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7764082 On-die termination circuit  
Methods and apparatuses to terminate transmission lines using voltage limiters. In one aspect, a termination circuit is integrated on a substrate to terminate a transmission line connected from...
7759999 Externally asynchronous internally clocked system  
An Externally Asynchronous-Internally Clocked (EAIC) system that generates an internal clock signal includes a clock signal control block. The clock signal control block includes a pull-up unit...
7755385 Method for operating an electronic device with reduced pin capacitance  
A method of operating an electronic device having an output driver with on die termination legs ODT, and non-ODT legs, includes the step of selectively tri-stating tuning transistors (ZQ trim...
7750688 High speed CMOS output buffer for nonvolatile memory devices  
An output CMOS buffer includes MOS enhancement transistors and has a second complementary pair of natural or low threshold transistors, connected respectively in parallel to transistors of...
7746123 Switching system with reduced EMI  
Various apparatuses, methods and systems for switched mode electronic circuits with reduced EMI are disclosed herein. For example, some embodiments of the present invention provide apparatuses...
7746096 Impedance buffer and method  
An impedance buffer has a single comparator with a first input and a second input. A first leg has a first pull-up array in series with a reference resistor. The first input of the single...
7741871 Integrated circuit device, electro-optical device, and electronic instrument  
An integrated circuit device includes a high-speed serial interface circuit that includes a receiver circuit that receives differential signals through a serial bus, first and second guard...
7737728 OCD driver slew rate control  
An off-chip driver (OCD) includes: a logic circuit, for providing a logic signal input; a pre-driver stage, coupled to the logic circuit, for providing a ramped up voltage in response to the logic...
7733120 Impedance adjustment circuit  
Disclosed is an impedance adjustment circuit including a comparator and a resistor control circuit. The comparator compares the resistance value of an external resistor and that of a replica...
7728620 System including preemphasis driver circuit and method  
A system including a preemphasis driver circuit and a method. One embodiment includes an output terminal, a main driver coupled between the input terminal and the output terminal and an auxiliary...
7724034 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...
7719307 Data output driving circuit of semiconductor apparatus  
A data output driving circuit for a semiconductor apparatus can include a code multiplier configured to multiply a received first code by a multiplication factor determined in response to a...
7719313 Versatile and compact DC-coupled CML buffer  
Differential signal output nodes of a novel CML buffer are DC-coupled by contiguous conductors to the differential signal input nodes of a load (for example, a CML logic element). The CML buffer...
7719314 Slew rate control circuit for small computer system interface (SCSI) differential driver  
An interface driver circuit includes a plurality of delay cells. Each delay cell includes a data input, a delayed data output configured to communicate with the data input of an adjacent one of...
7719325 Active-load dominant circuit for common-mode glitch interference cancellation  
An active-load dominant circuit for common-mode glitch interference cancellation, biased between a first voltage potential and a second voltage potential with an accompanying common-mode glitch...
7714618 Output driver circuit with output preset circuit and controlling method thereof having lower power consumption  
The configurations of an output preset circuit for an output driver circuit and the controlling methods thereof are provided. The proposed output preset circuit includes a latch generating an...
7715249 Semiconductor memory having an output driver equipped with a threshold voltage detecting circuit for adapting the drive capability thereof  
An output driver of a semiconductor memory apparatus comprises a voltage dividing block configured to generate divide voltages by dividing an internal voltage, a threshold voltage detecting block...
7711870 Interface detecting circuit and interface detecting method  
An interface detecting circuit and interface detecting method are provided, whereby operations can be carried out depending on peripheral devices connected to USB terminals, and whereby the system...
7705625 Source transistor configurations and control methods  
Source transistor configurations are described for reducing leakage and delay within integrated circuits. Virtual power and ground nodes are supported with the use of stacked transistor...
7701253 Booster circuits for reducing latency  
A booster circuit for reducing the nominal latency of a logic gate. The booster circuit includes a charge sharing mechanism to transfer a stored charge to the output of the logic gate in response...
7692445 Output buffer circuit and differential output buffer circuit, and transmission method  
In an output buffer circuit including Inverter 1 to Inverter 3, Delay Circuit 1 to Delay Circuit 3 for delaying an input signal for a specific time, Buffer 1 to Buffer 3, and a function for...
7692450 Bi-directional buffer with level shifting  
A bi-directional buffer is connected between a first node and a second node, wherein the first node is connected by a first pull-up resistor to a first voltage supply rail, and the second node is...
7683657 Calibration circuit of on-die termination device  
A calibration circuit of an on-die termination device includes a code generating unit configured to receive a voltage of a calibration node and a reference voltage, to generate calibration codes....
7679414 Method and apparatus for tuning delay  
Aspects of the disclosure provide a fine tunable digital delay circuit that can be applied in a high frequency digital circuit. Further, the digital delay circuit can utilize a level restoring...
