing relationships. The arbitrary voltage is preferably provided with a pair of diode-connected transistors connected in series with the resistance, so that a single transistor operated at the same current density as one of the diode-connected transistors establishes the threshold voltage and detects when the capacitor voltage reaches the threshold.
    • 定时电路通过在电阻上施加任意电压来工作,并且使用所得到的电流来产生将电容充电和/或放电到端点电压的充电电流。 附加电路被布置成使得电容被充电和/或放电,直到其电压跨过与电阻的端点电压之一成比例的阈值,使得电容的端点电压跟踪电阻的端点电压。 因此,电阻电压可以随电源电压或温度而变化,或者电阻值本身可以变化,而不会严重影响时序关系。 任意电压优选地设置有与电阻串联连接的一对二极管连接的晶体管,使得以与二极管连接的晶体管中的一个相同的电流密度工作的单个晶体管建立阈值电压并且检测何时电容器电压 达到门槛。
    • 7. 发明授权
    • Pulse generator independent of supply voltage
    • 脉冲发生器独立于电源电压
    • US06353350B1
    • 2002-03-05
    • US09721502
    • 2000-11-22
    • Lorenzo BedaridaSimone BartoliLuigi Bettini
    • Lorenzo BedaridaSimone BartoliLuigi Bettini
    • H03K300
    • G11C7/04G11C7/06G11C7/22G11C2207/065H03K3/011H03K3/355H03K5/04
    • A pulse generator of a type that includes at least one current mirror connected between first and second voltage references and to at least one initiation terminal receiving a pulsive-type initiating signal, connected to a load terminal receiving a load signal, and connected to an output terminal providing an output signal. The pulse generator further includes at least one logic gate having one input terminal connected to an internal control circuit node of the current mirror, having another input terminal connected to receive the initiating signal, and having an output terminal connected to the output terminal of the pulse generator; at least one regulator circuit connected between the current mirror and the second voltage reference and feedback connected to the output terminal; and at least one conductive-type transistor connected between the current mirror and the regulator circuit; the output terminal of the pulse generator delivering a retarded pulsive-type output signal that is independent of the supply voltage and exhibits the same dependency on temperature as the regulator circuit.
    • 一种类型的脉冲发生器,包括连接在第一和第二电压基准之间的至少一个电流镜和连接到接收负载信号的负载终端并连接到输出的至少一个起始终端的起始终端 终端提供输出信号。 脉冲发生器还包括至少一个逻辑门,其中一个输入端连接到电流镜的内部控制电路节点,其另一输入端连接以接收起始信号,并且具有连接到脉冲的输出端的输出端 发电机; 连接在电流镜与第二电压基准之间的至少一个调节器电路和连接到输出端的反馈; 以及连接在电流镜和调节器电路之间的至少一个导电型晶体管; 脉冲发生器的输出端子输出与电源电压无关的延迟脉动型输出信号,并且对温度表现出与调节器电路相同的依赖性。