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7616050 |
Power supply circuit for producing a reference current with a prescribable temperature dependence
A power supply circuit is provided for producing a reference current with a prescribable temperature dependence. The circuit includes two current sinks, which at their respective input take up a...
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7610165 |
Semiconductor memory device having on die thermal sensor
A semiconductor memory device includes: a temperature information output unit for measuring an internal temperature of the semiconductor memory device, and generating a plurality of flag signals,...
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7609105 |
Voltage level generating device
The present invention discloses a voltage level generating device. The voltage level generating device includes: a reference voltage generating module, a first circuit module, a second circuit...
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7605643 |
Voltage generation circuit and method thereof
A voltage generation circuit may include a static current circuit and/or a current mirror. The static current circuit may include a first resistor. The current mirror may include a second resistor,...
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7605642 |
Generic voltage tolerant low power startup circuit and applications thereof
Circuits and systems including a startup circuit coupled to a reference source for providing startup current to the reference source wherein no transistor of the startup circuit experiences a...
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7605641 |
Apparatus comprising a charge pump and LCD driver comprising such an apparatus
Apparatus comprising a charge pump ( 20 ) with multiple independently regulated outputs (V 1 , V 2 ) for providing different voltage levels at each of said outputs. The charge pump ( 20 ) comprises...
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7602235 |
Semiconductor device with internal current generating section
A semiconductor device comprising an internal current generating section ( 1 ) for supplying an output current (i 2 ) dependent on an input current (i 1 ) into an IC, an external terminal ( 2 ) for...
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7602234 |
Substantially zero temperature coefficient bias generator
In an embodiment, a bias generator circuit comprises a first circuit and a second circuit. The first circuit includes a first input coupled to a voltage source and a first output that provides a...
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7602230 |
Control integrated circuit for a charge pump
An integrated control circuit for a charge pump includes a first device for regulating the output voltage of the charge pump and a second device for increasing the output voltage from the charge...
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7598798 |
Trimmer device and related trimming method
A trimmer device for adjusting a reference signal of a target circuit is disclosed. The trimmer device includes: a switch controlling module and an impedance adjustment circuit. The switch...
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7595745 |
Circuit for converting a voltage range of a logic signal
In a circuit to convert a first logic signal having a first range to a second logic signal having a second range, a switch selectively couples an output node to a first reference voltage when the...
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7595685 |
Power efficient and fast settling bias current generation circuit and system
Bias current generation systems are disclosed. In one embodiment, a bias current generation system comprises a proportional to absolute temperature (PTAT) current source generating a PTAT current,...
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7595684 |
Voltage generation circuit and semiconductor memory using the same
The voltage generation circuit is disclosed that has a standard voltage generation circuit, a minimum voltage setting circuit, a voltage setting circuit that gradually sets voltage by switching a...
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7592862 |
Digital temperature sensing device using temperature depending characteristic of contact resistance
A digital temperature sensing device uses temperature depending characteristic of contact resistance of a MOS transistor and a self-refresh driving device adjusts its self-refresh period depending...
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7589584 |
Programmable voltage regulator with dynamic recovery circuits
Voltage regulator circuitry is provided. The voltage regulator circuitry is suitable for powering core logic on a programmable logic device. The voltage regulator circuitry receives an external...
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7589580 |
Reference current generating method and current reference circuit
Provided are a reference current generating method and a current reference circuit. The reference current generating method includes generating a first current using a NMOS transistor and a second...
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7586365 |
Apparatus for controlling voltage
An apparatus for controlling a voltage includes a reference voltage generator that generates reference voltage, and a bulk bias voltage generator that generates a bulk bias voltage using the...
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7586364 |
Power supply voltage controlling circuit and semiconductor integrated circuit
A power supply voltage controlling circuit has a voltage regulator circuit that supplies a current to an output terminal from at least any of a first power supply and a second power supply, and...
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7586340 |
Driving apparatus having an adjustable driving current output
An exemplary driving apparatus capable of generating a driving current, including: an analog input generating circuit, an analog input driving circuit, and an output circuit. The analog input...
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7583107 |
Sense amplifier circuit for low voltage applications
A sense amplifier circuit for low voltage applications is provided. In one implementation, the sense amplifier circuit includes a reference current generation circuit coupled to a power supply. The...
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7583034 |
LED controller and method therefor
In one embodiment, a vertical N-channel transistor is coupled in a high side configuration to control a current through an LED. A control circuit operates the vertical N-channel transistor to...
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7579903 |
Power-source potential control circuit and method of trimming power-source potential
A power-source potential control circuit has: an output terminal outputting a control signal to a power-source generating device which generates a power-source potential in accordance with the...
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7576597 |
Electronic device and related method for performing compensation operation on electronic element
The present invention discloses an electronic device and related method for performing a compensation operation on an electronic element, wherein the electronic device includes: a control module,...
