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7612603 |
Switching frequency control of switched capacitor circuit using output voltage droop
A frequency control circuit including a controlled oscillator and an amplifier circuit is disclosed for providing a clock signal to a switched capacitor circuit which divides an input voltage to...
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7605635 |
Threshold control circuitry for multiple current signal receivers
Calibration circuitry and method for maintaining constant signal detection thresholds for multiple signal receivers that receive data signals in the form of current signals. A value of one of the...
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7592855 |
Trimming circuit and semiconductor device
A trimming circuit is disclosed. The trimming circuit includes a first trimming circuit having resistors and fuses, and a second trimming circuit having a resistor, an NMOS transistor, and a...
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7586338 |
Increasing the availability and redundancy of analog current outputs
There is described a method for increasing an availability and a redundancy of an analog current output as well as an analog current output with increased availability and redundancy. To improve...
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7583130 |
Input biasing system for bracketing a floating power supply about an input signal
An input biasing system for accommodating a floating power supply to the range of an input signal includes input terminals for receiving a input signal and a biasing circuit including a first...
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7576600 |
Supply voltage switching circuit
A supply voltage switching circuit for a computer includes a chipset, a first transistor and a second transistor. The chipset includes a first MOSFET and a second MOSFET. A 5V system voltage and a...
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7576588 |
Quick turn on apparatus and method for a NMOSFET switch
A quick turn on apparatus and method for a NMOSFET switch are used to maintain the gate voltage of the NMOSFET switch non-zero but not enough to turn on the NMOSFET switch, such that the NMOSFET...
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7573317 |
Apparatus and methods for adjusting performance of integrated circuits
A programmable logic device (PLD) includes a delay circuit and a body-bias generator. The delay circuit has a delay configured to represent a delay of user circuit implement in the PLD. The...
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7554384 |
Methods and arrangements for generating a control signal for a power converter
A “digital data stream,” “binary sequence” or word can be generated by a logic circuit such as a processor and the sequence can be converted to a series of pulses such that the content of...
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7554383 |
Chip for non-contact reader/writer having power-supply management function
The present invention relates to a semiconductor integrated-circuit device capable of seamlessly switching a power source obtained by rectifying a carrier wave and an external power source. The...
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7545200 |
Leakage current compensated system
A leakage current compensated multiplex driver system includes a multichannel mux having a predetermined leakage current at the switched side of each channel and a leakage current compensation...
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7545199 |
Power supply circuit for oscillator of semiconductor memory device and voltage pumping device using the same
Disclosed are a power supply circuit for an oscillator of a semiconductor memory device and a voltage pumping device using the same. In the power supply circuit, a voltage divider divides a voltage...
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7525345 |
Swing limiter
A swing limiter comprises a logic circuit including a first pull-up transistor and a first pull-down transistor connected between first and second nodes and which generate an output signal; a...
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7521987 |
Multiple supply voltage select circuit for reduced supply voltage levels
Multiple supply voltage select circuit for use with reduced supply voltage levels and method for using same are described. A first and second set of P-channel transistors are used for voltage...
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7521986 |
Switch element driver circuit and semiconductor device
Noise generation is reduced further. Oscillation control circuit 11 generates a modulation signal modulating oscillation frequency of an oscillation signal generated by oscillation circuit 12 ...
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7511558 |
Semiconductor devices utilizing double gated fully depleted silicon on insulator MOS transistors
A CMOS circuit in low-voltage implementation, low power-consumption implementation, high-speed implementation, or small-size implementation. In a circuit which uses a FD-SOI MOST where a back gate...
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7509227 |
High-speed digital multiplexer
A high-speed digital multiplexer is disclosed, The multiplexer includes a plurality of input pins for receiving a plurality of digital input signals ad switching circuitry coupled to the input...
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7501883 |
Apparatus and method for generating internal voltage adaptively from external voltage
Provided are an apparatus and method for generating an internal voltage adaptively with respect to an external supply voltage. The apparatus includes a class detector and an internal voltage...
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7499348 |
Apparatus for sensing data of semiconductor integrated circuit
An apparatus includes a plurality of first driving signal driving units, and generates a first driving signal by driving an input signal, a plurality of second driving signal driving units, each of...
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7499007 |
Maximizing efficiency of battery-powered LED drivers
An apparatus and method is provided for optimizing LED driver efficiency. The present invention offers low cost solutions for powering LEDs while minimizing overall power dissipation in devices...
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7493505 |
MCU with low power mode of operation
A low power system is disclosed for working in conjunction with a digital circuit that is disposed between positive and negative terminals. The system includes an internal voltage generator for...
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7489181 |
Circuit which can be programmed using a resistor and which has a reference current source
A circuit configured to be programmed using a resistor includes an output terminal, a reference voltage source, a first circuit, and a current mirror arrangement. The output terminal is configured...
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7474757 |
Circuit and method for providing an auto-off and/or auto-on capability for an audio device
A circuit (FIGS. 2 A- 2 D) and method of providing an auto-on and/or auto-off capability for an audio device, of a type having an audio plug ( 14 ) which mates with the output jack of an audio...
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7466191 |
Self reverse bias low-power high-performance storage circuitry and related methods
An integrated circuit is provided comprising a first NMOS transistor; a first PMOS transistor; a second NMOS transistor; a second PMOS transistor; a first bias voltage node coupled to a first...
