Match Document Document Title
8558576 Output buffer  
According to one embodiment, a clamp transistor is inserted in series between a P-channel field effect transistor and an N-channel field effect transistor and an intermediate level between a high...
8547140 Apparatus and method for generating a bias voltage  
Disclosed is a high-swing voltage-mode transmitter or line driver. The transmitter can operate over a wide range of supply voltages. Increasing the available output swing merely involves...
8531206 High resolution output driver  
High resolution output drivers having a relatively small number of sub-driver branches or slices each having nominal impedances substantially larger than a quantization step and that incrementally...
8531211 Semiconductor device  
A semiconductor device includes a first signal delay block configured to delay a first edge of an input signal with varying delay amounts, maintain a second edge of the input signal, and output at...
8513984 Buffer circuit having switch circuit capable of outputting two and more different high voltage potentials  
A buffer circuit includes a first node that receives a first voltage, a second node, an output node that receives the first voltage, a first transistor coupled between the first node and the...
8502556 System and method for reducing input current spike for drive circuitry  
A circuit includes a plurality of logic gates and a drive circuit. The plurality of logic gates are coupled between a first supply node and a second supply node. Each logic gate has at least one...
8497706 Adjustable data drivers and methods for driving data signals  
Apparatuses and methods for driving input data signals onto signal lines as output data signals are disclosed. An example apparatus includes a detection circuit, a driver adjust circuit, and a...
8497707 Transmitter equalization method and circuit using unit-size and fractional-size subdrivers in output driver for high-speed serial interface  
A method is provided for controlling a data transmission device that includes at least one fractional-sized subdriver. The method includes enabling at least one subdriver and driving a...
8487654 Voltage mode driver with current booster (VMDCB)  
A voltage mode driver circuit able to achieve a larger voltage output swing than its supply voltage. The voltage mode driver circuit is supplemented by a current source or “current booster.” The...
8476931 Semiconductor device  
A semiconductor device includes a core circuit including an integrated circuit; output drivers, each including sub-drivers to output digital data transferred from the core circuit, as output data;...
8471591 Termination circuit for on-die termination  
In a semiconductor device having a terminal connected to an internal portion, a termination circuit for providing on-die termination for the terminal of the device. The termination circuit...
8456194 Level shifter with primary and secondary pull-up circuits  
A level shifter includes first and second input terminals, first and second output terminals, first pull-down circuitry operable to pull down one of the first and second output terminals...
8451025 Advanced repeater with duty cycle adjustment  
An advanced repeater with duty cycle adjustment. In accordance with a first embodiment of the present invention, an advanced repeater includes an output stage for driving an output signal line...
8451031 Adjustable finite impulse response transmitter  
Apparatus and methods are provided for generating output signals representative of bits of serial data. A transmitter includes driver circuitry configured to generate an output signal at an output...
8446168 Pre-emphasis technique for on-chip voltage-driven single-ended-termination drivers  
A transmitter configured for pre-emphasis is described. The transmitter includes a voltage-driven single-ended-termination driver circuitry. The voltage-driven single-ended-termination driver...
8446169 Impedance tuning for termination  
An embodiment of an impedance adjustment apparatus is disclosed. For this embodiment of an impedance adjustment apparatus, a differential driver circuit has an input port, a first output port, a...
8441149 Distributed power delivery scheme for on-die voltage scaling  
A high-speed low dropout (HS-LDO) voltage regulation circuit suitable to enable a power gate unit to produce a variable voltage signal based on the load of a processor is disclosed herein. In...
8436656 Method and apparatus for saving power in an integrated circuit  
Some embodiments provide an integrated circuit (‘IC’) that includes at least first and second circuits operating at a first voltage. The IC includes, between the first and second circuits, a...
8436653 Low power multi-level signaling  
Apparatus are disclosed, such as those involving a transmitter circuit that is configured to generate multi-level signals based on a plurality of data digits. One such transmitter circuit includes...
8410818 High speed communication interface with an adaptive swing driver to reduce power consumption  
A high-speed bus interface with an adaptive swing driver. A high speed interface includes a transmitter and a receiver coupled via a bus. The transmitter has an adaptive swing driver and a...
8405425 Low-power routing multiplexers  
Low-power routing multiplexers that reduce static and dynamic power consumption are provided. A variety of different techniques are used to reduce power consumption of the routing multiplexers...
8400187 Logic circuit and semiconductor device  
A logic circuit includes a thin film transistor having a channel formation region formed using an oxide semiconductor, and a capacitor having terminals one of which is brought into a floating...
8400194 Interface system for a cog application  
A current driving type transmitter using independent current signals, which can independently generate and transmit differential current indicating a logic state of data to be transmitted, using a...
8395421 Configurable buffer circuits and methods  
A buffer circuit includes first and second inputs and first and second outputs. The buffer circuit is configurable to buffer a differential input signal received at the first and the second inputs...
8395411 Constant impedance line driver with digitally controlled edge rate  
A constant impedance driver provides controlled output slew rates. The driver includes a plurality of buffers, each with an output impedance that is multiple of the output impedance of the driver....
