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9030229 Impedance tuning circuit and integrated circuit including the same  
An impedance tuning circuit includes a calibration unit and a post-processing unit. The calibration unit generates an initial pull-up code and an initial pull-down code by performing a calibration...
9018973 Semiconductor device  
A device, comprising an output terminal; an output circuit coupled to the output terminal and having an adjustable impedance; and an impedance adjustment circuit adjusting stepwise the adjustable...
9000803 High speed signaling system with adaptive transmit pre-emphasis  
A high-speed signaling system with adaptive transmit pre-emphasis. A transmit circuit has a plurality of output drivers to output a first signal onto a signal path. A receive circuit is coupled to...
8994403 Apparatus and method for signal transmission over a channel  
Apparatus and methods related to data transmission are disclosed. One such apparatus includes a transmitter, a receiver, and a channel. The transmitter includes a pair of current sources and a...
8988100 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...
8981817 Operating conditions compensation circuit  
A circuit having a centralized PT compensation circuit to provide compensation signals to localized I/O blocks on the chip. Process variations and temperature variations tend to be approximately...
8963577 Termination impedance apparatus with calibration circuit and method therefor  
A termination impedance apparatus includes a variable pull-up resistor, a variable pull-down resistor, and a small-signal calibration circuit. The variable pull-up resistor is coupled between a...
8952719 Memory with termination circuit  
Provided is a semiconductor integrated circuit according to an exemplary aspect of the present invention including first and second transmitter-receivers that execute transmission and reception of...
8952725 Low voltage differential signal driving circuit and electronic device compatible with wired transmission  
A low voltage differential signal driving circuit including positive and negative differential output terminals, an automatic level selector, an output level detector and a transition accelerator....
8941410 Programmable buffer circuit  
Buffer circuit embodiments are described. A buffer circuit includes an input configured to receive an input signal and a buffer configured to generate an output signal based on the input signal....
8937490 Output driver, devices having the same, and ground termination  
An integrated circuit comprising an output driver including an output terminal, and a receiving circuit including a termination resistor connected between the output terminal and a ground. The...
8933729 Stacked receivers  
Differential receivers are “stacked” and independently calibrated to different common-mode voltages. The different common-mode voltages may correspond to the common-mode voltages of stacked...
8922240 Termination circuit  
A termination circuit includes: a pull-up termination unit configured to pull-up terminate an interface node in response to a pull-up signal; a pull-down termination unit configured to pull-down...
8917131 Slew rate modulation  
Apparatus and methods may operate so that arrival times of a data signal at gates of transistors are controlled to switch the transistors at different times to modulate the slew rate of a signal...
8912818 High speed multiple memory interface I/O cell  
A calibration circuit includes an amplifier, a current steering digital-to-analog converter (DAC), a comparator, a slew calibration network, and an on-die termination (ODT) network. The amplifier...
8907699 Semiconductor integrated circuit  
Provided is a semiconductor integrated circuit according to an exemplary aspect of the present invention including a data transmitting circuit that transmits data in parallel through a plurality...
8896343 Adjustable impedance circuit and impedance setting method for providing differential-mode impedance matching and common-mode impedance matching  
An adjustable impedance circuit includes a calibration module, an impedance module, a first switch module and a second switch module. The calibration module is arranged to generate a calibration...
RE45246 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...
8878565 Semiconductor device having impedance calibration function to data output buffer and semiconductor module having the same  
Disclosed herein is a semiconductor device that includes a first transistor unit coupled to the data terminal, and a plurality of second transistor units coupled to the calibration terminal. The...
8872540 Method of sharing in use an impedance matching circuit of a memory circuit to perform an initial calibration and a full time refresh mode calibration, and memory circuit with an impedance matching circuit capable of being used in an initial calibration and a full time refresh mode calibration  
A method of sharing in use an impedance matching circuit of a memory circuit to perform an initial calibration and a full time refresh mode calibration includes supplying power to the memory...
8872541 Dynamic adaptation of continuous time linear equalization circuits  
An embodiment of the invention includes dynamically adjusting gain peaking of circuit logic such that error rates are acceptable across various process/voltage/temperature (PVT) ranges. An...
8868990 Semiconductor memory device and information processing apparatus including the same  
A semiconductor memory device is disclosed that includes an ODT circuit configured to be connected to a bus which transmits a data signal or a data strobe signal between a memory block and an...
8860462 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
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...
8847635 Self-calibration of output buffer driving strength  
An integrated circuit includes an output buffer and a control circuit. The output buffer has a signal input, a signal output, and a set of control inputs. The output buffer has an output buffer...
8803535 Impedance mismatch detection circuit  
A comparison circuit for detecting impedance mismatch between pull-up and pull-down devices in a circuit to be monitored includes a comparator operative to receive first and second signals and to...
