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US20110187441 Temperature Compensation Via Power Supply Modification to Produce a Temperature-Independent Delay in an Integrated Circuit  
A method and circuitry for adjusting the delay of a variable delay line (VDL) in a delay locked loop (DLL) or other delay element or subcircuit on an integrated circuit is disclosed. Such delay...
US20110025385 Power Supply Noise Rejection in PLL or DLL Circuits  
A phase controller can be part of a phase-locked loop (PLL) or a delay-locked loop (DLL). The phase controller includes first and second regulators. The first regulator provides power supply noise...
US20110121868 CLOCK BUFFER  
An apparatus is provided. The apparatus comprises a first bipolar junction transistor (BJT) differential pair having a first BJT and a second BJT, a second BJT differential pair having a third BJT...
US20110267094 CIRCUIT AND METHOD FOR DETECTING A FAULT ATTACK  
A device for detecting a fault attack, including: a circuit for detecting an interruption of a power supply; a circuit for comparing the duration of said interruption with a first threshold; and a...
US20130191677 Regional Clock Gating and Dithering  
A system and method for dithering a clock signal during idle times is disclosed. An integrated circuit (IC) includes a number of functional units and a clock tree. The clock tree includes a root...
US20130207714 SHUNT SWITCH AT COMMON PORT TO REDUCE HOT SWITCHING  
Pilot switch circuitry grounds a hot node (an injection node) of a microelectromechanical system (MEMS) switch to reduce or eliminate arcing between a cantilever contact and a terminal contact when...
US20110006829 ISOLATION CIRCUIT  
An isolation circuit is provided. The isolation circuit is coupled to an output and an input node and includes a first set, a second switch set, and a body bias voltage generator. The first switch...
US20120194253 High Voltage Tolerant Differential Receiver  
A high voltage tolerant differential receiver circuit includes a voltage divider ladder that is operative to divide in half differential input signals that are greater than threshold voltages of...
US20140266414 INTERNAL VOLTAGE GENERATOR AND CONTACTLESS IC CARD INCLUDING THE SAME  
A voltage generator of a contactless integrated circuit (IC) card includes a regulator configured to generate a first internal voltage based on an input voltage and a first reference voltage, the...
US20140266385 DUAL SUPPLY LEVEL SHIFTER CIRCUITS  
A dual supply level shifter circuit includes a switching circuit and a set of level shifter circuits coupled to the switching circuit. The switching circuit includes a first set of coupled...
US20140015601 POWER SUPPLY CIRCUIT  
A power supply circuit to supply an internal voltage to an output node includes: a pull-up driver, in response to a result obtained by comparing the internal voltage to a first reference voltage,...
US20130169353 INTERNAL VOLTAGE GENERATION CIRCUIT  
An internal voltage generation circuit includes a pumping voltage generation unit configured to generate a pumping voltage when a first internal voltage has a lower level than a first reference...
US20130321086 BIAS CIRCUIT AND POWER AMPLIFIER HAVING THE SAME  
There are provided a bias circuit supplying different levels of bias power according to respective power modes through a simple circuit configuration, and a power amplifier having the same. The...
US20120229183 POWER-ON RESET CIRCUIT AND ELECTRONIC DEVICE HAVING THE SAME  
A power-on reset circuit includes a current source circuit supplying a current that varies according to a temperature to a first node, a first transistor connected between the first node and a...
US20140176116 QUANTIFYING SILICON DEGRADATION IN AN INTEGRATED CIRCUIT  
A first instance and a second instance of an oscillating circuit are each formed as part of an integrated circuit and are used to monitor degradation over time of one or more portions of the...
US20130162341 AUTO-CALIBRATING A VOLTAGE REFERENCE  
A method and circuitry for determining a temperature-independent bandgap reference voltage are disclosed. The method includes determining a quantity proportional to an internal series resistance of...
US20150028920 MULTIPLEXER, LOOK-UP TABLE AND FPGA  
The present invention relates to a multiplexer comprising at least a first input and a second input and one output connected to the first input via a first pass gate and to the second input via a...
