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Class 327/409 - Push-pull circuit


Subclass of Class 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
Definition: Subject matter wherein the switching circuit includes two
No. of patents: 35
Last issue date: 06/01/2010


NumberTitleIssue Date
7728646Source follower
A source follower includes first through third switches, first and second transistors, and a first capacitor. The first switch is used to determine whether or not to couple the source of the first transistor with an input signal. The second switch is used to determi...
06/01/2010
7411440System located in an integrated circuit for reducing calibration components
An embodiment of this invention provides a circuit and method for reducing the number of electronic components needed to calibrate circuits on an IC. A multiplexer is located on the IC where the outputs of a plurality of circuits located on the IC are each connected...
08/12/2008
7291869Electronic module with stacked semiconductors
An electronic module has a heat sink with an upper surface and a lower surface, a plurality of leads arranged adjacent the heat sink and at least one circuit element with two vertical semiconductor power switches. The two vertical semiconductor power switches of eac...
11/06/2007
7256639Systems and methods for integrated circuits comprising multiple body bias domains
Systems and methods for integrated circuits comprising multiple body bias domains. In accordance with a first embodiment of the present invention, an integrated circuit is constructed comprising active semiconductor devices in first and second body bias domains. A f...
08/14/2007
7248095Bus driver with well voltage control section
A bus driving device is provided with a driver circuit for driving a bus line thereof. The driver circuit includes an MOS transistor whose well is separated from other circuits. Further, the bus driving device is provided with a voltage control section for adjusting...
07/24/2007
7212062Power supply noise insensitive multiplexer
CMOS circuitry used to multiplex between data inputs suffers from high sensitivity to power supply noise, resulting in delay variations. By utilizing current controlled inverters in a multiplexer structure, power supply insensitivity can be achieved with either of t...
05/01/2007
7176745Semiconductor device
The well voltage of a CMOS circuit having low-threshold-voltage MOSFETs is controlled when the power supply is turned on, during normal operation, and when the supply voltage is cut off. The CMOS circuit can thus operate stably with lower power consumption, because ...
02/13/2007
7129755High-fanin static multiplexer
An improved high-fanin multiplexer that is highly-scalable, fast and area-efficient. In one embodiment of the present invention, multiple logic “legs” are attached to a common output line. Each leg comprises one pMOS pull-up transistor and one nMOS pull-down tra...
10/31/2006
7046562Integrated circuit reset circuitry
An integrated circuit includes a reset connection to reset the device in response to an externally provided signal. The reset connection is used during test operations to receive elevated supply voltages. The reset connection is coupled to a bias circuit to maintain...
05/16/2006
6995600Fast and wire multiplexing circuits
An apparatus for a multiplexor circuit includes a passgate circuit coupled to receive input signals and corresponding select signals comprising a subset of the input signals and select signals received by the multiplexor. The apparatus also includes a default circui...
02/07/2006
6970024Over-voltage protection of integrated circuit I/O pins
Circuits, methods, and apparatus for protecting devices in an output stage from over-voltage conditions caused by high supply and input voltages. Embodiments provide over-voltage protection that operates over a range of voltage levels, and that can be optimized for ...
11/29/2005
6825707Current mode logic (CML) circuit concept for a variable delay element
An apparatus for a current mode logic variable delay element. A preferred embodiment comprises an input signal that is provided to a multiplexer (for example, multiplexer 210) in both buffered (via a buffer (for example, buffer 205)) and unbuffered for...
11/30/2004
6751139Integrated circuit reset circuitry
An integrated circuit includes a reset connection to reset the device in response to an externally provided signal. The reset connection is used during test operations to receive elevated supply voltages. The reset connection is coupled to a bias circuit to maintain...
06/15/2004
6501324High speed multiplexer
A high-speed multiplexer that includes a reduced number of components in the pull-up and/or the pull-down circuits operates faster than conventional multiplexers and can process higher frequency input signals. The pull-up circuit may be a singe p-type MOS...
12/31/2002
6429698Clock multiplexer circuit with glitchless switching
A clock routing circuit is coupled to receive a primary clock signal, a secondary clock signal, and a select signal, all of which may be asynchronous with respect to one another. When the select signal is in a first state, the clock routing circuit passes...
08/06/2002
6353296Electronic driver circuit with multiplexer for alternatively driving a load or a bus line, and method
An electronic system (101/102) for use in a car has an electronic control unit (10) and, in the alternative, either a passive load (11) or an active logic (12) attached thereto. The control unit (10) comprises a push-pull arrangement (20) which can provid...
03/05/2002
6160437Multiplexer for producing multi-level output signals
The present invention discloses a multiplexer including that provides an output signal having a voltage range substantially equal to an input signal. The multiplexer further provides a breakdown prevention device that protects elements connected to an out...
12/12/2000
