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    • 3. 发明授权
    • High speed, low power input buffer
    • 高速,低功耗输入缓冲器
    • US5039881A
    • 1991-08-13
    • US370657
    • 1989-06-23
    • William J. OomsJerald A. Hallmark
    • William J. OomsJerald A. Hallmark
    • H03K19/018
    • H03K19/01812
    • An input buffer includes an input circuit (80), a pair of complimentary outputs (52,54) and a differential ampliifer (12). The input buffer includes a pull-down diode (90) arranged in parallel with pull-up diodes (84, 86, and 88), coupled between the buffer input (82) and the differential amplifier input (32). Pull-up is achieved through the low impedance path of the pull-up diodes, eliminating a need for a high value resistor. Pull-down is achieved through the pull-down diode in series with a resistor (92). This arrangement provides high speed of operation, while reducing current consumption.
    • 输入缓冲器包括输入电路(80),一对互补输出(52,54)和差分放大器(12)。 输入缓冲器包括与上拉二极管(84,86和88)并联布置的下拉二极管(90),耦合在缓冲器输入端(82)和差分放大器输入端(32)之间。 通过上拉二极管的低阻抗路径实现上拉,无需使用高值电阻。 通过与电阻(92)串联的下拉二极管实现下拉。 这种布置提供高速操作,同时减少电流消耗。
    • 8. 发明授权
    • Complementary logic recovered energy circuit
    • 互补逻辑恢复能量回路
    • US5457405A
    • 1995-10-10
    • US364912
    • 1994-12-27
    • William J. OomsJerald A. Hallmark
    • William J. OomsJerald A. Hallmark
    • H03K19/00H03K19/096
    • H03K19/0013H03K19/0019H03K19/0963
    • A circuit derives all power from a single clock input terminal and has no connections to separate power source or power sink terminals. The circuit configuration is applicable to many functions such as inverters, logic gates (NAND, NOR, etc.), and storage elements. When connected to form an inverter function, a current electrode of a first transistor is coupled to the clock input terminal and a control electrode is coupled to a signal input terminal while a second transistor has a current electrode coupled to the clock input terminal and a control electrode coupled the signal input terminal. Both transistors have a second current electrode coupled to an output of the inverter.
    • 电路从单个时钟输入端子获得所有电源,并且没有连接到单独的电源或电源端子。 该电路配置适用于逆变器,逻辑门(NAND,NOR等)和存储元件等许多功能。 当连接以形成反相器功能时,第一晶体管的电流电极耦合到时钟输入端子,并且控制电极耦合到信号输入端子,而第二晶体管具有耦合到时钟输入端子的电流电极和控制电极 电极耦合信号输入端。 两个晶体管都具有耦合到反相器的输出的第二电流电极。
    • 9. 发明授权
    • Integrated semiconductor crosspoint arrangement
    • 集成半导体交叉点布置
    • US4125855A
    • 1978-11-14
    • US781790
    • 1977-03-28
    • James A. DavisWilliam J. Ooms
    • James A. DavisWilliam J. Ooms
    • H03K17/00H01L21/331H01L21/74H01L21/762H01L21/8224H01L23/535H01L27/082H01L27/102H01L29/08H01L29/73H03K17/62H03K17/66H03K17/68H04Q3/52H01L27/04
    • H03K17/6221H01L21/743H01L21/762H01L23/535H01L27/0821H01L27/1022H03K17/668H03K17/68H04Q3/521H01L2924/0002H01L2924/3011
    • Symmetrical integrated transistors and drive circuitry provide low loss bilateral analog crosspoints for a switching matrix. Each crosspoint comprises a high performance PNP lateral transmission switching transistor and an associated NPN vertical drive transistor formed over a common n-type buried tub in a p-type substrate. Individual crosspoints, including the transmission transistor and the drive circuitry, are isolated by means of frame shaped p-type isolation regions lying outside the buried tub. The collector of the NPN drive transistor and the base of the PNP transmission transistor are ohmically connected by means of the buried tub. Accordingly, although the transmission transistor and the drive transistor are merged in a single isolation region, current drive to the PNP transistor is by means of the NPN transistor as a functionally independent device. The lateral PNP transistor comprises stripe shaped emitter and collector electrodes which are formed in a single step with the isolation region and the electrodes are of equal doping, size, and shape. Pluralities of such emitters and collectors which are respectively interconnected by surface metallizations may be utilized to increase the efficiency and the current carrying capacity of the transmission transistor.
    • 对称集成晶体管和驱动电路为开关矩阵提供低损耗的双向模拟交叉点。 每个交叉点包括高性能PNP横向传输切换晶体管和形成在p型衬底中的公共n型埋置式桶上的相关联的NPN垂直驱动晶体管。 包括传输晶体管和驱动电路在内的各个交叉点通过位于掩埋槽外部的框形的p型隔离区隔离开。 NPN驱动晶体管的集电极和PNP传输晶体管的基极通过埋地槽欧姆连接。 因此,虽然传输晶体管和驱动晶体管合并在单个隔离区域中,但是通过作为功能无关的器件的NPN晶体管对PNP晶体管的电流驱动。 横向PNP晶体管包括条形发射极和集电极,它们以隔离区形成一个单一步骤,并且电极具有相等的掺杂,尺寸和形状。 分别通过表面金属化互连的这种发射器和集电器的多个可以用于提高传输晶体管的效率和载流能力。