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Document Title |
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7605616 |
Voltage detector circuit
A voltage detection circuit for accurately detecting a voltage that is unaffected by fluctuation due to variations in transistor characteristics and threshold voltage. The voltage detection circuit...
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7598776 |
Programming circuit with feedback circuit
An exemplary programming circuit ( 40 ) includes an input terminal ( 42 ) configured for receiving an external high voltage signal, a driving circuit ( 20 ), a switch circuit ( 43 ) connected...
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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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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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7586342 |
Programmable amplitude compensation circuit
According to one exemplary embodiment, an amplitude compensation circuit includes a first composite programmable buffer for receiving a first input signal with a first input amplitude. The...
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7583110 |
High-speed, low-power input buffer for integrated circuit devices
A high-speed, low-power input buffer for an integrated circuit device in which the input voltage (VIN) is coupled to both a pull-up and a pull-down transistor. In accordance with a specific...
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7583108 |
Current comparator using wide swing current mirrors
A current comparator includes an input node for receiving an input current, an output node, a first wide swing current mirror having an input coupled to the input node of the current comparator, a...
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7576601 |
Sleep mode control circuit and method for a DC/DC switching power supply system
A sleep mode control circuit and method are provided to pull high the error signal of a DC/DC switching power supply system to a target level when the switching power supply system is in a sleep...
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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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7570083 |
High-speed receiver assembly
A high-speed receiver suitable for applications that desire a common-mode voltage range from approximately 0.7V to approximately 0.9V is arranged by coupling first and second differential pair...
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7570084 |
Semiconductor integrated circuit outputting detection signal based on detection result of a detecting device and electronic device including the same
A semiconductor integrated circuit includes a first external terminal for receiving a voltage converted by a resistance portion from a current varying in response to an extrinsic factor, a second...
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7567628 |
Symmetric differential slicer
A self-biasing slicer includes a self-biased differential transistor pair. As a result of the self-biasing, the slicer may receive input signals without the use of AC coupling. That is, a...
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7564271 |
Sense amplifier and electronic apparatus using the same
A sense amplifier according to the present invention for detecting a potential difference of signals input to a first input terminal and a second input terminal, includes a first means for applying...
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7561137 |
Comparator-based drivers for LCD displays and the like
A comparator-based driver has a configurable inverter that inverts one of the comparator output signals for application to the gate of a driver transistor used to generate the driver output signal....
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7560974 |
Generation of back-bias voltage with high temperature sensitivity
A level detector within a back-bias voltage generator includes a toggling unit and a temperature detector. The toggling unit causes an enable signal to be activated when an absolute value of a...
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7545182 |
Cascode-type current mode comparator and receiver, and semiconductor device having the same
A current mode comparator for a semiconductor device is disclosed. The current mode comparator may include a logic circuit coupled to a voltage sensing node, a first cascode coupled to the voltage...
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7518413 |
Current detection circuit
An upper end voltage and a lower end voltage of a current detection resistor Rs are supplied, via first and second switches S 1 and S 2 , to one end of a main capacitor Ci. A reference voltage...
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7518411 |
Data receiving apparatus using semi-dual reference voltage
A semi-dual reference voltage data receiving apparatus includes a first input buffer, a second input buffer, and a phase detector wherein the first input buffer includes a first input receiving...
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7511538 |
Data input buffer in semiconductor device
A data input buffer in a semiconductor is capable of avoiding operation speed deterioration of the data input buffer due to the temperature condition or process characteristic. The data input...
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7495478 |
Comparator and infrared remote control receiver
A comparator circuit of the present invention includes a comparator section and a current buffer circuit. In a normal mode, a standby current outputted from the comparator section is amplified by a...
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7479809 |
Low power three-level detector
A three-level detector circuit may comprise an input node and a pair of diode-connected transistors having respective drain terminals coupled to the input node. The pair of diode-connected...
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7471119 |
Electronic circuit device
An electronic circuit device has a current correction circuit that supplies a correction current which is capable of offsetting an increment or a decrement of a consumption current of a signal...
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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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7463069 |
Phase detector with selection of differences between input signals
Known phase detectors have feedbackloops and do not function properly under severe conditions. By providing said phase detectors with difference establishers ( 1 ) for establishing differences...
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7459941 |
Voltage detecting device
A device for detecting an interface voltage of a Universal Serial Bus (USB) interface. The device includes first and second voltage level indicators, and first and second control circuits. The...
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7460848 |
Differential signal strength detector
A signal detection circuit includes a first signal multiplier operably coupled to square an input signal, a second signal multiplier operably coupled to square a reference signal, and a filter...
