|
Match
|
Document |
Document Title |
|
|
7639062 |
Electronic device and communication device comprising the same
In an electronic device according to the present invention, a source of the first signal-wire drive transistor is connected to a first power supply, a drain of the first signal-wire drive...
|
|
|
7639044 |
Semiconductor integrated circuit, semiconductor integrated circuit control method, and signal transmission circuit
A semiconductor integrated circuit, a semiconductor integrated circuit control method, and a signal transmission circuit realizing optimization of the performance of a semiconductor integrated...
|
|
|
7635991 |
Output buffer strength trimming
Apparatus and methods for adjusting the buffer strength of an output buffer to match its capacitive load use selectively enabled stages of a multiple stage output buffer. A user can opt for a...
|
|
|
7633312 |
Data transmission apparatus and a data receiving apparatus used for the same
In data transmission apparatus, a transmission line is connected with a transmitting unit and includes a first transmission line and a second transmission line. A receiving unit is connected with...
|
|
|
7626422 |
Output driver and method thereof
An output driver and method thereof. In the method, a current may be adjusted to adjust a power consumption in response to a change in a data rate. A first example output driver may include at...
|
|
|
7619439 |
Semiconductor device
When a plurality of output buffer circuits are provided, chip layout size, power consumption, and number of pins of an LSI circuit are reduced. A voltage generation circuit generates reference...
|
|
|
7612585 |
Pull-up circuit for an input buffer
An input buffer has a high voltage leg in parallel with a low voltage leg. The low voltage leg pulls up the pad when the pad voltage is below the power supply voltage. The high voltage leg remains...
|
|
|
7609186 |
Circuit for converting a voltage range of a logic signal
In a circuit to convert a first logic signal having a first range to a second logic signal having a second range, a first transistor selectively couples an output node to a first reference voltage...
|
|
|
7605611 |
Methods, devices, and systems for a high voltage tolerant buffer
Methods, devices, and systems are disclosed, including those for a buffer having pre-driver circuitry configured to provide voltages to thin-gate dielectric transistors. One such buffer may...
|
|
|
7598785 |
Apparatus and method for adjusting slew rate in semiconductor memory device
A slew-rate adjusting apparatus for use in a semiconductor memory device includes: a slew-rate modulation signal generator for generating a slew-rate modulation signal according to the number of...
|
|
|
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...
|
|
|
7586332 |
Off-chip driver
A driver includes a plurality of first PMOS transistors, a first resistor, a amplifier, a second PMOS transistor and a second resistor. The amplifier herein receives a reference voltage and outputs...
|
|
|
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...
|
|
|
7579873 |
Slew rate control circuit for small computer system interface (SCSI) differential driver
An interface driver circuit comprises N cascaded delay cells, each including a data bit input, a delayed data bit output that communicates with the data bit input of an adjacent one of the N...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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 switches....
|
|
|
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 EF 1 enters a blocked state, a first switch circuit SW 1 enters a conduction state, and a second switch circuit SW 2 ...
|
|
|
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 outputs...
|
|
|
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 pull-up...
|
|
|
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 resistance...
|
|
|
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, and...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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. The...
|
|
|
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 receiver...
|