AcclaimIP-ad

Match Document Document Title
7586331 Self-adaptive output buffer based on charge sharing  
A self-adaptive output buffer for an output terminal of an electronic circuit suitable to be connected to a load is proposed. The self-adaptive output buffer includes means for sensing an...
7586325 Integrated circuit having independent voltage and process/temperature control  
In one embodiment, an integrated circuit has configurable application circuitry that operates at any one of multiple available power supply voltages. PT-control circuitry, operating at a PT...
7583105 Pull-up circuit  
A pull-up circuit comprises an operational amplifier which forms part of a feedback circuit, acting to bring a pull-up circuit output equal to a reference voltage input. The pull-up circuit may...
7579871 Current drive circuit and method of boosting current using the same  
A current drive circuit includes a differential voltage detector configured to detect a voltage level of a drive node and configured to compare the voltage level of the drive node with a voltage...
7579874 Low voltage differential signaling transmitter and transmitting method  
A low voltage differential signaling (LVDS) transmitter receives a data signal, a data invert signal and a plurality of logic signals. The LVDS transmitter includes a first-stage differential...
7573304 Input/output circuit and input/output device  
An input/output circuit has an output terminal, a first transistor, a second transistor, a pulse generator, and a bias circuit. The first transistor drives the output terminal based on a...
7573287 Variable drive module for driving a load  
A drive module for driving a load is disclosed. In one embodiment, the drive module includes an output terminal for connecting the load. A first control terminal is provided for applying a first...
7573288 Dynamically adjusting operation of a circuit within a semiconductor device  
Systems and methods for dynamically adjusting operation of a circuit within a semiconductor device are described herein. At least some illustrative embodiments include a system that includes a...
7570088 Input/output buffer for wide supply voltage range  
Embodiments for providing a plurality of bias voltages to input/output circuitry are disclosed.
7557615 High-speed serial data transmitter architecture  
Serial data transmitter circuitry on a PLD includes a number of features that enable the transmitter to support many different communication protocols under a wide range of circuit conditions....
7550999 Receiver capable of increasing operation speed with suppressing increase of power consumption  
A receiver is constructed by a signal reception circuit including a first amplifier section adapted to generate a first current in response to a first input signal and a second amplifier section...
7545184 Analog buffer in a source driver  
An analog buffer used in a source driver is provided. The analog buffer havs an input end, an output end, a transistor, first and second capacitors, first, second, third, fourth and fifth...
7545164 Output driver for controlling impedance and intensity of pre-emphasis driver using mode register set  
An output driver controls impedance using a mode register set. The output driver includes a main driving circuit that outputs and drives a main signal based on a data signal to a predetermined...
7541860 Current control circuit used for voltage booster circuit  
When a low level voltage is inputted to an input terminal IN, a transistor EF1 enters a blocked state, a first switch circuit SW1 enters a conduction state, and a second switch circuit SW2 enters...
7538572 Off-chip driver apparatus, systems, and methods  
Apparatus, methods, and systems include an off-chip driver having an output drive coupled in parallel with the off-chip driver to provide initial drive emphasis for a period of time. The output...
7538583 High voltage integrated circuit driver with a high voltage PMOS bootstrap diode emulator  
A high voltage circuit driver includes high and low side driver cells to drive a high and a low side power MOSFET, a bootstrap circuit to energize the high side driver cell, a high voltage PMOS...
7535258 Programmable current output and common-mode voltage buffer  
A buffer for a programmable logic device has programmable current sink and source circuitry and an independently programmable common-mode voltage reference source. An amplifier, responsive to a...
7521969 Switch sequencing circuit systems and methods  
Systems and methods are disclosed herein to provide improved I/O techniques. For example, in accordance with an embodiment of the present invention, an integrated circuit includes a driver that...
7518415 Voltage buffer and source driver thereof  
A voltage buffer and the source driver thereof are disclosed. The above-mentioned voltage buffer includes an operational amplifier and an overdriving unit, wherein the operational amplifier...
7511534 Circuits, devices, systems, and methods of operation for a linear output driver  
Embodiments are described for an output driver circuit capable of maintaining a substantially constant output impedance across a wide range of output voltages. The driver circuit includes a...
7508236 Line driver device  
A line driver device is provided in which an output stage can be controlled so as to provide an output current according to at least a first or a second operating mode of the line driver device,...
7495469 On-die termination circuit and driving method thereof  
An on-die termination circuit is capable of increasing a resolution without enlargement of a chip or a layout size. The on-die termination circuit includes a control means, a termination...
7492190 Semiconductor memory device capable of adjusting effective data period  
A semiconductor memory device is capable of adjusting effective data period of data. The semiconductor memory device includes a buffering unit for buffering input data, a window adjusting unit,...
7482838 High-speed differential receiver  
A high-speed differential receiver is used between a high voltage domain and a low voltage domain. The high-speed differential receiver includes a common mode differential amplifier coupled to a...
7482833 Method and circuit for controlling pin capacitance in an electronic device  
A method of operating an electronic device having an output driver with on die termination legs ODT, and non-ODT legs, includes the step of selectively tri-stating tuning transistors (ZQ trim...