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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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7439780 |
Chopper type comparator
A comparator includes: a CMOS inverter constituted by a combination of a first p-channel MOS transistor and a first n-channel MOS transistor; a second p-channel MOS transistor connected in parallel...
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7417471 |
Voltage comparator having hysteresis characteristics
A voltage comparator having hysteresis includes a comparing section that compares an input voltage with a reference voltage so as to output a high-level or low-level signal; and a reference voltage...
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7414439 |
Receiver for a switched signal on a communication line
A receiver for receiving a switched signal on a communication line ( 1 ), such as a LIN bus, the signal varying between first and second voltage levels (sup, ground). The receiver comprises a...
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7403051 |
Determining voltage level validity for a power-on reset condition
Determining voltage level validity for a power-on reset condition is described. A supply voltage is applied to an integrated circuit. An oscillating signal is generated responsive to the supply...
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7394295 |
Sense amplifier
The invention relates to a sense amplifier comprising the following element: a first current mirror unit coupled to a high voltage source, outputting a first current and a second current according...
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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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7366041 |
Input buffer for low voltage operation
An input buffer having differential amplifiers for receiving input signals to generate an output signal. The input buffer operates with a relatively low supply voltage and a relatively wide range...
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7362143 |
Circuit and method for monitoring a supply voltage and providing an indication when the supply voltage falls below a predetermined threshold
A power supply monitoring circuit is provided that utilises an adaptive internal control of the refresh rates of capacitors to reduce the power requirements of the circuit. The circuit provides at...
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7362622 |
System for determining a reference level and evaluating a signal on the basis of the reference level
A circuit exhibits a signal input, means for determining a reference level on the basis of properties of a signal received at the signal input. In addition, the circuit further exhibits means for...
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7358779 |
Amplitude compensation circuit with programmable buffers
According to one exemplary embodiment, an amplitude compensation circuit includes a first composite programmable buffer for receiving a first input signal with a first input amplitude. The...
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7358778 |
Voltage detection circuit, semiconductor device, method for controlling voltage detection circuit
A voltage detection circuit for accurately detecting a voltage while suppressing the voltage fluctuation due to the off-leak current of a transistor. The voltage detection circuit includes first...
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7349190 |
Resistor-less accurate low voltage detect circuit and method for detecting a low voltage condition
A low voltage detect circuit is provided herein for detecting when an external voltage (Vext) drops below a predetermined minimum voltage. In general, the low voltage detect circuit described...
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7348807 |
Electric circuit for providing a selection signal
An electric circuit for providing a selection signal being used to select a control value of a control variable which oscillates, at steady state, about a reference value about a first control...
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7348836 |
Integrated circuit core power supply event monitor
An integrated circuit core power supply event monitor is disclosed. The integrated circuit core power supply event monitor includes a plurality of sub-circuit power supply event monitors. Each...
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7348808 |
Method and apparatus for detection of high-speed electrical signals
A signal detector includes, in part, first and second peak detectors, a comparator and an amplifier. The first peak detector generates a first signal in response to receiving an incoming signal....
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7336107 |
Comparator circuit and control method thereof
This invention provides a comparator circuit which outputs a stable waveform without oscillation even if a gradient of a change of a comparison input signal is small and determines a magnitude of...
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7332939 |
Comparator system and method for comparing an input signal with a reference level using said system
A comparator system for comparing a level of an input signal with a level of a reference signal comprises a first comparator configured to input the input signal to one of input terminals thereof...
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7327301 |
Single end to differential signal converter
A single end to differential signal converter comprising a low-frequency transmission step, which mixes the direct current and low-frequency components of single-ended signals with in-phase voltage...
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7307466 |
Potential detector and semiconductor integrated circuit
An integrated semiconductor circuit has a potential detector for detecting a potential boosted by a high voltage generator. One terminal of a first capacitor is connected to a potential detection...
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7301374 |
Chip for operating in multi power conditions and system having the same
An apparatus for controlling an I/O interface of a chip operated in multi-power conditions includes an enable signal generator for generating an enable signal based on a chip power down signal; a...
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7298182 |
Comparator using differential amplifier with reduced current consumption
A comparator circuit with reduced current consumption, and other circuits utilizing the same, are provided. The comparator circuit may achieve reduced current consumption by preventing current flow...
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7295046 |
Power down detection circuit
A power down reset circuit for asserting a signal when a first V DD voltage falls below a voltage threshold. The circuit has at least one diode coupled to the first V DD voltage. The at least one...
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RE39918 |
Direct current sum bandgap voltage comparator
A direct current sum bandgap voltage comparator for detecting voltage changes in a power supply. The direct current sum bandgap voltage comparator includes a summing node, current sources connected...
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