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8183884 Output driving device in semiconductor device  
An output driving device prevents an inflow of external current through an output terminal even when there is no power supply. The output driving device includes an output circuit that maintains...
8183887 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...
8179160 Input-output (I/O) circuit supporting multiple I/O logic-level swings  
An integrated circuit (IC) includes an input/output (I/O) circuit supporting high-speed operation and multiple I/O logic-level swings. The I/O circuit includes a first output signal chain to...
8179109 Methods and apparatus for a power supply with sequentially-activated segmented power switch  
Methods and apparatus for a power supply according various aspects of the present invention operate in conjunction with a voltage converter for converting an input voltage to an output voltage....
8174296 Buffer circuit having switch circuit capable of outputting two and more different high voltage potentials  
A buffer circuit includes a first power source node receiving a first voltage, a second power source node receiving a second voltage lower than the first voltage, an output node driving the first...
8174294 Configurable buffer circuits and methods  
A buffer circuit includes a current source circuit, first and second switch circuits that are coupled to the current source circuit, a first resistor coupled to the first switch circuit, a second...
8169232 Apparatus and method for generating resistance calibration code in semiconductor integrated circuit  
A resistance calibration code generating apparatus includes a code calibration unit configured to calibrate and output code values of a resistance calibration code during predetermined cycles of a...
8159261 Semiconductor circuit  
A semiconductor circuit includes a pad, a pad driver connected to the pad at an output terminal thereof and configured to calibrate a voltage of the pad in response to code signals, a comparison...
8143924 Semiconductor integrated circuit device having pulse generating circuits  
There is provided a circuit whose output is free from high impedance to improve wrong transmission and waveform overshoot, realizing a semiconductor integrated circuit device in which plural...
8138794 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...
8130013 Driving circuit of input/output interface with changeable output force  
A driving circuit of an input/output (I/O) interface is provided. The driving circuit includes a main output stage and an enhancing unit. The main output stage receives at least one driving signal...
8125245 Circuitry for matching the up and down impedances of a voltage-mode transmitter  
Some embodiments of the present invention provide a voltage-mode transmitter. The transmitter can include configuration circuitry, bias circuitry, and a set of driver slices. Each driver slice can...
8120381 Impedance adjusting device  
An impedance adjusting device includes a calibration unit configured to generate an impedance code for adjusting a termination impedance value, a plurality of termination units configured to be...
8115515 Radiation hardened differential output buffer  
A radiation hardened differential output buffer is partitioned into multiple stages, each including at least one current source and a bridge circuit. Each stage receives substantially the same...
8102186 Semiconductor integrated circuit with first and second transmitter-receivers  
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...
8085066 xCP on 2 CSI  
A microprocessor control unit (MCU) is mounted on a printed circuit board. The MCU includes first and second clocked serial interface (CSI) circuits. The first CSI circuit is configured to...
8085081 Semiconductor device for output of pulse waveforms  
A semiconductor device has multiple high-side field-effect transistors and multiple low-side field-effect transistors connected to a single output terminal to generate an output signal. A driver...
8081012 Semiconductor buffer circuit with variable driving capability according to external voltage  
A semiconductor buffer circuit that operates stably against PVT fluctuation is disclosed. The disclosed semiconductor buffer unit of the present invention includes: a detecting block configured to...
8076954 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...
RE43015 Capacitive high-side switch driver for a power converter  
The present invention discloses a capacitive high-side switch driver for a power converter. The capacitive high-side switch driver according to the present invention includes an inverter and two...
8072242 Merged programmable output driver  
Embodiments provide input/output devices having programmable logic that is programmable to operate input/output devices in one of two drive modes. In various embodiments, to operate an...
8063658 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...
8054101 Current source applicable to a controllable delay line and design method thereof  
A current source and a method for designing the current source are provided. The current source is designed by a recursive rule and enables controllable delay lines to provide linear delay and...
8049530 Output impedance calibration circuit with multiple output driver models  
A method and circuitry for calibration of the output impedance of output driver circuits in an integrated circuit is disclosed. The output drivers within an area on the integrated circuit are...
8044685 Floating driving circuit  
A floating driving circuit according to the present invention comprises an input circuit to receive an input signal. A latch circuit receives a trigger signal for generating a latch signal. The...
8044684 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...
8035418 Output driver  
An output driver of a semiconductor device includes driving transistors and a body bias providing unit. The driving transistors are coupled in parallel and configured to drive an output terminal....
8035417 Output buffer circuit with variable drive strength  
An output buffer circuit has a variable output drive strength, depending on a buffer enable signal. Multiple output buffer circuits have a variable combined output drive strength, depending on a...
8026740 Multi-level signaling for low power, short channel applications  
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...
8022731 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...
8018245 Semiconductor device  
A semiconductor device is provided. A pull-up slew rate controller receives a first driving control signal generated in a first mode of operation, a second driving control signal generated in a...
8009744 Twisted pair communication system, apparatus and method thereof  
A communication system comprises a twisted pair communication link operably coupled to at least two driver stages for providing at least two independent input signals on the twisted pair...
8008952 Buffer circuit having switch circuit capable of outputing two and more different high voltage potentials  
A buffer circuit outputs a low voltage and high voltages as opposed logic signals and a first high voltage and a second high voltage that is higher than the first high voltage as the high...
8004314 Semiconductor device  
A semiconductor device is able to terminate internal transmission lines and including a pre-driving unit configured to generate a pull-up driving signal and a pull-down driving signal...
8004313 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...
7999572 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...
7999569 Edge rate suppression for open drain buses  
An edge rate suppression circuit arrangement is provided for operation with an open drain bus. The circuit arrangement includes a variable resistive circuit having an input for receiving a...
7994812 Calibration circuit, semiconductor device including the same, and data processing system  
A semiconductor device adjusting an impedance level of an output buffer, includes a replica buffer circuit including a circuit configuration substantially identical to the output buffer, a counter...
7986174 Output driver circuit  
An output driver circuit includes a pre-driver unit and a first driving unit. The pre-driver unit is configured to generate a driving selection signal and a driving signal from a pre-driving...
7982501 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...
7973563 Programmable IO architecture  
A buffer device coupled to at least one input/output port of an integrated circuit has a plurality of control inputs configured to receive configuration programming information. The at least one...
7973553 Techniques for on-chip termination  
A circuit includes first transistors and a comparator. The comparator compares a reference signal and a signal that is based on conductive states of the first transistors. A control circuit...
7973564 High load driving device  
A high load driving device is disclosed. The driving device comprises an inverter receiving a digital voltage. The inverter reverses the digital voltage, and then sends out it. The output terminal...
7969197 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...
7969195 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...
7965104 Data transmission system and method, and electronic apparatus provided with same data transmission system  
A data transmission system includes a transmitter including a drive unit outputting complementary signals to first and second transmission lines according to data for transmission, and a receptor...
7961008 Data output driving circuit of semiconductor memory apparatus  
A data output driving circuit includes a plurality of driving units that are set to have different impedance values from one another, and the number of driving units is less than the number of a...
7961014 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...
7956638 Impedance adjusting circuit  
An impedance adjusting circuit that includes an external terminal to which an external resistor is connected, a first transistor array of a first conductivity type that is connected in parallel...
7956646 Buffer circuit and control method thereof  
The present disclosure has been worked out to provide a buffer circuit and a control method thereof capable of controlling the timing at which the output switching element is changed from an OFF...