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6882188 Input/output buffer  
An input/output buffer. An input/output circuit has a transmission terminal coupled to an I/O pad, and a floating N-well region. A P-gate control circuit conveys the second gate control signal to...
6879190 Low-power driver with energy recovery  
The present invention provides an energy recovering driver that includes a pull-up control, a pull-down control and a transmission gate. The pull up control is responsive to a pull-up control...
6879189 Asynchronous fault detection circuit for a PWM driver  
Fault detection circuitry is provided for a PWM driver responsive to a PWM input signal to produce a PWM output signal, and includes a first circuit producing a scaled switching signal as a scaled...
6876234 Integrated circuit with output drivers  
An integrated circuit is provided with at least two output drivers ( 4 ) without substrate contacts. The integrated circuit is further provided with at least a core with a Vssc contact ( 7, 9 ) and...
6876231 Driver circuit for use in pin electronics card  
A driver circuit for switching an output voltage (Vout) at an output terminal 3 by using diode bridges 1 and 2 includes a first current mirror circuit 10 for letting flow a first balance...
6873189 I/O buffer circuit  
In an I/O buffer circuit for solving problems occurred due to I/O voltage level difference, the I/O buffer circuit includes a logical controller for generating an enable signal and data according...
6870390 Tx line driver with common mode idle state and selectable slew rates  
A transmit line driver with selectable slew rates and a common mode idle state comprises a capacitor array of selectable capacitors coupled between a line driver and a pre-driver wherein a slew...
6870406 Output driver circuit  
An output driver circuit includes an input stage to which an input voltage is applied, and an output stage to which an output voltage is applied, input stage and output stage being connected by at...
6870697 Overshoot current phase/amplitude control for hard disk drive write current  
Devices and methods for generating a magnetic head-specific overshoot current which is combined with an alternating current waveform into a write current used by the magnetic head to store...
6870405 Method for driving an insulated gate semiconductor device using a short duration pulse  
A circuit for driving a MOSFET ( 12 ) includes a capacitor ( 14 ) and a switch ( 16 ) connected to a gate ( 20 ) of the MOSFET. The circuit applies a charge pulse to the gate of the MOSFET so as to...
6870416 Semiconductor device with clock enable buffer to produce stable internal clock signal  
A semiconductor device includes a clock buffer block for receiving and buffering an external clock signal and then outputting an internal clock in response is a second control signal; a clock...
6861880 Driving circuit for push-pull operated transistors  
A driving circuit having a p-n-p transistor and an n-p-n transistor which are connected in series between a high-voltage side source terminal (V B ) and a ground terminal, and a plurality of...
6859402 Circuit for lines with multiple drivers  
An apparatus may include at least a first transistor, a second transistor, and a circuit. The first transistor has a first control terminal coupled to receive a first dynamic data signal, and is...
6856178 Multi-function input/output driver  
A high-speed I/O driver includes circuitry that is configurable to meet single-ended and differential I/O signal standards. For one embodiment, the driver includes four input circuits that can be...
6857079 Integrated driver electronic (IDE) device power control  
Methods and apparatus for power managing IDE devices. A driver is coupled to a switch, the driver receiving a control signal from a computer system, the control signal indicating whether the...
6856175 Ultrasound transmitter with voltage-controlled rise/fall time variation  
In an ultrasound transmit ASIC, the rise and fall times of the output pulse can be controlled by varying the gate-source voltage used to drive the output-stage transistors. Control of the rise/fall...
6856177 High side power switch with charge pump and bootstrap capacitor  
A power switching circuit comprising a power semiconductor switching device, a charge pump circuit having a control input to control whether it is on or off and a charge pump output, the charge...
6853220 Method and amplification circuit with pre-emphasis  
A method for amplifying a digital signal representative of data to be transmitted by a line driver with pre-emphasis over an output line is provided. The gain of the line driver is varied between...
6850099 Scalable driver device and related integrated circuit  
In a scalable driver device having a plurality of driver stages whose outputs are connected to a common terminal contact for providing a common output signal, drive parameters of the driver stages,...
6850091 Bi-directional impedance matching circuit  
The present invention provides a bi-directional impedance matching integrated circuit which is couplable through an interface to a channel for signal transmission and reception. The invention...
6844759 Method and circuit for eliminating charge injection from transistor switches  
A method for reducing charge injection from a field effect transistor switch in a circuit being controlled by a timing signal having an operation cycle with at least a first phase and a second...
6844770 Circuitry to provide a low power input buffer  
Input buffer circuitry that prevents high voltage output from high voltage circuitry from being applied to connected low voltage circuitry. An input of the input buffer circuitry receives signals...
6838908 Mixed-voltage I/O design with novel floating N-well and gate-tracking circuits  
A mixed-voltage I/O buffer circuit that prevents leakages through a driver stage PMOS transistor is provided. The buffer circuit has a first part that prevents leakage through a parasitic diode of...
6838900 Middle pull-up point-to-point transceiving bus structure  
A bus architecture for the application of data transmission between distinct integrated circuits. The bus architecture includes at least one transmission line connecting with I/O pin of ICs for...
6836161 Semiconductor switch driving circuit  
To provide a semiconductor switch driving circuit in which a stable conducting state and a non-conducting state can be kept, the high-speed switching operation is enabled, a lag of switching timing...
