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7616033 |
Apparatus and method for supplying voltage in semiconductor device
For supplying voltage to at least one main current consuming unit, a voltage supply unit provides the voltage to the at least one main current consuming unit at a supply node. In addition, an...
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7616032 |
Internal voltage initializing circuit for use in semiconductor memory device and driving method thereof
Provided are an internal voltage initializing circuit for use in a semiconductor memory and a driving method thereof, which are capable of preventing a back bias voltage from abnormally increasing...
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7612588 |
Power on detection circuit
A power on detection circuit for accurately detecting an input voltage with a simple circuit structure and reduced current consumption includes a voltage conversion circuit, which converts input...
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7609099 |
Power-on detecting circuit
A circuit for detecting a power-on voltage of power supply encompasses a voltage divider connected between a first power supply and a second power supply, the potential of the second power supply...
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7602225 |
Power on reset circuit for a digital device including an on-chip voltage down converter
A power on reset circuit initializes at power on a digital integrated circuit, and includes a first power on reset signal generator powered by an external power supply voltage and generates a first...
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7602222 |
Power up circuit with low power sleep mode operation
A power up circuit that having reduced power consumption during power saving modes, while maintaining an active flag signal indicating that the power supply voltage is satisfactory. This is...
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7596166 |
Integrated circuit device including a spectrum spread clock generator, method for controlling the device, and ink-jet recording apparatus including the device
An integrated circuit device is provided including a plurality of circuit blocks which operate based on a clock signal. The quartz oscillation circuit outputs a first clock signal. A spectrum...
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7589574 |
System and method for power on reset and under voltage lockout schemes
A system and method for power-on reset and under-voltage lockout schemes. The system includes a first transistor, which includes a first gate, a first terminal, and a second terminal, the second...
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7589573 |
Startup circuit and method
A startup circuit provides a single connection to a node of a reference or other circuit to be started. The startup circuit injects high current into devices to start a reference circuit. The...
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7589572 |
Method and device for managing a power supply power-on sequence
Apparatus, systems, and methods are disclosed that operate to trigger a reference voltage generator from a supply voltage detector, compare an output voltage level from the reference voltage...
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7589568 |
Variable power and response time brown-out-reset circuit
A brown-out-reset circuit having programmable power and response time characteristics. These characteristics may be programmed over an n-bit wide bus for 2 n different characteristics ranging from...
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7586350 |
Circuit and method for initializing an internal logic unit in a semiconductor memory device
Provided is a semiconductor memory device and a driving method for initializing an internal logic circuit within the semiconductor memory device under a stable state of a source voltage without an...
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7586346 |
Power good signal generating circuit
A power good signal generating circuit includes a first resistor and a capacitor, a system power is grounded via the first transistor and the capacitor in sequence; a first transistor, the base of...
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7586345 |
Over-voltage protection circuit and method thereof
Example embodiments are directed to an over-voltage protection circuit and method thereof. The over-voltage protection circuit may include a voltage converter, a voltage comparator, a delay unit,...
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7583114 |
Supply voltage sensing circuit
A supply voltage sensing circuit comprises an internal power supply circuit, which provides a constant output voltage regardless of the supply voltage. A delay circuit generates a delayed signal by...
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7576663 |
Inline audio/visual conversion
A system, method, and apparatus for inline audio/visual conversion are described. Power to an inline converter is provided over the A/V cable that couples the converter to a destination such as a...
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7576575 |
Reset signal generator in semiconductor device
A reset signal generator includes an output unit, a trip signal generator, an inverter unit, and a variation reducing unit. The output unit generates a reset signal from a pre-reset signal, and the...
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7573306 |
Semiconductor memory device, power supply detector and semiconductor device
A semiconductor memory device includes a n-channel type MOSFET in which a drain and a gate are connected to an external power supply and a source and a back gate are connected each other. A node is...
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7570091 |
Power-on reset circuit
A determination unit of a power-on reset circuit of a semiconductor integrated circuit is provided that ANDs (1) a first monitoring signal output from a first monitoring unit for monitoring when a...
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7570090 |
Fast power-on detect circuit with accurate trip-points
A power-on reset circuit includes a first PNP transistor having an emitter, a base, and a collector coupled to ground; a second PNP transistor having an emitter coupled to the base of the first...
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7567098 |
Multi-threshold reset circuit
A device can include one or more circuits that are configured to be powered by a supply voltage having a specified minimum operating value and a specified nominal operating value; and a reset...
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7564279 |
Power on reset circuitry in electronic systems
One or more embodiments of the present disclosure provide methods, devices, and systems for operating power on reset (POR) circuitry. One method embodiment includes providing a voltage to a POR...
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7564278 |
Power-on reset circuit
A circuit and a method generate a power-on reset signal having a leading part and a trailing part. The circuit includes a startup circuit generating the leading part of the power-on reset signal...
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7545186 |
Reset circuit
A reset circuit includes a power supply detection circuit, a power-down detection circuit, and an output circuit. The power supply detection circuit outputs a first signal when a first voltage...
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7525353 |
Brown out detector
A brown out detector includes a first resistive element connected to a first voltage and a first node. A capacitor is connected to the first node and a second voltage. The detector also includes a...
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7523336 |
Controlled power sequencing for independent logic circuits that transfers voltage at a first level for a predetermined period of time and subsequently at a highest level
Embodiments of the invention address deficiencies of the art in respect to power sequencing, and provide a method, system and computer program product for supporting coupling with independent logic...
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7519486 |
Method and apparatus to test the power-on-reset trip point of an integrated circuit
Circuitry for testing a power-on-reset circuit in an integrated circuit includes a high-voltage detector coupled to a first I/O pad of the integrated circuit. A power-on-reset circuit in the...
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7518419 |
Wideband power-on reset circuit
A power-on reset circuit includes a trigger circuit that indicates when a power supply has been turned on, and when the supply has reached a voltage level that is sufficient for normal chip...
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7515880 |
Variable gain frequency multiplier
A variable gain frequency multiplier comprises a multiplier circuit and a control circuit configured to receive a power control signal, the power control signal being proportional to a power output...
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7512848 |
Clock and data recovery circuit having operating parameter compensation circuitry
A clock and data recovery circuit includes even and odd latches, a detection module, a clock recovery module, a compensating module, and a data recovery module. The even and odd latches are...
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7508254 |
Reference supply voltage circuit using more than two reference supply voltages
A reference supply voltage circuit includes a detecting device for detecting a first reference voltage, a comparator, and a preventing circuit for preventing any false operation during...
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7504870 |
Power-on reset circuit
A power-on reset circuit. The power-on reset circuit includes a switch, a current source coupled between a first potential and a switch first contact; a resistive device having a resistive-device...
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7501864 |
Method and system for providing a power-on reset pulse
Provided are a method and system for providing a power-on reset pulse. The system includes a level detector configured to receive an input signal and produce, at least indirectly, a reset signal...
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7498855 |
Power-on clear circuit
A power-ON-clear circuit has a reset period when the power supply stops temporarily (or instantaneously) and then that power supply is restored. The power-ON-clear circuit 30 of a semiconductor...
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7489167 |
Voltage detection and sequencing circuit
A voltage detection and sequencing circuit is provided, preferably on a single semiconductor chip, for applying a plurality of voltages to an electrical system in a predetermined sequence. The...
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7482847 |
Power-on reset circuit
The invention provides a power-on reset circuit capable of outputting a reset signal again and reducing an influence exerted upon the reset signal caused by the variation in a manufacturing process...
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7479817 |
Semiconductor device
A memory voltage monitoring circuit generates a low voltage detection signal when a power supply voltage drops below a memory contents holding voltage. A reset circuit generates a reset signal from...
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7474130 |
Compensation of voltage-to-current converter
A voltage-to-current converter providing an output current with compensation for process-voltage-temperature (PVT) variations of a component in the voltage-to-current converter. The...
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7469353 |
Power sequencing
Methods and arrangements to establish power rails for a computer system in accordance with a sequence requirement are disclosed. Embodiments may interconnect voltage regulators for components of a...
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7466172 |
Supply voltage level detector
Supply voltage level detectors are disclosed. The supply voltage level detector comprises a voltage source divider dividing a voltage source to generate a detection voltage, a bandgap reference...
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7466171 |
Voltage detection circuit and circuit for generating a trigger flag signal
An integrated circuit that includes at least one tunneling device voltage detection circuit for generating a trigger flag signal. The tunneling device voltage detection circuit includes first and...
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7463074 |
Integrated circuit and method for generating a ready signal
An integrated circuit comprises an input for receiving a supply voltage, a field-effect transistor with a gate which is connected to the input in such a manner that the gate voltage present at the...
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7453295 |
Low-voltage detection reset circuit
A low-voltage detection reset circuit that suppresses a current consumption in a stand-by mode and is reduced in a size is offered. The low-voltage detection reset circuit is provided with a...
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7449926 |
Circuit for asynchronously resetting synchronous circuit
A reset signal generation circuit for generating a reset signal synchronously or asynchronously to a clock signal in accordance with an operation state. An operation detection circuit detects...
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7449925 |
Method for initialization of electronic circuit units, and electric circuit
In a method for initializing at least one electronic circuit unit of an electric circuit, a supply voltage is applied to a power supply connection unit of the electronic circuit in order to supply...
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7439782 |
Semiconductor integrated circuit device with power-on reset circuit for detecting the operating state of an analog circuit
A semiconductor integrated circuit device operates using a first power supply and a second power supply differing from the first power supply in voltage. The semiconductor integrated circuit device...
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7439781 |
Power detection circuit for non-contact IC card or RFID tag
A power detection circuit has a first comparator block, a charge controller block, and a second comparator block. The first comparator block compares a supply voltage with a first threshold value,...
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7436226 |
Power-up detection circuit that operates stably regardless of variations in process, voltage, and temperature, and semiconductor device thereof
A power-up detection circuit which operates in a stable way regardless of variation in PVT. The power-up detection circuit includes a bias circuit that generates a bias voltage in response to an...
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7432748 |
Sequence-independent power-on reset for multi-voltage circuits
A power-on reset (“POR”) methodology and circuit for an electronic circuit using multiple supply voltage domains asserts a reset signal upon ramp up of the first supply voltage signal,...
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7427882 |
Method and apparatus for switching on a voltage supply of a semiconductor circuit and corresponding semiconductor circuit
A method and an apparatus for switching on a voltage supply of a voltage domain of a semiconductor circuit is disclosed. A voltage supply is connected to a supply voltage of the semiconductor...
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