Matches 401 - 450 out of 876 < 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >
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5376839 Large scale integrated circuit having low internal operating voltage  
Practical structures of an ultra large scale semiconductor integrated (ULSI) circuit especially a dynamic random access memory of 16M bits or more are involved. The ULSI circuit uses internal...
5373226 Constant voltage circuit formed of FETs and reference voltage generating circuit to be used therefor  
A constant voltage circuit formed of MOS transistors is provided, which comprises a reference voltage generator and an error amplifier performing the temperature compensation of a reference voltage...
5367248 Method and apparatus for precise modulation of a reference current  
The invention provides a method and apparatus for precise modulation of a reference current. A current generating apparatus in accordance with the invention is provided on an integrated circuit...
5367201 Control circuit system for control of parameters in logic circuits or similar  
A control circuit system for controlling one or more parameters in a circuit with at least one operational stage is disclosed, in the form of a delay stage or a logic stage, the operational stage...
5362988 Local mid-rail generator circuit  
A voltage generation circuit (10) is provided including a first plurality of transistors (12, 14, 16, 18) having source/drain paths coupled in series to establish a first current path between a...
5363333 Dynamic random access memory device having power supply system appropriately biasing switching transistors and storage capacitors in burn-in testing process  
A power supply system incorporated in a dynamic random access memory device distributes a step-down power voltage and a boosted voltage to a sense amplifier unit and a word line driver for allowing...
5361002 Voltage compensating CMOS input buffer  
The CMOS voltage compensating input buffer circuit of the present invention provides a means to stabilize input level trip points and is comprised of a voltage compensating circuit having an input...
5361001 Circuit and method of previewing analog trimming  
An analog trim circuit enables and disables one or more serially connected passive elements for setting characteristics of the circuit. Each passive element has a transistor across its first and...
5361000 Reference potential generating circuit  
A reference potential generating circuit includes a plurality of MOS field effect transistors and a reference potential driver circuit. The MOS field effect transistors have different threshold...
5359552 Power supply tracking regulator for a memory array  
A voltage regulator is provided for controlling an on-chip voltage generator which produces a boost voltage across a charge reservoir for supply to one input of a plurality of word line drivers in...
5359235 Bus termination resistance linearity circuit  
An I/O bus interface cell includes a driver circuit having an input terminal fed by a logic signal and an output terminal to produce in response thereto a drive signal having selectable rise and...
5352936 High voltage tolerant voltage pump constructed for a low voltage CMOS process  
An integrated circuit charge pump which includes a pair of serially arranged P channel transistor devices connected with their source and drain terminals in series. The devices are constructed as N...
5350951 Voltage change circuit for a microcomputer  
A microcomputer including first, a voltage change circuit which includes circuitry for selecting one of two voltages applicable to a PROM and, second, leak current prevention circuitry for...
5347170 Semiconductor integrated circuit having a voltage stepdown mechanism  
The external power supply voltage applied to an external power supply terminal is supplied to an internal stepdown circuit and a switch circuit. The value of the external power supply voltage is...
5343034 Bias circuit for photodiode having level shift circuitry  
In order to reduce a change in reverse bias to a photodiode due to drift of a power supply caused by, e.g., noise, and to suppress generation of a wrong photoelectric current detection signal, a...
5343086 Automatic voltage detector control circuitry  
A voltage detector for providing an indication of the power supply level. The voltage detector includes a differential amplifier which compares the core voltage supply with the peripheral voltage...
5341034 Backup battery power controller having channel regions of transistors being biased by power supply or battery  
A power control circuit (10) is operable to select between a backup battery (14) on a terminal (16) and a primary power supply voltage on a terminal (12) to output a voltage to a powered device...
5338981 Semiconductor device having a decoding circuit for selection chips  
There is disclosed a semiconductor device having a plurality of chips in which a predetermined extended addresses are allocated for each of the chips to select the chips in a multiple-chip module,...
5338988 Voltage converting circuit with low consumption driver  
A voltage converting circuit receiving an input voltage and an increased voltage and providing an output voltage higher than the input voltage at an output terminal, comprises a first pair of gate...
5339272 Precision voltage reference  
A precision voltage reference circuit which includes a pair of similar flash EEPROM memory cells, each of the pair of similar flash EEPROM memory cells having a different charge on its floating...
5338989 Microwave integrated circuit  
A microwave integrated circuit comprises a first field effect transistor (FET) whose source is grounded via a capacitor and is connected to a source bias constant current source and to the drains...
5337254 Programmable integrated circuit output pad  
A system is described that includes an integrated circuit chip having output paths connected to a network whose electrical of capacitance characteristics can vary. The system includes a circuit for...
5331209 Auto-reset circuit with improved testability  
A first active element has its first terminal coupled to a first power-supply terminal, its second terminal coupled through a resistor to a second power-supply terminal, and its third terminal...
5327028 Voltage reference circuit with breakpoint compensation  
A voltage reference circuit includes a band-gap reference circuit for providing a reference voltage and having breakpoint compensation to adjust the temperature coefficient of the reference voltage...
5327072 Regulating circuit for a substrate bias voltage generator  
A regulating circuit for a substrate bias voltage generator for generating a substrate bias voltage in an integrated semiconductor circuit includes a Schmitt trigger circuit disposed between a...
5321323 Surge limited low power transceiver circuit  
A transceiver (100) for TTL and RS232 communication with automatic sensing (130) of the type of input and adjustment of the output to correspond together with current stealing (131) from the input...