US20120068739 HIGHLY EFFICIENT CLASS-D AMPLIFIER  
A simplistic low cost circuit that generates the necessary drive voltage for use in a source follower totem pole power switching circuit is described where the simplified gate drive circuit may...
US20140300413 POWER TRANSISTOR GATE DRIVER  
The present invention relates to a gate driver for a power transistor comprising a first charging path operatively connected between a first voltage supply and a gate terminal of the power...
US20130321055 HIGH VOLTAGE CLAMP CIRCUIT  
This document discloses, among other things, a voltage clamp circuit where an output voltage equals an input voltage for at least a portion of a first range of input voltages, and where the output...
US20120274146 ADVANCED CLOCK SYNCHRONIZATION CIRCUIT FOR SWITCH MODE POWER SUPPLIES  
In a switch mode power supply, a circuit and method for switching between an internal clock and an external synchronization clock when a stable external clock has been detected, and for switching...
US20110273407 SCAN DRIVER, METHOD OF DRIVING THE SCAN DRIVER, AND ORGANIC LIGHT-EMITTING DISPLAY INCLUDING THE SCAN DRIVER  
A scan driver includes a plurality of stages and is capable of overlapped driving of scan signals output by each of the stages. A method of driving the scan driver, and an organic light emitting...
US20150002215 INTEGRATED CIRCUITS AND METHODS FOR MONITORING FORWARD AND REVERSE BACK BIASING  
An integrated circuit includes a device of a first conductivity type formed in a first well; a voltage regulator configured to provide a bias voltage to the first well based on a first reference...
US20140002161 CIRCUIT ARRANGEMENT, A RETENTION FLIP-FLOP, AND METHODS FOR OPERATING A CIRCUIT ARRANGEMENT AND A RETENTION FLIP-FLOP  
Various aspects of this disclosure provide a circuit arrangement, including: an input; a first latch circuit coupled to the input, the first latch circuit including a first forward inverter and a...
US20120038416 Low-Power, High-Voltage Integrated Circuits  
Embodiments relate to an ultra-low-power, high-voltage integrated circuit (IC) that also has high electromagnetic compatibility (EMC). Embodiments address the desire for an ultra-low-power,...
US20140361824 CLOCK INTEGRATED CIRCUIT  
The clock circuit of an integrated circuit operates with variations such as temperature, ground noise, and power noise. Various aspects of an improved clock integrated circuit address one or more...
US20140055187 CLOCK INTEGRATED CIRCUIT  
The clock circuit of an integrated circuit operates with variations such as temperature, ground noise, and power noise. Various aspects of an improved clock integrated circuit address one or more...
US20120319756 Clock Integrated Circuit  
The clock circuit of an integrated circuit operates with variations such as temperature, ground noise, and power noise. Various aspects of an improved clock integrated circuit address one or more...
US20110210776 Clock Integrated Circuit  
The clock circuit of an integrated circuit operates with variations such as temperature, ground noise, and power noise. Various aspects of an improved clock integrated circuit address one or more...
US20110133804 CLOCK INTEGRATED CIRCUIT  
The clock circuit of an integrated circuit operates with variations such as temperature, ground noise, and power noise. Various aspects of an improved clock integrated circuit address one or more...
US20110234303 ELECTRIC FUSE CIRCUIT AND METHOD OF OPERATING THE SAME  
A fuse circuit includes an electric fuse coupled to a first voltage source; a low resistance unit coupled to the electric fuse and having a junction which is capable of breaking down; and a...
US20140312959 CURRENT SWITCHING DEVICE WITH IGCT  
An exemplary current switching device includes an integrated gate-commutated thyristor with an anode, a cathode, and a gate, wherein a current between the anode and the cathode is interruptible by...
US20110204924 Techniques For Measuring Voltages in a Circuit  
A circuit includes a comparator, a resistor divider, a control circuit, a multiplexer, and a programmable gain amplifier. The comparator is operable to measure an internal voltage of the circuit...
