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7629810 Input and output circuit  
Stable testing is performed on an input and output circuit. An output stage outputting output signal to input/output terminal DQ comprises: a differential pair formed from an Nch transistor N 1 ,...
7626421 Interface circuit and electronic device  
An interface circuit and an electronic device are used for expanding an output port of a micro processing unit. The interface circuit includes an input port electrically connected to the output...
7622964 Analog buffer circuit  
An analog buffer circuit ( 10 ) includes a first p channel field effect transistor ( 11 ), an n channel field effect transistor ( 12 ) and a second p channel field effect transistor ( 13 ). The...
7622957 Pseudo-differential output driver with high immunity to noise and jitter  
Circuits and methods are provided for transmitting a pseudo-differential output signal with relatively high immunity to noise and jitter. The output driver of the invention receives two...
7622956 Output driving circuit  
Disclosed is an output driver, which comprises: a resistance element with resistance, coupled to an output terminal; a current mode driving circuit, coupled to the resistance element, for providing...
7622945 Mix mode driver for traces of different lengths  
A method for a mix mode driver to accommodate traces of different lengths includes sequentially shifting values of a data signal to a number of stages and sequentially amplifying the values of the...
7619447 High voltage high side transistor driver  
A high side transistor driver includes a sender module that generates a power input signal. A converter module receives the power input signal and generates an output signal that has a higher...
7619445 Differential amplifier, digital-to-analog converter and display apparatus  
A differential amplifier includes a first differential pair, a second differential pair, a load circuit, connected in common to the first and second differential pairs, and first and second current...
7613853 Output buffer circuit capable of synchronous and asynchronous data buffering using sensing circuit, and method and system of same  
An improved output buffer having single ended as well as differential signaling capabilities, providing symmetrical outputs for differential output configurations for both synchronous and...
7610416 Systems and methods for controlling rise and fall times of USB signals  
Systems and methods for controlling the rise and fall times of USB signals for USB devices and peripherals are provided. The rise and fall times of USB peripherals can be controlled, or changed, in...
7609091 Link transmitter with reduced power consumption  
With some transmitter embodiments disclosed herein, static power consumption in low power modes may be reduced without excessively increasing latency.
7605601 Semiconductor integrated circuit device  
A semiconductor integrated circuit device, has a semiconductor substrate; and a first transistor of a first conductivity type and a second transistor of the first conductivity type, the transistors...
7602653 Multimode data buffer and method for controlling propagation delay time  
A data buffer, such as a data strobe input buffer or a data input buffer, which may operate in multiple modes, such as a single mode (SM) and a dual mode (DM) and where the mode is selected by...
7602216 Integrated circuit device and electronic instrument  
An integrated circuit device includes a first predriver that drives an N-type power MOS transistor of an external driver including the N-type power MOS transistor and a P-type power MOS transistor,...
7602210 Two-wire transmitter  
A two-wire transmitter for receiving power supply from an external circuit through two transmission lines and also transmitting a current signal based on the measurement value of a sensor includes...
7598781 Capacitive load driving device  
A capacitive load driving device applies a multi-level voltage to a capacitive load to drive the capacitive load. In the capacitive load driving device, a voltage control signal generator unit...
7595674 Universal serial bus (USB) driver circuit, system, and method  
A driver circuit, system, and method is provided. The driver circuit includes a plurality of delay cells or circuits, each comprising a set of flip-flop circuits coupled in series to produce a...
7595663 Interface circuit  
An interface circuit is provided for use in a semiconductor device which transmits and receives a signal to and from the outside. The interface circuit includes a signal input/output terminal for...
7595662 Transmission/reception apparatus for differential signals  
A transmission device transmits differential signals that are to be output, in the form of current signals via first and second output terminals. A first switching transistor and a first output...
7595661 Low voltage differential signaling drivers including branches with series resistors  
A low voltage differential signal driver includes first and second current sources, a first branch and a second branch. The first branch includes at least two transistors and at least two resistors...
7595658 Voltage divider circuit  
The present invention provides a voltage divider circuit capable of reducing a number of external devices and lowering the cost and power consumption. The present invention includes a plurality of...
7593824 System and method for automation of hardware signal characterization and signal integrity verification  
A PCB comprising two or more components, such as ICs, comprises drivers and receivers that facilitate communication of signals between the components. Signal terminations, such as series and AC...
7592838 Method for communicating data and clock signals and corresponding signal, transmitter and receiver  
A clock signal constituted by pulses with given frequency of repetition and a data signal is able to assume two logic levels are transmitted simultaneously on a two-wire line in the form of a...
