Matches 1 - 50 out of 107 1 2 3 >
Match Document Document Title
7560955 Logic circuit  
Disclosed is a logic circuit including first and second input terminals, supplied with respective logic signals, and first and second MOS transistors, having sources respectively connected to...
7557614 Topology for a n-way XOR/XNOR circuit  
A method for configuring a n-way XOR/XNOR circuit comprises providing a plurality of top stacks of PFETs each including at least three PFETs electrically connected between a high logic level and an...
7358769 XOR circuit  
An XOR circuit designed in dual rail includes four shunt transistors, wherein the shunt transistors are disposed to couple an input potential at a first input or a second input with an output.
7312634 Exclusive-or and/or exclusive-nor circuits including output switches and related methods  
An exclusive-OR circuit may include a NAND gate configured to receive a plurality of input signals and a NOR gate configured to receive the plurality of input signals. The exclusive-OR circuit may...
7298171 Layout area efficient, high speed, dynamic multi-input exclusive or (XOR) and exclusive NOR (XNOR) logic gate circuit designs for integrated circuit devices  
A layout area efficient, high speed, dynamic multi-input exclusive OR (XOR) and exclusive NOR (XNOR) logic gate circuit design of especial utility with respect to integrated circuit devices. The...
7271703 2-bit binary comparator and binary comparing device using the same  
A 2-bit binary comparator, including: a comparison unit for receiving a first bit and a second bit to thereby compare the first bit with the second bit; and an enable unit for outputting a...
7242219 Circuit for parity tree structure  
A circuit for a parity tree is disclosed. In one embodiment, a circuit for a parity tree includes a pull-up circuit, a pull-down circuit, and a cross-couple circuit. The circuit, an XOR/XNOR...
7218153 Word line driver with reduced leakage current  
A circuit system having a first inverter, a second inverter and a blockage module is disclosed. The first inverter is coupled between a supply voltage and a complementary input signal, for...
7215142 Multi-stage inverse toggle  
An inverse toggle circuit includes a pair of input connections for receiving each of four possible input signal combinations in a sequential rotational manner. Each of four data paths are defined...
7142014 High frequency XOR with peaked load stage  
An apparatus and method of the present invention includes a high frequency exclusive OR (XOR) with a peaked load stage. The peaked load stage coupled to the XOR produces a peaked response at a...
7088138 Symmetric and non-stacked XOR circuit  
A CML XOR logic circuit is provided that includes a pair of pull-up transistors, a pair of current source transistors and a logic switch network coupled between the pull-up transistors and the...
7030658 Systems and methods for operating logic circuits  
Systems and methods for reducing the power consumption of some combinations of logic gates by reducing the number of unnecessary transitions that are made by logic gates that do not affect the...
6803793 Reduced swing charge recycling circuit arrangement and adder including the same  
A circuit arrangement uses differential pass transistor logic, a low voltage swing and charge recycling to save power, in which the swing voltage is reduced, but the supply voltage is not reduced,...
6781412 Logic circuit for fast carry/borrow  
Each binary carry logic circuit 20 of half adder circuits other than that for the least significant digit comprises a transfer gate 212 turned on when an input bit A 2 is active and receiving...
6765410 Method and apparatus for performing a hazard-free multi-bit comparison  
An exclusive OR (XOR) circuit is provided to perform a logical XOR function on multiple bits that eliminates the XOR function hazard. The XOR circuit performs a logical XOR function on data values...
6727728 XOR circuit  
An XOR circuit includes XOR function logic. One advantage of the XOR circuit is that the complements of A and B are not required. The XOR circuit receives an enable signal that disables all the...
6724221 Circuitry having exclusive-OR and latch function, and method therefor  
In one form of the invention, circuitry having exclusive-OR and latch functionality includes timing circuitry and logic circuitry. The circuitry includes a memory, with first and second memory...
6700405 Logic circuit and full adder using the same  
A logic circuit capable of suppressing occurrence of wraparound of signals, capable of reducing power consumption, and in addition achieving a reduction of a circuit scale and an improvement of an...
6686776 Digital data coincidence determining circuit  
A coincidence determining circuit determines whether first and second digital data each consisting of a plurality of bits coincide with one another. The coincidence determining circuit includes a...
6680625 Symmetrical CML logic gate system  
High speed CML logic gate systems for providing selected Boolean logic functions. Two halves of a substantially symmetric first system, having a relatively small number ( 14 ) of CMOS transistors,...
6549037 Apparatus and circuit having reduced leakage current and method therefor  
Briefly, in accordance with one embodiment of the invention, an integrated circuit comprises a first stage that provides differential outputs in one mode and substantially equal outputs in another...
6456116 Dynamic comparator circuit  
In one embodiment, the present invention provides a multi-bit dynamic comparator for comparing first and second words having a plurality of comparative bit pairs with each pair having comparative...
6242951 Adiabatic charging logic circuit  
An adiabatic charging logic circuit includes a logic circuit and a power supply section. The logic circuit is constituted by a plurality of logic elements. The power supply section supplies power...
6194917 XOR differential phase detector with transconductance circuit as output charge pump  
An apparatus for and method of reducing transistor body effect when detecting and correcting a phase error between clock signals using delay-locked and phase-locked loop circuits. The clock signals...
6137309 Exclusive-or logic gate with four two-by-two complementary inputs and two complementary outputs, and frequency multiplier incorporating said gate  
An Exclusive-OR logic gate with four two-by-two complementary inputs and two complementary outputs. The structure of this Exclusive-Or gate is said to be symmetrical in that the gate has a...