8791722 Output buffer, operating method thereof and devices including the same  
A method of buffering data from core circuitry includes generating a first sourcing control signal responsive to indication signals indicating an operating voltage and output data, generating a...
8766668 Integrated circuit chip  
An integrated circuit chip includes a first single ended type buffer configured to receive a first signal through a first pad, a second single ended type buffer configured to receive a second...
8749268 High-speed driver circuit  
An inverter-type high speed driver circuit having a first inverter branch and a second inverter branch wherein each of the inverter branches comprising a parallel circuit of a serial connection of...
8736305 Input and output buffer including a dynamic driver reference generator  
A system having an input and output buffer includes a dynamic driver reference generator to generate dynamic driver reference signals based on a data signal and an IO buffer supply voltage, a...
8729925 Configurable buffer for an integrated circuit  
In one embodiment, an internal buffer may be provided within an integrated circuit (IC) to convert a signal to an output current to be output via a pin of the IC, under control of a switch which...
8723550 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...
8704550 Architecture for VBUS pulsing in UDSM processes  
Architecture for VBUS pulsing in an Ultra Deep Sub Micron (UDSM) process for ensuring USB-OTG (On The Go) session request protocol, the architecture being of the type wherein at least a charging...
8698520 Output slew rate control  
This document discusses, among other things, output slew rate control. Methods and structures are described to provide slew rate control of an output driver circuit such as a DRAM output driver on...
8692573 Signal lines with internal and external termination  
Embodiments of a memory controller are described. This memory controller communicates signals to a memory device via a signal line, which can be a data signal line or a command/address signal...
8692578 Transmitter employing pulling mitigation mechanism and related method thereof  
A transmitter includes a power amplifier (PA) and a direct current (DC) voltage tuning circuit. The PA is arranged for receiving a radio-frequency (RF) clock derived from a clock source, and...
8692577 Driver circuit  
The driver circuit includes a first controlling circuit that outputs, to a gate of the auxiliary pMOS transistor, a first controlling signal that rises in synchronization with a rising of the...
8686758 Integrated circuit with configurable I/O transistor arrangement  
I/O circuits and a method for transmitting different types of I/O signals are disclosed. An embodiment of the I/O circuit comprises multiple transistors with multiple switches coupled to the...
8669782 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...
8664972 Memory control circuit, memory control method, and integrated circuit  
Each of a plurality of memories includes a terminating resistor for preventing signal reflection, and a memory control circuit includes an ODT control circuit for driving the terminating resistor...
8664981 Semiconductor device 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...
8653851 Semiconductor integrated circuit  
Provided is a semiconductor integrated circuit according to an exemplary aspect of the present invention including a data transmitting circuit that transmits data in parallel through a plurality...
8653857 Circuitry and layouts for XOR and XNOR logic  
An exclusive-or circuit includes a pass gate controlled by a second input node. The pass gate is connected to pass through a version of a logic state present at a first input node to an output...
8653853 Differential interfaces for power domain crossings  
Techniques are provided for transmitting signals through a differential interface between circuits in different power supply domains. A driver circuit in a first power supply domain converts...
8643404 Self-calibration of output buffer driving strength  
An integrated circuit includes an output buffer and a control circuit. The output buffer has a signal input, a signal output, and a set of control inputs. The output buffer has an output buffer...
8633733 Voltage mode transmitter equalizer  
A voltage mode transmitter equalizer has high efficiencies, yet consumes substantially constant supply current from the power supply and provides constant back-match impedance. The voltage mode...
8618837 Multi-stage digitally-controlled power amplifier  
A multi-stage digitally-controlled power amplifier (DPA) includes a radio-frequency (RF) clock input, an amplitude control word (ACW) input, a plurality of drivers, and an output stage. The RF...
8618833 Source series terminated driver circuit with programmable output resistance, amplitude reduction, and equalization  
A source-series terminated (‘SST’) driver circuit that includes: one or more data signal inputs; one or more control signal inputs; a driver output; and a plurality of driver cells, the driver...
8598906 Low-power ethernet transmitter  
An electrical circuit comprising a line driver for providing Ethernet signals is disclosed. The line driver comprises a voltage mode line driver for producing 1000BT and 100BT Ethernet signals and...
8570064 Methods and systems for programmable implementation of on-chip termination calibration  
Methods, circuits, and systems for termination calibration are provided. Differential input buffer circuitry is used to compare a signal level at an input/output pad and a first reference signal...
8558572 Memory with termination circuit  
Provided is a semiconductor integrated circuit according to an exemplary aspect of the present invention including first and second transmitter-receivers that execute transmission and reception of...