7592830 Integrated circuit device for receiving differential and single-ended signals  
An integrated circuit device includes a receiver that is capable of receiving and converting either differential input signals or two unrelated single-ended input signals.
7589570 System and method for synchronized current boosting  
A circuit system and method are provided to modify a hard disk writer/driver pre-amplifier electronic circuit to synchronize current boosting control signals. The circuit system obtains a single...
7589564 Method of maintaining input and/or output configuration and data states during and when coming out of a low power mode  
A semiconductor integrated circuit device upon exiting from a low power mode, wakes up and re-initializes logic circuits so as to restore previous logic states of internal registers without...
7589563 Device and method for voltage regulator with stable and fast response and low standby current  
An apparatus and method for regulating voltage levels. The apparatus includes a first transistor and a second transistor. The first transistor and the second transistor are each coupled to a first...
7589562 I/O cell capable of finely controlling drive strength  
Disclosed is an I/O cell for providing an output pad with an output signal, including a first drive circuit for providing the output pad with an output signal having a drive strength which is equal...
7589560 Apparatus for configuring I/O signal levels of interfacing logic circuits  
Apparatus for configuring input/output signal levels of interfacing logic circuits operating at different voltage levels comprises: a logic circuit for operating at a first voltage level; a bank of...
7586341 Programmable high-speed interface  
Methods and apparatus for providing either high-speed, or lower-speed, flexible inputs and outputs. An input and output structure having a high-speed input, a high-speed output, a low or moderate...
7586339 Output circuit and method thereof  
An output circuit and method thereof. In an example, the output circuit may include an output buffer configured to buffer output data and to transfer the buffered output data to an output node, the...
7586330 Pre-emphasis apparatus, low voltage differential signaling transmitter including the same and pre-emphasis method  
A pre-emphasis apparatus of a LVDS transmitter includes a pre-emphasis signaling generation unit and a pre-emphasis current output unit. The pre-emphasis signal generation unit generates a...
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...
7583104 Maintaining input and/or output configuration and data state during and when coming out of a low power mode  
A semiconductor integrated circuit device upon exiting from a low power mode, wakes up and re-initializes logic circuits so as to restore previous logic states of internal registers without...
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...
7579872 Low-voltage differential signal driver for high-speed digital transmission  
A low-voltage differential signal driver for high-speed digital transmission includes a first converter operable to receive a signal in a first type and convert the signal into a second type,...
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...
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...
7573299 Semiconductor integrated circuit including output circuit  
An output circuit includes a differential section configured to amplify an inputted differential signal; a current source section configured to supply a current to the differential section; a load...
7573298 Signal transmission circuit, data transfer control device and electronic device  
A signal transmission circuit transmitting signals via first and second signal lines that provide a differential pair, includes: a current source installed between a first power source and a given...
7567628 Symmetric differential slicer  
A self-biasing slicer includes a self-biased differential transistor pair. As a result of the self-biasing, the slicer may receive input signals without the use of AC coupling. That is, a...
7567095 Safe output circuit with a one-channel peripheral terminal for the ouput of a bus user  
The invention relates to an output circuit for an output module for switching at least one connected load. The task of the invention is to present a circuit for output-side switching of at least...
7564723 Reducing current consumption for input circuit of an electronic circuit  
The invention relates to an input circuit for an electronic circuit, for receiving and assessing an input signal and for driving the input signal to a downstream circuit. The input circuit includes...
7564293 Signal conversion circuit  
A signal conversion circuit for converting an inputted differential signal into a single-ended signal comprises a differential amplifier circuit for amplifying the differential signal, and...
7564288 Semiconductor integrated circuit  
A semiconductor integrated circuit that operates upon supply of a plurality of power potentials including a first power potential and a second power potential higher than the first power potential,...
7560957 High-speed CML circuit design  
A current mode logic digital circuit is provided comprising a logic circuit component having at least one data input node and at least one output node. A load is coupled between a power supply node...
7560953 Power management systems and methods for programmable logic devices  
A programmable logic device, in accordance with an embodiment, includes a first terminal; an input buffer having a buffer input terminal and a buffer output terminal; and a multiplexer coupled to...
7557620 System and method for controlling input buffer biasing current  
A system and method for controlling input buffer biasing current include an input buffer circuit with an input current detector circuit configured to generate a plurality of discrete biasing...
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....
7551897 Method and apparatus for performing transmit pre-emphasis  
A pre-emphasis circuit and methods are provided. The circuit includes a first amplifier and a second amplifier. The first amplifier contains M first driver cells and is operable to amplify a...