6133752 Semiconductor integrated circuit having tri-state logic gate circuit  
The tri-state logic gate circuit is preferably made up of a first inverter circuit which selectively outputs one of the power supply voltage and a ground potential, a second inverter circuit which...
6118305 Semiconductor integrated circuit capable of preventing breakdown of a gate oxide film  
The present invention provides a semiconductor integrated circuit comprising a plurality of logic circuits, each of which has at least a first field effect transistor with a first gate connected to...
6087850 Operation circuit  
The first store unit (R1) for receiving and storing the first input (AI), the second store unit (R2) for receiving and storing the second input (BI), a selection unit (SEL) for selecting one of...
6081130 Clock controlled exclusive or circuit  
An exclusive OR circuit (10) includes an input stage (11) and a control arrangement (12,13) for controlling an exclusive OR logical evaluation. The control arrangement includes a pre-charge stage...
6057709 Integrated XNOR flip-flop  
An integrated XNOR flip-flop is provided which is faster than conventional XNOR flip-flop combinations. The integrated XNOR flip-flop is faster and uses less area than conventional XNOR flip-flop...
5986538 N-bit comparator  
An N-bit comparator compares two numbers A and B each consisting of N bits to each other and includes: N one-bit comparing circuits for generating a second output of a first level and a first...
5973507 Exclusive-or gate for use in delay using transmission gate circuitry  
An exclusive-OR circuit is for use in a delay device outputting a signal delayed from an input signal. The exclusive-OR circuit comprises an odd number of inverters, an even number of inverters,...
5945847 Distributed amplifier logic designs  
A high speed logic module is formed to include a differential input formed as a pair of inductive transmission lines and a differential output also formed as a pair of inductive transmission lines....
5939899 MOSFET substrate current logic  
Logic devices of the present invention have one or more MOSFETs that are configured to operate in logic circuits, where voltages applied to the source and drain of each MOSFET are treated as logic...
5936427 Three-input exclusive NOR circuit  
A three-input exclusive NOR circuit having three signal paths provided between three input terminals and three-input exclusive OR node, each of the signal paths having two first conduction type...
5861762 Inverse toggle XOR and XNOR circuit  
A four transistor XOR or XNOR gate includes an inverting stage and a non-inverting stage. The transistors in each stage are coupled so as to enable changing inputs and existing inputs to drive the...
5781032 Programmable inverter circuit used in a programmable logic cell  
A programmable logic cell has four cell input nodes and a plurality of combinational logic circuits. Four inverter circuits are provided for programmably inverting respective input logic signals,...
5767696 Tri-state devices having exclusive gate output control  
Tri-state devices having exclusive gate output control include a tri-state device having first and second inputs and a tri-state output, a normally-off transistor connected in series between the...
5736868 Exclusive OR/NOR gate circuit  
An exclusive OR/NOR gate circuit which is capable of achieving a low power consumption, a reliable operation, and a fast operation speed, and of being operated irrespective of any kind of process...
5687107 Exclusive-OR gate, an inverted type selector, and adders  
A new type exclusive-OR gate and an inverted type selector are composed using a cascaded connection of two p-type MOSFETs between a positive terminal of a power supply and an signal output...
5614841 Frequency multiplier using XOR/NXOR gates which have equal propagation delays  
The gates (11) of the exclusive OR type having two inputs (A, B) are disposed in tree structure in successive layers of an integrated circuit beginning with an input layer which receives the input...
5583456 Differentially coupled AND/NAND and XOR/XNOR circuitry  
Disclosed is a semiconductor integrated circuit which have a pair of transistors Q11, Q12 with a first polarity being differentially inputted with first logical values A(+) and A(-), a first...
5576637 XOR CMOS logic gate  
An exclusive OR circuit includes a first series circuit in which a source of a first pMIS transistor is connected to a positive-voltage power supply line. A drain of the first pMIS transistor is...
5568067 Configurable XNOR/XOR element  
A configurable XNOR/XOR logic element is used, in an exemplary embodiment, in an array of spare gates included in a processor or other integrated circuit. The XNOR/XOR logic element (FIG. 4, 60) is...
5523707 Fast, low power exclusive or circuit  
A static XOR gate is provided with circuit speeds necessary to meet the increasing demand of higher computer clock frequencies. The XOR of the present invention takes up less area and consumes less...
5477169 Logic circuit with negative differential resistance device  
A logic circuit including a pair of FETs connected in parallel and including first and second common current terminals, each of the FETs further having a control terminal connected to receive a...
5471160 Sense amplifier including comparator  
A logic circuit includes a differential amplifier circuit to which a first input signal and a second input signal both of which are complementary are to be supplied, having a circuit for outputting...
5334888 Fast exclusive-or and exclusive-nor gates  
XOR and XNOR logic gates each include a first MOS pass device coupled between a first input and the output of the logic gate, and second MOS pass device coupled between a second input and the...
5218246 MOS analog XOR amplifier  
This invention relates to the MOS analog XOR amplifier for performing the digital XOR function. The analog XOR provided comprises a constant current source; a first MOS switch having its source...
5198709 Address transition detector circuit  
A semiconductor integrated circuit including a detection circuit (e.g. an address transition detector) for detecting a change of a first and a second input signal. The detection circuit includes a...
Matches 1 - 50 out of 107 1 2 3 >