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7576596 |
Internal voltage generator of semiconductor device
Embodiments of the present invention are directed to provide an internal voltage generator of a semiconductor memory device for generating a predetermined stable level of an internal voltage. The...
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7576595 |
Buffer circuit
The objective of the present invention is to present a buffer circuit by which a load can be driven at a high speed while restraining an increase in power consumption. A current input to npn...
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7576594 |
Method and device for reducing influence of early effect
A method is provided for improving the performance of a circuit containing a three-terminal device. In the operation of a circuit containing three-terminal device 10 , the influence of the Early...
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7573325 |
CMOS reference current source
A CMOS reference current source comprises two circuit branches connected in parallel between supply terminals. The first circuit branch includes a series connection of a bias current source (MP 1 )...
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7573323 |
Current mirror bias trimming technique
A reference current is generated by a current mirror circuit. An operational amplifier of a feedback circuit generates a control voltage for control of the feedback circuit transistor. The size of...
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7570107 |
Band-gap reference voltage generator
A band-gap reference voltage generator is provided that is capable of being used at low voltage simultaneously with adjusting a reference voltage.
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7570040 |
Accurate voltage reference circuit and method therefor
In one embodiment, a voltage reference circuit is configured to use two differentially coupled transistors to form a delta Vbe for the voltage reference circuit.
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7567117 |
Data output clock signal generating apparatus and semiconductor integrated circuit with the same
A data clock control apparatus includes a bias voltage generator configured to receive a plurality of test mode signals and a plurality of fuse signals and to generate a bias voltage to secure a...
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7564300 |
High voltage generator
A high voltage generator includes a charge pump configured to output a pumping voltage in accordance with a first clock signal and a second clock signal having a level opposed to a level of the...
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7564299 |
Voltage regulator
In some embodiments, regulator circuits are provided.
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7554387 |
Precision on chip bias current generation
Bias current generation circuits and systems are disclosed. In one embodiment, a bias current generation system comprises a current generation circuit generating a first current based on a first...
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7554312 |
DC-to-DC voltage converter
According to an embodiment of the invention, a method and apparatus for DC voltage conversion are described. According to one embodiment, a voltage converter comprises a current mirror, the current...
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7551020 |
Enhanced output impedance compensation
A compensation circuit for compensating an output impedance of at least a first MOS device over PVT variations to which the first MOS device may be subjected includes a first current source...
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7551005 |
Output circuit and current source circuit used in the same
An output circuit includes a constant current circuit that generates and supplies a constant current to an output terminal of the output circuit. Based on the constant current, the output circuit...
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7551003 |
Current mirror circuit and constant current circuit having the same
A current mirror circuit includes a pair of first and second transistors having bases connected together and emitters connected to a power line, a resistor connected between the bases of the first...
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7548088 |
Systems and methods for current management for digital logic devices
Systems and methods for current management for digital logic devices are provided. In one embodiment, a method of current management for a digital logic circuit comprises drawing power to drive a...
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7545204 |
Semiconductor device
A semiconductor device is disclosed which can perform a stable data inputting operation by overdriving a terminal supplying an internal voltage used as a drive voltage for a write driver such that...
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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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7545165 |
System architectures for and methods of scheduling on-chip and across-chip noise events in an integrated circuit
Integrated circuit (IC) system architectures that allow for the reduction of on-chip or across-chip transient noise budgets by providing a means to avoid simultaneous high current demand events...
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7541861 |
Matching for time multiplexed transistors
An embodiment of the present invention is directed to a method of matching currents to a known ratio including generating a control signal from a control circuit, which includes a value that...
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7535284 |
Switching control circuit
A switching control circuit, controlling a transistor, of a voltage generating circuit generating an output voltage of a target level from an input voltage applied to the transistor, comprising: an...
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7535283 |
Gate drive circuit, semiconductor module and method for driving switching element
There is provided with a gate drive circuit including: a first switching element connected at one end to a power terminal; a second switching element connected at one end to the other end of the...
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7532515 |
Voltage reference generator using big flash cell
A voltage reference generator includes multiple closed loop voltage references. Each of the closed loop voltage references uses a flash cell with a variable threshold voltage and a feedback loop to...
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7532063 |
Apparatus for generating reference voltage in semiconductor memory apparatus
An apparatus for generating a reference voltage in a semiconductor memory apparatus according includes: a first voltage generating unit configured to generate a voltage proportional to temperature;...
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7528637 |
Driver circuit
A driver circuit for outputting an output signal corresponding to an input signal given to the driver circuit, includes a voltage generating unit for outputting a basic output voltage corresponding...
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7525370 |
Circuits for generating a reference voltage
A circuit of generation of a reference voltage by a first MOS transistor connected to a first terminal of application of a supply voltage, the first transistor being in series with a second MOS...
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