7679397 Techniques for precision biasing output driver for a calibrated on-chip termination circuit  
Techniques are provided for controlling an on-chip termination (OCT) in an output driver. The OCT control circuit calibrates the effective resistance of transistors in the output driver to match...
7675324 Pre-driver logic  
At least one of the disclosed systems includes driver logic that is capable of driving a device and pre-driver logic coupled to the driver logic and that drives the driver logic. If the pre-driver...
7675316 Semiconductor memory device including on die termination circuit and on die termination method thereof  
A semiconductor memory device is provided. The device includes an on die termination circuit controlling a termination resistance value by detecting a phase change of a signal inputted through a...
7675315 Output stage with low output impedance and operating from a low power supply  
A low-impedance output stage which operates from a low voltage power supply. In an embodiment, the output stage contains an operational amplifier and two PMOS transistors used in a feedback...
7667492 Input buffer  
Methods and corresponding systems for buffering an input signal include outputting a first logic value in response to the input signal being below a lower threshold. A second logic value is output...
7667493 Data transmitter  
Data transmitter includes a first and second output nodes terminated to a first level, a controller configured to generate an off signal that is activated by logically combining first and second...
7667514 Delay circuit and electronic device including delay circuit  
A delay circuit includes: a current control circuit which has n (n is 1 or larger natural number) control pins and a first output line, and is capable of controlling current outputted from the...
7668021 Semiconductor memory device including output driver  
A semiconductor memory device has a data output device. The data output device is provided with a slew rate control unit for detecting the number of transitions of a plurality of output data to...
7663413 Line driver circuit having means for stabilizing output signal  
A line driver circuit for stabilizing a signal that is output through a transmission line, wherein the line driver circuit receives a first signal having a first swing width corresponding to a...
7659754 CMOS power switching circuit usable in DC-DC converter  
A power switching circuit in CMOS technology has a power MOS transistor and a driver stage. The power MOS transistor is operated at a higher supply voltage in excess of its maximum allowable...
7656186 Calibration circuit, semiconductor device including the same, and data processing system  
A calibration circuit includes: replica buffers; an up-down counter that changes impedance codes of the replica buffers; latch circuits each holding the impedance codes; an end-determining circuit...
7656209 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...
7646220 Reduced voltage subLVDS receiver  
A rail-to-rail high speed subLVDS receiver demonstrates good jitter and duty cycle performance for high-speed signals at low power supply levels. A sample receiver includes a voltage shifter for...
7646215 Efficient method for implementing programmable impedance output drivers and programmable input on die termination on a bi-directional data bus  
A combined input and termination circuit comprises a fixed portion of impedance and a programmable portion of impedance. The fixed portion is able to be fixed in a driver mode and a termination...
7646229 Method of 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...
7642811 Slew rate controlled output driver for use in semiconductor device  
An output driver for use in a semiconductor is capable of maintaining its slew rate constantly regardless of PVT (Process/Voltage/Temperature) variation. The output driver includes a pre-driving...
7642810 Input circuit for semiconductor integrated circuit  
An input circuit for a semiconductor integrated circuit in which an operational state is constant even when a process condition, a temperature, a voltage, and the like are varied at the time of...
7639062 Electronic device and communication device comprising the same  
In an electronic device according to the present invention, a source of the first signal-wire drive transistor is connected to a first power supply, a drain of the first signal-wire drive...
7639044 Semiconductor integrated circuit, semiconductor integrated circuit control method, and signal transmission circuit  
A semiconductor integrated circuit, a semiconductor integrated circuit control method, and a signal transmission circuit realizing optimization of the performance of a semiconductor integrated...
7633312 Data transmission apparatus and a data receiving apparatus used for the same  
In data transmission apparatus, a transmission line is connected with a transmitting unit and includes a first transmission line and a second transmission line. A receiving unit is connected with...
7626422 Output driver and method thereof  
An output driver and method thereof. In the method, a current may be adjusted to adjust a power consumption in response to a change in a data rate. A first example output driver may include at...
7619439 Semiconductor device  
When a plurality of output buffer circuits are provided, chip layout size, power consumption, and number of pins of an LSI circuit are reduced. A voltage generation circuit generates reference...
7612585 Pull-up circuit for an input buffer  
An input buffer has a high voltage leg in parallel with a low voltage leg. The low voltage leg pulls up the pad when the pad voltage is below the power supply voltage. The high voltage leg remains...
7605611 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...
7598785 Apparatus and method for adjusting slew rate in semiconductor memory device  
A slew-rate adjusting apparatus for use in a semiconductor memory device includes: a slew-rate modulation signal generator for generating a slew-rate modulation signal according to the number of...
7586332 Off-chip driver  
A driver includes a plurality of first PMOS transistors, a first resistor, a amplifier, a second PMOS transistor and a second resistor. The amplifier herein receives a reference voltage and...