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5892388 |
Low power bias circuit using FET as a resistor
A circuit is provided which generates a reference bias current using a difference in base-emitter voltages of two bipolar transistors imposed across a source terminal and a drain terminal of an MOS...
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5892393 |
Power supply circuit having an auxiliary power source for compensating for main power drop
A power supply circuit is provided with a supplemental power source which is intermittently brought into service each time a main power source is coupled to a high power drain circuit. That is, the...
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5892392 |
Device for setting a bias source at stand-by
The invention relates to a device for setting at stand-by a bias source through a stand-by control signal, including an inverter with an active load controlled by the bias source. The inverter...
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5892394 |
Intelligent bias voltage generating circuit
An intelligent bias voltage generating circuit capable of providing an electronic device with a reliable bias signal includes a power input terminal which is electrically connected to a power...
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5889722 |
Hybrid integrated circuit device and method of fabricating the same
An IC which integrates an EPROM is disposed on a circuit board. Also, a pad for supplying a writing voltage to the EPROM and a voltage supplying circuit, for supplying a power voltage to power...
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5889426 |
Integrated circuit device having a bias circuit for an enhancement transistor circuit
Disclosed is an integrated circuit device. According to the present invention, an integrated circuit device comprises: a high frequency electronic circuit having a first enhancement transistor, to...
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RE36159 |
Semiconductor integrated circuit device having built-in voltage drop circuit
A semiconductor integrated circuit device includes a voltage drop circuit for generating a dropped voltage from a power supply voltage externally supplied to a power supply line, and a plurality of...
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5886565 |
Reference voltage generating circuit having an integrator
A reference voltage generating circuit is provided with a reference voltage output terminal, a voltage dividing circuit that divides a voltage supplied from a power source, and an integrating...
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5883546 |
Array device having functional circuit for a plurality of channels
There is provided an array device including functional circuits for a plurality of channels, constant current generating circuits for the plurality of channels for generating constant currents used...
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5880623 |
Power supply control techniques for FET circuits
Method and circuitry for power control in integrated circuits using field effect transistor (FET) technology are disclosed. According to the present invention, for each circuit block that is biased...
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5874853 |
Semiconductor integrated circuit system
A semiconductor integrated circuit system includes a first power line which supplies a first source power voltage, and a second power line which supplies a second source power voltage. A first edge...
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5869997 |
Intermediate potential generating circuit
In an intermediate potential generating circuit provided in a DRAM, a reference potential generating circuit includes two combinations of a resistor element constituted by a P channel MOS...
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5867430 |
Bank architecture for a non-volatile memory enabling simultaneous reading and writing
A flash memory device is divided into two or more banks. Each bank includes a number of sectors. Each sector includes flash memory cells. Each bank has a decoder that selectively receives an...
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5867040 |
Integrated circuit with stacked sub-circuits between Vcc and ground so as to conserve power and reduce the voltage across any one transistor
The semiconductor integrated circuit device of the present invention includes a plurality of integrated circuits. The scheduling circuit selects an arbitrary number of integrated circuit from the...
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5861767 |
Digital step generators and circuits, systems and methods using the same
A step generator 800 including at least one gate 805 and a voltage divider 806 coupled to an output of gate 805. The selected node of voltage divider 806 provides an output V OUT of generator 800....
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5859560 |
Temperature compensated bias generator
A temperature compensated current source for driving a multi-vibrator (19) includes a voltage generator (10) that outputs a voltage that is proportional to absolute temperature (PTAT) and a...
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5856753 |
Output circuit for 3V/5V clock chip duty cycle adjustments
The present invention provides an analog biased pre-driver and pad as well as a duty cycle adjustment cell prior to the pre-driver and pad. The pre-driver and pad may operate in either a 3 volt...
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5847596 |
Internal voltage generator
An internal voltage generator for a semiconductor device. Whereas a feedback signal is given to maintain a voltage of a predetermined level by a voltage detector in the conventional art, the...
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5847595 |
Semiconductor device having controllable internal potential generating circuit
A semiconductor memory device includes a mode detection circuit for generating a mode detection signal in response to external input signals /RAS, /CAS and /WE, an internal potential generating...
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5844404 |
Voltage regulator for semiconductor non-volatile electrically programmable memory device
A voltage regulator for electrically programmable non-volatile memory cells includes a gain stage which is supplied a voltage from a voltage booster connected to a supply voltage reference, having...
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5838191 |
Bias circuit for switched capacitor applications
An adaptive bias circuit for switched capacitor applications that compensates for temperature and process variations by maintaining a constant settling time of CMOS operational amplifiers is...
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5838188 |
Reference voltage generation circuit
A reference voltage generation circuit includes: a load unit having one end thereof connected to a higher voltage power supply line; an enhancement type n-channel MIS transistor having a drain...
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5831473 |
Reference voltage generating circuit capable of suppressing spurious voltage
In a reference voltage generating circuit including a current mirror circuit having an input and an output, a bias current supply circuit for supplying a bias current to the input of the current...
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5821771 |
Method and apparatus for monitoring or forcing an internal node in a programmable device
A system and method for programming elements in an integrated circuit. The system allows for selection of an internal voltage supply and an external supply. Provision is also possible for improved...
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5818268 |
Circuit for detecting leakage voltage of MOS capacitor
A circuit for detecting leakage voltage of a MOS capacitor, the detecting circuit including a timing control signal generator for generating a timing control signal; a sample/hold circuit for...
