Class 326/118 - Diode transistor logic

Subclass of Class 326 - Electronic digital logic circuitry
Definition: Subject matter wherein diodes are active switching elements
No. of patents: 24
Last issue date: 09/12/2006

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Number	Title	Issue Date
7106093	Semiconductor device A semiconductor device having a plurality of cascaded IC's (14, 15, 16), wherein the matching impedance between a signal transmission path (12) connected to an external signal transmission path and an input-side or output-side IC (14, 16) is set...	09/12/2006
6933751	Integrated Schottky transistor logic configuration A logic gate is described that has an N-type region, which may be an N-well or N-tub, forming a cathode of one or more Schottky diodes and a collector of an NPN bipolar transistor. Accordingly, the Schottly diodes and transistor do not need to be isolated from one a...	08/23/2005
6911847	Current switching type of high-speed logic circuit which generates output pair of differential signals each having accurately matched rise-time and fall-time waveform characteristics A two-input logic gate circuit suitable for extremely high-speed operation, which operates on two differential signal pairs expressing respective logic inputs, includes a control signal generating circuit which converts the input differential signal pairs to two set...	06/28/2005
6529034	Integrated series schottky and FET to allow negative drain voltage A high side driver chip for MOSgated devices which controls a non resistive, or non inductive load has a vertical conduction refresh MOSFET integrated into the chip for connecting a Vs node to ground to discharge the load capacitance. A Schottk...	03/04/2003
6252424	Semiconductor integrated circuit having I2CBUS interface To prevent a deadlock in a latch circuit for deciding an input state of an SDA terminal in a system initialization state. An input/output control circuit 5 for always determining a data state in the system initialization state is provided....	06/26/2001
5451890	Gallium arsenide source follower FET logic family with diodes for preventing leakage currents The basic building block of the invention is an inverter gate consisting of two stages: The first stage is an input logic switching stage consisting of a depletion mode pull-up FET whose gate is the input node and whose source-to-drain channel is connecte...	09/19/1995
5087836	Electronic circuit including a parallel combination of an E-FET and a D-FET A class AB amplifier comprises a pull-up structure of an E-FET and D-FET connected in parallel and a pull-down structure of an E-FET and D-FET connected in parallel. Use of the E-FETs allows a high peak current to be achieved without increasing the quiesc...	02/11/1992
5077494	Wide temperature range MESFET logic circuit A first Schottky diode is connected between the source of a first enhancement JFET and a low voltage line. The drain of the first enhancement JFET is connected through a first active load current source to a high voltage line, and also through a second Sc...	12/31/1991
4931670	TTL and CMOS logic compatible GAAS logic family A novel logic gate, using Gallium-Arsenide technology, that is compatible with TTL or CMOS logic. This logic gate operates off a single voltage supply (e.g. 5 volts) and implements complex logic functions within a single logic gate, such as "AND-OR-INVERT...	06/05/1990
4845679	Diode-FET logic circuitry Exclusive diode-FET logic circuitry capable of providing functional programmable logic array output logic signals within one-gate delay from an initial input logic signal, and functional read-only memory output data signals within two- or three-gate delay...	07/04/1989
4798979	Schottky diode logic for E-mode FET/D-mode FET VLSI circuits A digital logic circuit using Schottky diodes as the nonlinear logic element, a single power supply and an E-mode MESFET as an inverter in the open drain configuration. Temperature compensation of the threshold voltage of the E-mode FET is provided. The c...	01/17/1989
4752701	Direct coupled semiconductor logic circuit In a semiconductor logic circuit, a plurality of gates are provided, each formed of a junction type field effect transistor. The junction type field effect transistor of one of the gates is directly coupled to the junction type field effect transistor of ...	06/21/1988
4728821	Source follower current mode logic cells A source follower current steering logic circuit useful in, for example, fabricating digital integrated logic circuits using gallium arsenide and current mode logic switches. The circuit includes an input logic network which includes level shifting networ...	03/01/1988
4713559	Multiple input and multiple output or/and circuit An OR logic function is provided in at least two separate circuit branches by diodes in parallel summing current at a first logic node and a first circuit branch and diodes in parallel summing current at a second logic node in a second current branch. An ...	12/15/1987
4703204	Logic coincidence gate and logic sequential circuits using said coincidence gate The invention relates to a coincidence gate, whose output only changes state if the inputs are of the same logic level. It has two parallel-connected NOT circuits, each constituted by a transistor, whose source is at earth and the drain supplied by a resi...	10/27/1987
4661726	Utilizing a depletion mode FET operating in the triode region and a depletion mode FET operating in the saturation region A temperature compensation system for semiconductor logic gates where the temperature compensation is accomplished by two depletion mode FET's in electrical series relationship is disclosed. One of the FET's is adapted to operate in its triode region of o...	04/28/1987
4638188	Phase modulated pulse logic for gallium arsenide A logic system preferably for gallium arsenide integrated circuits uses dynamic pulsed logic gates which switch on each clock pulse, with the logical state of an output or data line being indicated by the phase of the pulsed output, which may be shifted o...	01/20/1987
4590393	High density gallium arsenide source driven logic circuit A novel high speed gallium arsenide depletion mode field effect transistor logic circuit is provided. One logic input is connected to the source electrode of the switching transistor and draws current when a low level input voltage is provided. Other logi...	05/20/1986
4496856	GaAs to ECL level converter An improved high speed gallium arsenide (GaAs) to emitter coupled logic (ECL) voltage level converter is provided which consumes less power and also provides an improved speed-power product performance characteristic. The converter includes a three branch...	01/29/1985
4485316	Logic inverter, and a multi-output logic operator derived from this inverter, using at least two low-voltage-threshold field-effect transistors A high-speed logic inverter, in the form of an integrated circuit, with a single supply source, using field-effect transistors of the "quasi-normally-off" type, and the logic operators having several inputs and several outputs which derive therefrom. One ...	11/27/1984
4405870	Schottky diode-diode field effect transistor logic Disclosed is a logic circuit with a plurality of AND logic elements, each including a plurality of Schottky diodes with each cathode connected to a logic input and the anodes connected in common to establish an AND output. A diode pull up FET is provided ...	09/20/1983
4404480	High speed-low power gallium arsenide basic logic circuit The present invention provides a high-speed low-power gallium arsenide basic logic circuit which is capable of being driven by either emitter coupled logic or gallium arsenide logic level signals to provide combinational logic gating such as OR-AND, OR-NA...	09/13/1983
4400636	Threshold voltage tolerant logic A logic gate is disclosed employing enhancement mode MESFET gallium arsenide devices which do not require the tight process control necessary in the prior art because two such devices are employed in the gate circuit to mutually compensate for the effects...	08/23/1983
4300064	Schottky diode FET logic integrated circuit A logic circuit is provided which uses Schottky barrier switching diodes to perform the "OR" logic function on logic inputs. The outputs from the switching diodes control the gate of a field-effect transistor (FET) which provides logic inversion and gain....	11/10/1981

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Class 326/118 - Diode transistor logic