5319256 Semiconductor device for generating constant potential  
A constant potential generating semiconductor device includes: an output circuit having a first channel type first transistor and a second channel type second transistor serially connected between...
5317532 Semiconductor memory device having voltage stress testing capability  
A semiconductor memory device which comprises memory cells arranged in rows and columns on a semiconductor substrate, each having one transistor and one capacitor, word lines each connected to...
5317201 Logical circuit for detecting a potential  
A logical circuit includes an inverter circuit for judging fluctuations of a potential at a potential detecting point, a power-source potential step-down circuit for supplying a potential between a...
5317254 Bipolar power supply  
A bipolar power supply capable of selectably supplying either a positive or a negative voltage at an output terminal. The power supply comprises a first operational amplifier, a second operational...
5315231 Symmetrical bipolar bias current source with high power supply rejection ratio (PSRR)  
A bandgap reference voltage source (104) has positive and negative terminals (104a,104b) which are connected through high impedance constant current sources (124c,126c) to positive and negative...
5315165 Output circuit for outputting control signal to controlled apparatus  
An output circuit for outputting a control signal through a transistor to a controlled apparatus including an output detecting section for detecting the control signal and an external power supply...
5309399 Semiconductor memory  
A semiconductor memory has a first internal circuit operated by an external source, a second internal circuit operated by an internal source which outputs an internal voltage lower than that of the...
5306961 Low-power integrated circuit with selectable battery modes  
An integrated circuit which can be operated EITHER in a battery-backed mode OR in a battery-operated mode. This is accomplished without any necessity for bond options, mask alteration, laser...
5306960 Common bias circuit for a plurality of discrete IC's each having their own bias circuritry  
A circuit is presented for operating discrete integrated circuits from a common bias source by DC coupling the individual bias circuits of the discrete IC's together to eliminate signal coupling...
5305259 Power source voltage tracking circuit for stabilization of bit lines  
A power source voltage tracking circuit, for providing a given voltage which is lower than power source voltage, containing a first node for applying a power source voltage, a second node and an...
5300833 Low voltage biCMOS circuit having ECL and TTL input buffers and no intervening level-shift circuits  
In the conventional configuration, when using circuits with different logical amplitude levels in mixture, the level converter circuit has been necessarily required, and this has been an element...
5296757 Low-noise output driver having separate supply lines and sequenced operation for transient and steady-state portions  
The present invention discloses an output circuit which comprises an input terminal for receiving an input signal having a predetermined logic level, an output terminal held at a potential...
5297097 Large scale integrated circuit for low voltage operation  
Disclosed is a one-chip ULSI which can carry out fixed operations for a wide range of power supply voltages (1 V to 5.5 V). This one-chip ULSI is composed of a voltage converter circuit(s) which...
5291122 Bandgap voltage reference circuit and method with low TCR resistor in parallel with high TCR and in series with low TCR portions of tail resistor  
A bandgap voltage reference circuit includes a low temperature coefficient of resistance (TCR) tail resistor connected in series with a high TCR tail resistor, and a low TCR correction resistor...
5287054 Attenuating voltage follower circuit  
An attentuating voltage-follower circuit has an input stage that buffers an input voltage signal, which varies about a reference voltage, to form an intermediate voltage signal without a DC level...
5287012 Semiconductor integrated circuit equipped with diagnostic circuit for checking reference voltage signal supplied to internal step-down circuit  
An internal step-down circuit is incorporated in an integrated circuit device for reduction in power consumption as well as for scaling-down, and produces an internal step-down power voltage level...
5281866 Reference voltage circuit allowing fast power up from low power standby condition  
A reference voltage circuit in an integrated circuit analog-to-digital converter includes a band gap circuit, a first field effect transistor coupling an output conductor of the band gap circuit to...
5274280 Semiconductor integrated circuit device having separate supply voltages for the logic stage and output stage  
A semiconductor integrated circuit device has a plurality of emitter-coupled logic (ECL) gates. Separate power source wiring lines are provided for current switch circuits and emitter follower...
5270581 Semiconductor integrated circuit device having step-down circuit associated with component circuits arranged in low-power consumption manner  
A semiconductor integrated circuit device is equipped with a step-down circuit for producing a step-down power voltage from a power voltage level, and first and second component circuits of the...
5260646 Low power regulator for a voltage generator circuit  
A voltage generation circuit reduces power consumption by providing a regulator circuit wherein the current in an inverter leg of the generator is proportional to the current in a sense element...
5261025 Method and apparatus for DC motor speed control  
In a preferred embodiment, a high-frequency, pulse-width-modulated, power-transistor, DC motor speed controller having current limiting in both drive and regenerative modes, essentially constant...
5260612 Bi-level dual mode transceiver  
A transceiver (100) for TTL and RS232 communication with automatic sensing (130) of the type of input and adjustment of the output to correspond together with current stealing (131) from the input...
5258956 High speed sensing device in a semiconductor memory device  
The present invention for increasing the sensing speed of the input/output line by preventing the potential difference between the bit line pair from being decreased when the bit line is connected...
5250854 Bitline pull-up circuit operable in a low-resistance test mode  
A method and apparatus for raising bitlines selectively to desired voltage levels. The circuit of the invention can be controlled to operate either in a first mode (for raising the bitlines...
Matches 401 - 450 out of 876 < 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >