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Document Title |
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7609113 |
Constant current bias circuit and associated method
A constant current bias circuit and associated method is disclosed. The constant current bias circuit comprises an output stage for amplifying a radio frequency (RF) signal, wherein the output...
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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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7525368 |
Fuse circuit
A fuse circuit comprises at least one fuse circuit unit and a current blocking module. The fuse circuit unit comprises a voltage establishing module and a latch. The voltage establishing module is...
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7479824 |
Dual mode voltage supply circuit
A dual mode voltage supply circuit ( 50 ) includes an active mode voltage supply circuit ( 58 ) and a passive mode voltage supply circuit ( 60 ). The active mode voltage supply circuit ( 58 ) is...
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7479823 |
Multiple circuit blocks with interblock control and power conservation
A semiconductor integrated circuit is provided including a plurality of circuit blocks and adapted to cut off the supply of power source voltage to any one of the circuit blocks. The integrated...
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7392401 |
Data storage apparatus
In an encryption storage apparatus (data storage apparatus) ( 1 ), when entered an allocation request signal (a 1 ), a key management section ( 7 ) outputs a generation request signal (b) to a...
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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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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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7313048 |
Reset detection circuit in semiconductor integrated circuit
A reset detection circuit for a logic circuit and a RAM includes a first determining circuit, a second determining circuit and a reset signal generating circuit. The first determining circuit...
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7312653 |
NMOS reverse battery protection
A reverse polarity protected system comprises a voltage source that includes positive and negative terminals. A polarity-sensitive device has a first terminal that communicates with the positive...
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7292072 |
Sub-micron high input voltage tolerant input output (I/O) circuit
A method of providing bias voltages for input output connections on low voltage integrated circuits. As integrated circuit voltages drop generally so does the external voltages that those circuits...
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7282988 |
Bandgap reference circuit
A bandgap reference circuit is proposed. To remove parasitic effects, this includes the combination of a first circuit section ( 1 ), which generates a temperature-proportional voltage, and a...
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7276984 |
Oscillation circuit capable of having stable oscillation in wide temperature range
An oscillation circuit includes a constant current source, a current mirror circuit configured to receive a constant input current from the constant current source and to output a current...
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7259615 |
Bias voltage supply circuit and radio-frequency amplification circuit
A bias-voltage supply circuit of a radio-frequency amplification circuit has the constant-voltage power supply generating a constant voltage higher than the bias voltage, a rectifier transistor and...
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7233193 |
High voltage switching circuit of a NAND type flash memory device
A high voltage switching circuit of a NAND type flash memory device that includes a clock level shifter for increasing an amplitude of a clock signal, a pass voltage generator for outputting a pass...
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7142038 |
Selection circuit
A selection circuit having a comparator with comparator inputs connected to first and second voltage inputs), respectively, and a comparator output connected to a control input of a first...
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7102419 |
Bias generator that automatically adjusts its slew rate
A bias generator that automatically adjusts its slew rate is disclosed to generate an output bias current and adjust the output bias current according to the frequency of a clock signal. The slew...
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6963240 |
Damping of LC ringing in IC (integrated circuit) power distribution systems
A structure and method for damping LC (inductance-capacitance) ringing in integrated circuit (IC) power distribution systems. The structure comprises a resistance electrically connected in parallel...
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6958642 |
Ground difference compensating system
A method of ground level compensation includes measuring a voltage of at least one signal with respect to a primary ground potential and measuring, with respect to the primary ground potential, a...
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6943618 |
Compensation mechanism for compensating bias levels of an operation circuit in response to supply voltage changes
A compensation circuit is disclosed for compensating bias levels of an operational circuit in response to variations in a supply voltage. The compensation mechanism identifies variations in the...
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6927599 |
Failsafe for differential circuit based on current sense scheme
A system and method are described for receiving differential currents in a current mode circuit. When conditions occur where the receiver inputs are floating, undriven, shorted together, or one or...
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6914473 |
Arrangement for driving display units with an adaptive start sequence
The invention relates to a circuit arrangement which includes a subvoltage generating unit and a voltage multiplier for generating at least one voltage Vmult, it being arranged to control the...
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6844771 |
Self-leakage detection circuit of decoupling capacitor in MOS technology
A new method to control a switchable decoupling capacitor in an integrated circuit device is achieved. The method comprises providing an integrated circuit device comprising a switchable decoupling...
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6667655 |
Direct-timed sneak current cancellation
A sensing circuit. The circuit includes an integrator to sense charge release from a passive electronic device and a comparator to interpret the charge release as one of at least two data states....
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6639456 |
Current mirror and method for operating a current mirror
A current mirror and method for operating such a mirror include nonlinearly converting an input current (I in + =I 0 and, respectively, I in − =I 0 ) into a voltage in a current sink, the...
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6586986 |
Circuit for generating internal power voltage in a semiconductor device
A circuit for generating internal power voltage comprising: a comparison unit for comparing reference voltage and internal voltage; a buffer unit, its input terminal comprising CMOS inverters, for...