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7463081 |
Internal voltage generator and internal clock generator including the same, and internal voltage generating method thereof
An internal voltage generator that generates an internal voltage for a Delay Locked Loop (DLL) and an internal clock generator including the same, and an internal voltage generating method for a...
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7460416 |
Voltage supply circuit and semiconductor memory
Each of first and second differential amplifiers has a function of increasing a bias current in response to the activation of a drivability control signal. A first driving circuit connects an...
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7449973 |
Semiconductor circuit for reducing flicker noise
A semiconductor circuit for reducing flicker noise includes a negative-conductance generator and a body bias voltage supplying circuit. The negative-conductance generator includes a pair of...
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7446593 |
Power supply with programmable fuse for mode selection
A voltage regulator operable as a voltage follower while a fusible link is closed and in a regulated voltage mode when the fusible link becomes open. The voltage regulator can be formed on...
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7443231 |
Low power reference voltage circuit
A circuit for providing a reference voltage includes a bandgap reference circuit, the bandgap reference circuit providing a first reference voltage and a data storage. The data storage stores a...
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7443228 |
Leakage current prevention circuit
A leakage current prevention circuit for preventing a power source from being affected by leakage current includes a first transistor, and a second transistor. A gate of the first transistor...
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7443195 |
Method of transparently reducing power consumption of a high-speed communication link
A method of reducing power consumption while maintaining performance characteristics and avoiding costly over-design of a high-speed communication link embedded in an SOC is provided. The method...
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7437582 |
Power control in a data flow processing architecture
Method and system for dynamically adjusting performance of circuitry blocks are described. A first circuit domain is coupled to an interim storage device. The first circuit domain includes a first...
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7417488 |
Regulation circuit for inductive charge pump
Embodiments of an inductive charge pump are generally described herein. Other embodiments may be described and claimed.
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7400483 |
Method and apparatus providing final test and trimming for a power supply controller
A power supply controller having final test and trim circuitry. In one embodiment, a power supply controller for switched mode power supply includes a selector circuit, a trim circuit, a shutdown...
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7394305 |
High-voltage pump switching circuit including ramp and discharge
A regulator for regulating the output from a high-voltage pump, Vpump, to provide a regulated load voltage, Vpp, to a load in MOSFET integrated circuits. The regulator includes a MOSFET switch...
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7386740 |
Method for efficient supply of power to a microcontroller
A method and a system for supplying power to a microcontroller with a single cell. One embodiment of the present invention discloses incorporation of a power supply pump circuit with the...
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7385434 |
Circuit for preventing latch-up in DC-DC converter
There is provided a circuit for preventing latch-up in a DC-DC. The circuit for preventing a latch-up phenomenon in a DC-DC converter, the DC-DC converter having a first and a second DC-DC...
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7372316 |
Temperature compensated reference current generator
A first order temperature compensated reference current generator includes a current device providing a controlled current, a startup circuit connected to the current device for initiating...
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7368975 |
Methods and apparatus for reduced hardware multiple variable voltage generator
A circuit is described that generates multiple voltages each having a common reference point. The circuit uses a feedback control loop to generate a center voltage, a first voltage generator, and a...
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7365572 |
Multipath input buffer circuits
Provided is a multi-path input buffer circuit, which passes a signal input to a semiconductor device through different paths in consideration of the voltage level of the input signal. The...
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7365571 |
Input buffer with wide input voltage range
The input buffer is driven by a data input/output supply voltage. The input buffer generates an output signal from an input signal that swings between the data input/output supply voltage and a...
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7362161 |
Power supply switching circuit, data processing device, and method of controlling data processing device
A power supply switching circuit includes a detection circuit which detects a reduction in a voltage level of the main power supply and outputs a detection signal; a first switch circuit which...
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7358792 |
Discharge device and DC power supply system
A discharge device and DC power supply system for preventing erroneous operation of a series regulator. The discharge circuit includes a voltage comparison circuit for comparing input power supply...
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7355467 |
Physical layers
Improvements to the physical layer are provided, for example a test circuit that does not introduce further skew into critical clock signals. A boundary scan test circuit is also provided used to...
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7352234 |
Current control technique
An output driver circuit and current control technique to facilitate high-speed buses with low noise is used to interface with high-speed dynamic RAMs (DRAMs). The architecture includes the...
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7349681 |
Self-biased high-speed receiver
A self-biased high-speed receiver is described. The receiver is powered by one power supply with the core operation voltage and one power supply with the IO operation voltage. The receiver is...
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7342434 |
Semiconductor device including capacitor having decoupling capacity
A capacitor has a MOS gate structure in which a gate insulating film is held between a gate terminal and a ground terminal as a dielectric. A switch unit is connected between the gate terminal and...
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7332956 |
Method to avoid device stressing
A system for protecting a weak device operating in micro-electronic circuit that includes a high voltage power supply from high voltage over stressing prevents the weak device from failing during...
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7332954 |
Eased gate voltage restriction via body-bias voltage governor
An arrangement, to ease restriction upon gate voltage (Vgg) magnitudes for a dynamic threshold MOS (DTMOS) transistor, may include: an MOS transistor including a gate and a body; and a...
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7332763 |
Selective coupling of voltage feeds for body bias voltage in an integrated circuit device
An integrated circuit device having a body bias voltage mechanism. The integrated circuit comprises a resistive structure disposed therein for selectively coupling either an external body bias...
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