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5818286 |
Integrated circuit device capable of making a burn-in setting and test mode setting to run a burn-in and a test mode operation
An integrated circuit device provided with (a) an auto-clear circuit for outputting an auto-clear signal in response to a supply of the power source, (2) a mode signal generating circuit for...
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5815025 |
Intensity controlling circuit device for LED-array head having a plurality of LED-array chips
An intensity controlling circuit device can correct variation in intensity of light beams, due to tolerance occurred in each of a plurality of LED-array chips, emitted by LEDs provided in each of...
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5812020 |
Positive current source
A positive current source (PCS) for supplying common mode current. The PCS includes a pair of unity gain inverting single ended amplifiers that are connected in antiparallel across a pair of...
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5804893 |
Semiconductor device with appropriate power consumption
A semiconductor device operable in a selected mode which is selected from a plurality of operation modes, a number of the operation modes being more than two. The semiconductor device includes a...
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5805010 |
Low-current source circuit
A low-current source circuit for generating a constant current and a reference voltage from a fluctuating voltage source is disclosed. A resistive circuit is electrically connected to the voltage...
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5801581 |
Comparison detection circuit
A detection circuit includes a current mirror circuit that produces electric currents at first and second output terminals in response to a current supplied to its input terminal. A first active...
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5801582 |
Activatable/deactivatable circuit arrangement for producing a reference potential
Activatable/deactivatable circuit arrangement for producing an output reference voltage having a first transistor (T1) whose emitter is connected with a reference potential (M) and whose base and...
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5801575 |
Process and device controlling the operation of a portable electronic object supplied via its antenna
The device comprises, connected to the antenna, a rectifier (RD) delivering a primary DC supply voltage (VNR) at its output terminal (BS), stabilizing means (1,ST) for generating a stabilized DC...
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5801569 |
Output driver for mixed supply voltage systems
An output driver for mixed voltage systems includes an input line for receiving a signal to be output. The circuit also includes an overvoltage generator, coupled between the input line and an...
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5796296 |
Combined resistance-capacitance ladder voltage divider circuit
This invention is a voltage divider circuit having an input voltage at a first terminal (V IN ) and an output voltage at a second terminal (V OUT ). The circuit includes a parallel-connected first...
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5796285 |
Voltage-limiting circuit with hysteresis comparator
In a voltage-limiting circuit, the voltage to be limited is applied to the terminals of a resistive line, and the current flowing in this line is amplified by a current mirror that thus produces a...
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5793232 |
Driver circuit for an injector
An injector control circuit for a motor vehicle electronic injection system utilizing current recirculation to control an injector actuation winding provided with a circuit configuration containing...
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5793247 |
Constant current source with reduced sensitivity to supply voltage and process variation
A current source for generating a current that is relatively stable over variations in the power supply voltage and temperature, and over variations in process parameters is disclosed. The current...
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5789972 |
Regulated reference voltage generator having feedback to provide a stable voltage
An inverter receives an energizing voltage with a particular magnitude (e.g. 1.5 V) at a first terminal and produces the voltage at a second terminal. The received and produced voltages are...
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5786716 |
Signal generator for generating test mode signals
A signal generator for generating test mode signals when any voltage higher than a recommended input high voltage is applied to a predetermined input pin, and for switching from a normal mode to a...
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5786723 |
Voltage switching circuit for a semiconductor memory device
The present invention comprises a cascode circuit of the type having a first and second FET in a first leg and a third and fourth FET in a second leg comprising. The first and third FETs are...
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5784326 |
Voltage raising device
A device for raising voltage comprises a first element for providing a first output pin with a voltage raise in response to a first voltage change at a first input pin, and for providing a second...
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5773997 |
Reference circuit for sense amplifier
Reference circuitry RC includes a current-sensing translator M5-M7, MX connected to a current reference source RS. The outputs O1, O2, etc. of the current-sensing translator M5-M7, MX are mirrored...
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5764099 |
Integrated voltage regulating circuit useful in high voltage electronic encoders
According to the present invention, there is provided an integrated circuit useful in an electronic encoding device having a voltage source, a user interface and a transmitter. In one embodiment...
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5764097 |
Automatically biased voltage level converter
A voltage level converter having: an input bias terminal; connect to first, second and third voltage sources; first and second complementary output terminals; and an input control terminal wherein,...
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5760640 |
Highly symmetrical bi-direction current sources
A bi-directional current source which maintains accurate, substantially equal source and sink currents over a large range of output voltages. The current source includes a primary field effect...
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5760638 |
Phase generator circuit for charge pump type or negative supply circuit
A phase generator circuit cyclically produces a first pair of phase signals and a second pair of phase signals, comprising a first circuit to produce a first phase of each pair of phase signals,...
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5757223 |
Integrated negative D-C bias circuit
A voltage inverter provided as part of a low power amplifier system includes a charge pump capacitor, a charging inverter circuit for charging the charge pump capacitor in response to clock pulses,...
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5757225 |
Voltage generation circuit that can stably generate intermediate potential independent of threshold voltage
A voltage generation circuit includes: a first MOS transistor connected between a first power supply node and an output node, and operating in a source follower mode; a second MOS transistor...
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5757220 |
Digitally controlled programmable attenuator
A digitally controlled programmable attenuator maintains tight phase matching between attenuated signals over wide ranges of frequencies and power levels regardless of the selected attenuation...
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