5900745Semiconductor device including input buffer circuit capable of amplifying input signal with low amplitude in high speed and under low current consumption
A semiconductor device is arranged by a push-pull circuit 1 for shifting a first center potential of an amplitude of an input signal to a second center potential, and for outputting first and seconc complimentary signals P1, P2 having said second center p...
05/04/1999
5896171Video signal processing apparatus to multiplex a video and control signal
A video signal processing apparatus of the invention has an image pickup unit for picking up an image of an object and generating a video signal corresponding to the picked-up object image, a signal processing unit for executing various kinds of signal pr...
04/20/1999
5872477Multiplexer with CMOS break-before-make circuit
A multiplexer selectively connects one of first and second nodes to a third node. The multiplexer includes a first switch coupled between the first and third nodes, a second switch coupled between the second and third nodes, and a control input for receiv...
02/16/1999
5867053Multiplexed output circuit and method of operation thereof
A multiplexed output circuit (200) for use in an integrated circuit (500) such as a static random access memory locates a plurality of amplifiers (206, 208), a plurality of output buffers (210, 212), and an output driver (201) on the integrated circuit (5...
02/02/1999
5796297Selector switch circuit enabling the selective supply of voltages with different signs
A selector switch circuit comprises an input terminal to receive a positive voltage, an input terminal to receive a negative voltage, a command input terminal to receive a first command logic signal and an output terminal to provide an output voltage. The...
08/18/1998
5668494Circuit and method for driving alternatively electric loads with low impedance
An electronic driver circuit for low-impedance loads, being of a type which comprises an input terminal (IN) to which a voltage signal (Vin) is applied for alternate transfer to an output, and a plurality of output terminals (OUTi), each connected to a co...
09/16/1997
5463326Output drivers in high frequency circuits
A high frequency circuit using output drivers with tri-state sections. The plurality of output drivers are connected to an output transmission line. Each driver has a pull-up section, a pull-down section and a tri-state section. Each tri-state section has...
10/31/1995
5440258Off-chip driver with voltage regulated predrive
An off-chip driver with regulated supplies compensates for power supply fluctuations. The circuit reduces di/dt noise by providing complementary voltage regulators to regulate the high and low supplies to the driver stages such that they see a constant op...
08/08/1995
5436487Output circuit having three power supply lines
In an output circuit having first and second MOS transistors in series between a first power supply line and a second power supply line, and a third MOS transistor, the gates of the first and second transistors are connected to first and second input node...
07/25/1995
5422591Output driver circuit with body bias control for multiple power supply operation
A push-pull output driver including two transistors in series, one transistor having its body bias controlled by logic circuitry commanded by the driver input. The driver has a pair of transistors in series, the transistor inputs being complementary to cr...
06/06/1995
5349255Programmable tco circuit
A circuit having a data path with a programmable clock-to-output delay time (tco). The circuit includes a master-slave flip-flop and selection/predriver logic circuitry whereby two select inputs can program the circuit into one of three differe...
09/20/1994
4908531Monolithic active isolator
A push-pull monolithic active isloator having a pair of MESFETs in common-gate and common-drain (source follower), parallel configuration. These two FETs are the same size and a diode is inserted between the gate of the source follower and the source of t...
03/13/1990
4825102MOS FET drive circuit providing protection against transient voltage breakdown
A drive circuit suitable for producing a high voltage drive output signal has an output stage formed of a P-channel MOS FET (4) and an N-channel MOS FET (5) connected for push-pull operation. The circuit is configured such that even with a supply voltage ...
04/25/1989
4704550Method and apparatus for driving electrical circuits
A driver circuit (10) for sourcing current to, and sinking current from, a load (12) comprises a pair of field effect transistors (18,20) each having their gate-to-source portion coupled between the load and one of a pair of voltage sources which serve to...
11/03/1987
4633106MOS bootstrap push-pull stage
A circuit is described which holds the bootstrap node of a MOS push-pull end stage at a constant potential even if the end stage has to generate an output H-level. A diode/capacitor charge pump circuit supplies the required pulse current only fed to the n...
12/30/1986
4438356Solid state relay circuit employing MOSFET power switching devices
A solid state relay employing MOSFET power switching devices is disclosed. A d-c output relay is disclosed using a single power MOSFET device and an a-c output relay is disclosed employing series opposition power MOSFETS....
03/20/1984
4256979Alternating polarity power supply control apparatus
An electronic switching circuit is provided for controlling transfer of electrical power from an alternating polarity electrical power supply to a load means through use of a field-effect transistor device as the primary power controlling element....
03/17/1981
4047055Line control unit for teleprinters
In a line control unit for teleprinters, a pair of isolating circuits are disposed between the line transistors and the generating circuit, so that there is no electrical connection between the line and the signal generator circuit. The generating circuit...
09/06/1977
 
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