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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...
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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...
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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.
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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....
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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...
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7548094 |
Systems and methods for on-chip signaling
Systems and methods for on-chip signaling are disclosed. In some embodiments, an integrated circuit having on-chip signaling between a first component and a second component includes, a...
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7541835 |
Circuit technique to achieve power up tristate on a memory bus
Techniques and circuits for ensuring undefined control signals are not inadvertently driven onto a bus due to core logic and I/O logic supply voltages reaching final voltage levels at different...
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7538582 |
Driver circuit, test apparatus and adjusting method
A test apparatus for testing a device under test is provided. The test apparatus includes a test signal generating section for generating a test signal to be provided to the device under test, a...
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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...
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7535257 |
Receiver circuit, interface circuit, and electronic instrument
A receiver circuit includes: a current/voltage conversion circuit which performs a current/voltage conversion based on current which flows through the differential signal lines and outputs voltage...
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7532047 |
Mixed-voltage input/output buffer
A mixed-voltage I/O buffer comprises an input circuit, an output circuit, an I/O pad, a pre-driver circuit coupled to the output circuit, two added coupled N-type transistors, and a dynamical...
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7532035 |
Address transition detector for fast flash memory device
An address transition detector circuit includes an input node, an output node, a bandgap reference node, and P bias and N bias nodes having voltages derived from the bandgap reference node. First...
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7525371 |
Multi-threshold CMOS system and methods for controlling respective blocks
A multi-threshold CMOS system and method controls a state of respective blocks individually. Each block includes a logic circuit having a logic transistor and a control transistor connected between...
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