7479805 Programmable differential signaling system  
A programmable differential signaling system includes a programmable bias generator and a plurality of input/output modules. The programmable bias generator is operably coupled to generate a first...
7477082 Method and circuit for driving H-bridge that reduces switching noise  
An H-bridge drive circuit for reducing switching noises while preventing shoot-through current from flowing in the H-bridge circuit. The H-bridge drive circuit includes an H-bridge circuit for...
7477075 CMOS output driver using floating wells to prevent leakage current  
An I/O buffer circuit including: a driver circuit containing a pull-up device in a first floating well and a pull-down device in a second floating well; a first and second biasing circuits to bias...
7477081 Pre-driver circuit and data output circuit using the same  
Provided is a pre-driver circuit having a pull-up unit for receiving a data signal, as an input, to output a logical High; a pull-down unit for receiving the data signal, as an input, to output a...
7471113 Low crowbar current slew rate controlled driver  
A slew rate controlled circuit driver generates a binary output signal with strong direct current (DC) characteristics based on a received binary logic signal, while minimizing crowbar current....
7471121 Transistor drive circuit of power converter operating in a wide voltage range  
A transistor drive circuit of a power converter is developed for operating in a wide voltage range. It includes an N-type high-side transistor, a P-type high-side transistor and an N-type low-side...
7471110 Current mode interface for off-chip high speed communication  
A transceiver interface for data transfer between two integrated circuits (ICs or “chips”) utilizes a current mode technique rather than conventional voltage mode differential signaling...
7471107 Active biasing in metal oxide semiconductor (MOS) differential pairs  
Apparatus and methods advantageously maintain transistors of open-drain differential pairs biased in the saturation region when “active,” rather in than the triode or linear region. The biasing...
7471111 Slew-rate controlled pad driver in digital CMOS process using parasitic device cap  
A slew-rate controlled driver circuit in an integrated circuit fabricated in a low voltage CMOS process, having an input node and an output node. A PMOS pull-up transistor is provided, having a...
7468617 Electrostatic discharge (ESD) protection device for use with multiple I/O standards  
In one aspect, the present invention comprises an electrostatic discharge (ESD) protection circuit comprising a plurality of input circuits in which each input circuit comprises a first PMOS and a...
7463051 Output buffer  
An output buffer includes at least a first and a second stage, wherein each stage is formed by respective first transistors and second transistors coupled in series with each other between a first...
7459930 Digital calibration circuits, devices and systems including same, and methods of operation  
A calibration circuit for matching the output impedance of a driver by calibrating adjustments to the driver is described. The calibration circuit includes a driver circuit with a plurality of...
7459938 Method and apparatus for power efficient and scalable memory interface  
Transmission of digital signals across a bus between an electronic device having a transmitter and another electronic device having a receiver with termination for both the transmitter and...
7449919 Driver circuit bias control  
A bias circuit includes multiple output legs. During a transition from a low power state to an operational state, multiple output legs are turned on to provide a bias voltage. After a suitable...
7446572 Method and system for a configurable Vcc reference and Vss reference differential current mode transmitter  
A method and system for a configurable Vcc reference and Vss reference differential current mode transmitter is described. The system includes a Vss reference differential current mode driver, a...
7446569 Line driving circuit of semiconductor device  
Disclosed is a line driving circuit which includes two NMOS transistors in series between a supply voltage and a ground voltage. The output of the line driving circuit is applied to an interior...
7443204 Common-mode noise-reduced output transmitter  
Various embodiments provide a high speed serial transmitter that utilizes a current-mode driver comprising a main driver and a de-emphasis driver. The de-emphasis driver includes a first driver...
7443193 Techniques for providing calibrated parallel on-chip termination impedance  
Techniques are provided for calibrating parallel on-chip termination (OCT) impedance circuits. An on-chip termination (OCT) calibration circuit generates first calibration codes and second...
7436215 Transmitter  
In some embodiments, a transmitter includes a first circuit coupled to an input port of the transmitter, and a second circuit coupled to the first circuit and to an output port of the transmitter,...
7432741 Controllable pre-distortion for transmitter circuitry on programmable logic device integrated circuits  
Transmitter driver circuitry includes multiple output driver stages, each of which receives a respective differently-phased version of an output signal for application to an output node of the...
7429878 Apparatus for controlling drive current in semiconductor integrated circuit devices  
A circuit device for variously controlling a current drive capacity of a semiconductor IC device as required by the user. A circuit device, capable of preventing a semiconductor IC device from...
7420394 Latching input buffer circuit with variable hysteresis  
An input buffer circuit with hysteresis includes a first stage and a second stage. The first stage includes a resistive device to provide a resistance between two nodes of the first stage. The two...
7420395 Output buffer circuit and system including the output buffer circuit  
An output buffer circuit, which minimizes or prevents output delay of output signal and degradation of slew rate while suppressing overshoot and undershoot, is provided. In a first time period...
7417452 Techniques for providing adjustable on-chip termination impedance  
Techniques are provided for individually adjusting the on-chip termination impedance that is generated by input and output (IO) buffers in an input/output (IO) bank on an integrated circuit. The...
7417460 Multi-standard transmitter  
A multi-standard transmitter includes a differential stage that includes a current generator transistor; first and second transistors connected between a first node and the generator transistor...