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6563368 |
Integrable current supply circuit with parasitic compensation
Integrable current supply circuit An integrable current supply circuit for feeding a supply current to a signal line ( 12 ) having a current source ( 14 ) for producing a source current which is...
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6545531 |
Power voltage driver circuit for low power operation mode
A power voltage driver circuit includes: a constant voltage generating unit for generating a first constant voltage and a second constant voltage; a clock input buffer unit using an internal...
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6538930 |
Charge pump circuit for generating positive and negative voltage with reverse current prevention circuit and a nonvolatile memory using the same
A charge pump circuit comprising: a first reverse current prevention circuit connected between an external power supply and a first internal node; a first output node, connected to the first...
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6476668 |
Fast-setting, low power, jammer insensitive, biasing apparatus and method for single-ended circuits
A single-ended circuit, such as an LNA ( 300 ), in accordance with the present invention includes an input power matching circuit ( 310 ) and a bias circuit ( 305 ) connected to an output...
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6472930 |
Semiconductor integrated circuit device
A current generator (CG) is composed of a constant-current-source transistor M 1 , and transistors (M 2 , M 3 ). On receipt of control signals (VG 2 , VG 3 ) respectively from a driver circuit (not...
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6441681 |
Method for preserving charges on a cap at the output of a regulator
The present invention includes a circuit to maintain a constant voltage on a storage element such as a capacitor at the output of a regulator during an emergency power condition. It includes a...
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6411156 |
Employing transistor body bias in controlling chip parameters
In some embodiments, the invention involves a system including an integrated circuit. The system a circuit including transistors. The system further includes control circuitry to control a setting...
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6404252 |
No standby current consuming start up circuit
A start-up circuit for a bias generator circuit includes an oscillator, a power monitoring circuit and a controllable current source. As the power supplies begin to ramp up to their final voltage,...
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6373331 |
Method and apparatus for reducing transistor amplifier hysteresis
A biasing method and apparatus which provides bias circuits of radio frequency (RF) power transistors with a low reactive impedance at low frequencies to reduce hysteresis related distortion...
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6359502 |
Semiconductor circuit having isolated oscillator
A semiconductor circuit in which propagated noise from high-speed switching is reduced even if chip size is downsized, by comprises a first circuit such as a DC-DC converter having an oscillating...
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6356144 |
LSI core including voltage generation circuit and system LSI including the LSI core
An LSI core includes a first terminal; a second terminal; and a voltage generation circuit for generating a voltage. The first terminal is connected to a first external line provided outside the...
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6337592 |
Non-volatile semiconductor switch circuit
A semiconductor switch circuit that assuredly preserves a switch condition when a power supply is turned off. When a first signal is set to “L” and a second signal is set to “H” and a...
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6326837 |
Data processing circuit having a waiting mode
A DRAM includes a first power source section for supplying a higher operational voltage in an active mode and a lower waiting voltage in a waiting mode to a data processing section through a source...
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6292050 |
Current and temperature compensated voltage reference having improved power supply rejection
A current and temperature compensated voltage reference circuit uses a power supply voltage as low as 1.3 Volts. A folded-cascode amplifier measures the temperature dependent voltages provided by...
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6281722 |
Bias source control circuit
The invention relates to a control circuit for a bias source including a stand-by device and a starting-aid device, with their respective outputs connected to a control input of the bias source,...
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6252452 |
Semiconductor device
In a semiconductor device operating upon receiving two power supply potentials (VDD1, VDD2) (VDD1<VDD2), the two power supplies must be simultaneously turned on, or the power supply (VDD2) must...
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6204702 |
Arrangement for supplying circuits with direct currents
An analog IC includes analog circuit components and digital circuit components formed from plural I 2 L circuits. The analog IC is supplied with first and second voltages from first and second...
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6198344 |
Back bias voltage level sensing circuit
A back bias voltage level sensing circuit includes a constant current generation unit for generating a constant current regardless of a variation in a power supply voltage; a switch for...
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6188271 |
Fail safe bias system for a tri-state bus
A Norton equivalent implementation of a fail safe bias circuit drives a bus to provide a stable bias voltage which is not affected by an output impedance of a current source. The Norton equivalent...
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6150874 |
Circuit layout and process for generating a supply DC voltage
The invention describes a circuit layout for generating a supply DC voltage in a dependent relationship to a non-constant input DC voltage in three voltage intervals, with the supply voltage being...
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6150867 |
Integrated device for switching systems with filtered reference quantities
An integrated device for a switching system is disclosed. The device includes control circuitry for generating at least one switching control signal, reference circuitry for generating at least one...
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6137345 |
Semiconductor integrated circuit including a boosted potential generating circuit
A semiconductor integrated circuit includes a boosted potential circuit for generating a boosted potential and outputting the boosted potential at an output terminal thereof. The boosted potential...
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6091288 |
Inverter circuit with avalanche current prevention
An electronic circuit includes first and second inductive bias elements coupled to respective first and second switching elements for preventing avalanche current flow through the switching...
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6046624 |
Internal power supply generating circuit for a semiconductor memory device
An internal power supply generating circuit for a semiconductor memory device reduces fluctuations in the external power supply by reducing the rate at which a drive transistor is turned on and...
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