6836144 Programmable series on-chip termination impedance and impedance matching  
Circuits may provide series on-chip termination impedance to one or more input/output pins. In one embodiment, two off-chip reference resistors in combination with internal calibration circuitry...
6833729 Semiconductor device with impedance calibration function  
Disclosed is a semiconductor device comprising a reference circuit for receiving a plurality of impedance control signals and generating a reference voltage, a transmission driving circuit for...
6833739 Input buffer circuit for semiconductor device  
An input buffer circuit includes a differential amplifier that receives a input signal and its complement and generates an amplified signal corresponding to the voltage difference between the input...
6825686 Line interface circuit, associated line drivers and methods of operating the same  
A line driver is disclosed comprising a termination portion which includes a termination resistance (R term ) and which is supplied in use by an operational amplifier (op-amp), with a termination...
6825699 Charge pump circuit, passive buffer that employs the charge pump circuit, and pass gate that employs the charge pump circuit  
Buffer that includes an input node, an output node, and a three-transistor charge pump circuit is coupled to the input node and the output node. The buffer generates an output signal that is a...
6825700 Semiconductor device  
A bootstrap circuit includes at least a chargeable semiconductor element region (D 3, 6 ) and a drift region (Rn, 8 ) of a high-tension island, and junction between the chargeable semiconductor...
6822345 Chip/package resonance damping using controlled package series resistance  
A method and apparatus for reducing an impedance of a power supply path of an integrated circuit is provided. The power supply path includes a first power supply line and a second power supply line...
6822489 Semiconductor integrated circuit having fet  
A semiconductor integrated circuit capable of decreasing the amount of signal transmission when an FET is in an OFF state and of improving a variable ratio of the amount of signal transmission,...
6822490 Data output circuit for reducing skew of data signal  
In a data output circuit for reducing a skewing error of a data signal, a first inversion unit receives a first data signal of an operating voltage level and inverts the received first data signal...
6809559 Method of forming a power device and structure therefor  
A method of forming a power device ( 10 ) includes forming a power transistor ( 27 ) and a pull-down transistor ( 28 ) on a semiconductor die ( 36 ). The pull-down transistor ( 28 ) is enabled to...
6809560 Load sensing circuit for a power MOSFET switch  
A circuit for sensing a voltage across a power switch includes a transmission gate, a low pass filter and a comparator. The power switch is controlled by a control signal for turning the power...
6809561 Semiconductor power converting apparatus  
A semiconductor power converting apparatus including at least one series arrangement of MOS control semiconductor devices such as Insulator-gate Bipolar Transistors (IGBTs) or metal oxide MOS...
6806747 Output circuit and microcomputer  
When a control power source voltage becomes lower than an operation guarantee voltage level, the output of a start-up circuit assumes an H-level, a NOR gate produces an output shut-off signal of an...
6804305 Wide common mode range differential receiver  
Disclosed is a wide common mode range differential receiver comprising an input stage adapted to receive an input signal and its complement with wide common mode and output said signals as current...
6803820 Apparatus and method for reducing common-mode current in differential link  
An output buffer is configured to receive differential input signals and to transmit differential output signals. A pre-driver is coupled to the output buffer and is configured to receive a data...
6801054 Output buffer circuit  
An output buffer circuit is disclosed that can enhance AC performance and suppress reflected noise. An output buffer circuit can include a first driver circuit ( 2 1 ) and at least one second...
6801062 Output circuit  
In a first and second logic circuit controlling a driver circuit of CMOS configuration having a plurality of output transistors connected in parallel, a delay fluctuation clock signal and a delay...
6801063 Charge compensated bootstrap driving circuit  
A circuit and method for electrically driving a load. A bootstrap driving circuit variably drives the load in response to a pulse width modulation control signal. A compensation curcuit then...
6798256 Resonant buffer apparatus, method, and system  
A buffer circuit includes a resonant circuit. An output of the resonant buffer circuit transitions once for three transitions on an input.
6798235 Bus control circuit  
A bus interface having a first circuit based on a first pair of transistors of opposite types having a control electrode and a common electrode for providing a first output potential. A second...
6794894 Method and system for bidirectional signal transmission  
A system for bidirectional signal transmission of an electrical signal from a transmitter at a first location to a receiver at a second location, and from a transmitter at the second location to a...
6794909 Output circuit of semiconductor device having adjustable driving capability  
In an output circuit of a semiconductor device, an output buffer circuit includes a P-channel MOS transistor and a resistor connected in series between a line of a power supply potential and an...
6792372 Method and apparatus for independent output driver calibration  
An apparatus and method for independently adjusting or calibrating the characteristics of multiple drivers for output buffer circuits without significantly increasing the associated necessary...
6791377 LVDS driver in bipolar and MOS technology  
A circuit arrangement for an LVDS driver, which uses combined bipolar and MOSFET technology with at least two MOSFETs, is shown, wherein a multiplier circuit is connected to an output stage of the...
6791392 Circuit for shifting an input signal level including compensation for supply voltage variation  
A signal level shift circuit is provided for different circuit systems operating based on different supply voltages (VDDL, VDDH), wherein a supply voltage detection circuit detects a reduction of a...