8395412 Calibration circuit, semiconductor device including the same, and data processing system  
A method includes issuing a calibration command and performing a calibration operation in response to the calibration command. The calibration operation includes adjusting an impedance of a first...
8384433 Semiconductor device generating complementary output signals  
To include a first inverter that receives an input signal to output an inverted signal, a second inverter that receives the inverted signal to output a first internal signal, and a third inverter...
8378714 5V tolerant circuit for CML transceiver in AC-couple  
A high voltage tolerant transceiver operating at a low voltage is provided, including two input/output pads to receive a receive signal and transmit a transmit signal; a transmitter block to...
8373452 Buffer circuit having switch circuit capable of outputting two and more different high voltage potentials  
A buffer circuit includes a first node receiving a first voltage, a second node receiving a second voltage lower than the first voltage, a third node, an output node driving the first voltage and...
8373453 Semiconductor device  
A circuit including a first buffer coupled to a power line to output a first output signal based on a data signal to an output terminal, a second buffer coupled to the power line to output a...
8368427 Semiconductor device, driving method thereof and electronic device  
The invention provides a semiconductor device having a current input type pixel in which a signal write speed is increased and an effect of variations between adjacent transistors is reduced. When...
8330492 Liquid crystal display device and electronic device  
To provide a circuit used for a shift register or the like. The basic configuration includes first to fourth transistors and four wirings. The power supply potential VDD is supplied to the first...
8324935 Bus driver circuit  
A bus driver circuit for driving a bus voltage is provided. The bus driver circuit comprises: a bus line output (CANL) the bus voltage of which is driven by the bus driver circuit; a first...
8324925 Output buffer circuit and differential output buffer circuit, and transmission method  
An output buffer includes inverters, a delay circuit for delaying an input signal, buffers and switches. The output buffer transmits a logic signal to a transmission path and, in accordance with...
8324927 High speed multiple memory interface I/O cell  
An input/output (I/O) cell including one or more driver-capable segments and one or more on-die termination (ODT) capable segments. The I/O cell may be configured as an output driver in a first...
8319528 Semiconductor device having interconnected transistors and electronic device including semiconductor device  
It is an object to suppress deterioration in characteristics of a transistor in a driver circuit. A driver circuit includes a first transistor, a second transistor including a gate and one of a...
8319519 Impedance code generation circuit and integrated circuit including the same  
An impedance code generation circuit includes an impedance unit configured to drive a calibration node to a first level by using an impedance value determined by an impedance code, a code...
8310282 Apparatus and method for providing multi-mode clock signals  
Apparatus and methods for providing multi-mode clock signals are disclosed. In some embodiments, a multi-mode driver configured to receive a first clock signal, and to selectively output a...
8299822 Driver and output buffer circuit  
A driver circuit transmits a signal generated by a signal level generation circuit to a circuit to be measured by transmitting the signal to a output buffer circuit via a circuit (prebuffer...
8284618 Data input device of semiconductor memory appartus and control method thereof  
A data input device of a semiconductor memory apparatus includes: a differential amplifier configured to compare an input to a reference voltage and output a differential signal based on the...
8253442 Apparatus and method for signal transmission over a channel  
Apparatus and methods are disclosed, such as those involving data transmission. One such apparatus includes a transmitter, a receiver, and a channel. The transmitter includes a pair of current...
8253441 Circuits and methods for level shifting a signal  
In one embodiment, the present disclosure includes a level shift circuit. The level shift circuit includes a clocked latch to receive a digital data signal and a complement of the digital data...
8242812 Buffer circuit  
A buffer circuit in accordance with an embodiment comprises output transistors connected between a first fixed voltage terminal and an output terminal, and gate control transistors connected...
8237469 Semiconductor device and method of controlling the same  
A pull-up circuit prevents generation of a leak current if a difference of potentials occurs between a power source voltage of a pull-up circuit (a bus-hold circuit) and an input terminal. A...
8237468 Driver calibration methods and circuits  
Described are amplifiers that facilitate high-speed communication with calibrated drive strength and termination impedance. Drivers and termination elements can be divided into a number N of...
8237464 Integrated circuit and method for controlling data output impedance  
An integrated circuit for controlling data output impedance includes an address decoder, a selection signal decoder, and a transfer control unit. The address decoder is configured to decode an...
RE43539 Output buffer circuit and integrated semiconductor circuit device with such output buffer circuit  
An output buffer circuit has a main driver including a first pMOS transistor and a first nMOS transistor for driving a load, and a second pMOS transistor and a second nMOS transistor for driving...
8207760 Method and apparatus switching a semiconductor switch with a multi-stage drive circuit  
A method and an apparatus for implementing a semiconductor switch multi-stage drive circuit. The disclosed method and an apparatus reduce losses in a semiconductor switch when it is turned from an...
8198917 Current segmentation circuit for optimizing output waveform for high speed data transmission interface  
The present invention provides a current segmentation circuit for optimizing output waveform from high speed data transmission interface, which comprises a four current sources controlled by four...
8183886 Apparatus for detecting a USB host  
A multi-interface integrated circuit (IC) comprises a plurality of transistors, and a level detection block. At least one transistor of the plurality of transistors is in communication with a...