US20120169379 VOLTAGE HOLD CIRCUIT  
A voltage hold circuit includes four switches, an operational amplifier and a capacitor. By turning the switches on and off, the operational amplifier functions as a unity-gain buffer. In the...
US20140118029 HIGH VOLTAGE OFFSET DETECTION CIRCUIT  
A high voltage half-bridge driver circuit has a high voltage terminal and a floating node to be connected with a high side switch therebetween. When turning on the high side switch, a high voltage...
US20110301475 VOLTAGE-FREQUENCY CONVERSION CIRCUIT AND BLOOD PRESSURE MEASUREMENT DEVICE EQUIPPED WITH SAME  
A resistor element is arranged between an input terminal and a node. A switch element is arranged between the node and a ground voltage, and is conducted according to a voltage level of the node. A...
US20110267138 Synchronous rectifier circutits  
This invention relates in Synchronous Rectifier Circuits, comprises: AC input terminal, switch, driving circuit, protect opposite current circuit and a load, to improved conventional Synchronous...
US20140118073 CANCELLATION OF DYNAMIC OFFSET IN MOS RESISTORS  
A circuit utilizes a MOS device in a triode mode of operation and includes a biasing circuit and a MOS device. The MOS device has a drain, a source, and a gate terminal, and is coupled to the...
US20130093504 REFERENCE VOLTAGE GENERATORS, INTEGRATED CIRCUITS, AND METHODS FOR OPERATING THE REFERENCE VOLTAGE GENERATORS  
A reference voltage generator is described. The reference voltage generator includes a proportional to absolute temperature (PTAT) current source, the PTAT current source being capable of providing...
US20120146715 Temperature Independent Reference Circuit  
A temperature independent reference circuit includes first and second bipolar transistors with commonly coupled bases. First and second resistors are coupled in series between the emitter of the...
US20110298529 Temperature independent reference circuit  
A temperature independent reference circuit includes first and second bipolar transistors with commonly coupled bases. First and second resistors are coupled in series between the emitter of the...
US20110121889 Temperature independent reference circuit  
A temperature independent reference circuit includes first and second bipolar transistors with commonly coupled bases. First and second resistors are coupled in series between the emitter of the...
US20140111259 POWER-ON RESET CIRCUIT  
A power-on reset circuit includes a power confirmation module and a reset signal generator. The power confirmation module receives a supply voltage and generates a reference voltage and a...
US20110115533 POWER-ON-RESET CIRCUIT WITH BROWN-OUT RESET FOR MULTIPLE POWER SUPPLIES  
A power-on reset circuit includes a first circuit and a second circuit. The first circuit include a first NMOS transistor having a gate controlled by a low voltage supply VDD_L, a resistor...
US20130335132 CIRCUIT SHARING TIME DELAY INTEGRATOR  
The present invention discloses a circuit sharing time delay integrator structure. The major composing elements of this circuit sharing time delay integrator structure are: a sharing circuit, a...
US20120235731 CONTINUOUS TUNABLE LC RESONATOR USING A FET AS A VARACTOR  
A varactor includes a field effect transistor (FET) integrated with at least a portion of a bipolar junction transistor (BJT), in which a back gate of the FET shares an electrical connection with a...
US20140108826 COMPACT LOW POWER LEVEL SHIFTER FOR DUAL RAIL  
The described apparatus and methods may include a first shifting stage configured to receive a signal having an upper power rail at a first voltage level and a lower power rail at a second voltage...
US20110068838 ELECTRONIC DEVICE FOR POWER-ON-RESET  
An electronic device is provided that includes a power-on-reset (POR) circuit. The POR circuit includes a trigger stage configured to change an output if a first power supply voltage level exceeds...
US20120319758 BI-FET CASCODE POWER SWITCH  
Power switch devices for high-speed applications are disclosed. The power switch device includes a depletion mode field effect transistor (D-FET), an enhancement mode field effect transistor...
US20120182062 TEMPERATURE SENSOR DEVICE  
Provided is a temperature sensor device operable at a lower voltage. The temperature sensor device detects temperature based on an output voltage of a forward voltage generator for generating a...