represent either logic state is arbitrary. The two options are active high (positive logic) and active low (negative logic). Active-high and active-low...

High-Logic, founded in 1997 by Erwin Denissen, is a privately held company headquartered in De Bilt, the Netherlands. High-Logic produces font editing...

High-threshold logic (HTL), also known as low-speed logic (LSL) or high-level logic (HLL), is a variant of diode–transistor logic used in environments...

Diode logic (or diode-resistor logic) constructs AND and OR logic gates with diodes and resistors. An active device (vacuum tubes with control grids in...

In mathematics and logic, a higher-order logic (abbreviated HOL) is a form of logic that is distinguished from first-order logic by additional quantifiers...

logic probes typically have one or more LEDs on the body of the probe: an LED to indicate a high (1) logic state. an LED to indicate a low (0) logic state...

nMOS logic (from N-type metal–oxide–semiconductor) uses n-type (-) MOSFETs (metal–oxide–semiconductor field-effect transistors) to implement logic gates...

A logic gate is a device that performs a Boolean function, a logical operation performed on one or more binary inputs that produces a single binary output...

Diode–transistor logic (DTL) is a class of digital circuits that is the direct ancestor of transistor–transistor logic. It is called so because the logic gating...

PMOS or pMOS logic (from p-channel metal–oxide–semiconductor) is a family of digital circuits based on p-channel, enhancement mode metal–oxide–semiconductor...

AC/ACT logic, AHC/AHCT logic, ALVC logic, AUC logic, AVC logic, CBT logic, CBTLV logic, FCT logic and LVC logic (LVCMOS). The integrated injection logic (IIL...

resistor or pull-down resistor ensures that a wire will have a high logic level or low logic level, respectively, in the absence of a driving signal. It...

In electronics, emitter-coupled logic (ECL) is a high-speed integrated circuit bipolar transistor logic family. ECL uses a bipolar junction transistor...

contains logic symbols. Without proper rendering support, you may see question marks, boxes, or other symbols instead of logic symbols. In logic, a set...

High-speed transceiver logic or HSTL is a technology-independent standard for signaling between integrated circuits. The nominal signaling range is 0 V...

external pullup. Capable of positive-logic wired-AND connection. ⎒ – variant with internal pull-up resistor to provide a high voltage when off. ⎏ – NPN open...

to as NOR logic. A NAND gate is an inverted AND gate. It has the following truth table: In CMOS logic, if both of the A and B inputs are high, then both...

integrated circuit design, dynamic logic (or sometimes clocked logic) is a design methodology in combinational logic circuits, particularly those implemented...

the logic using true and complementary input signals, and also needs two P-channel transistors at the top to pull one of the outputs high. This logic family...

The history of logic deals with the study of the development of the science of valid inference (logic). Formal logics developed in ancient times in India...

with this logic family than with CMOS because complementary transistors are not needed. Although the logic voltage levels are very close (High: 0.7V, Low:...

In mathematics and mathematical logic, Boolean algebra is a branch of algebra. It differs from elementary algebra in two ways. First, the values of the...

Transistor–transistor logic (TTL) is a logic family built from bipolar junction transistors. Its name signifies that transistors perform both the logic function (the...

wired logic connection is a logic gate that implements boolean algebra (logic) using only passive components such as diodes and resistors. A wired logic connection...

In digital logic, an inverter or NOT gate is a logic gate which implements logical negation. It outputs a bit opposite of the bit that is put into it...

mathematics, logicism is a programme comprising one or more of the theses that – for some coherent meaning of 'logic' – mathematics is an extension of logic, some...

load. For the typical case of using voltages as logic signals, a logic buffer's input impedance is high, so it draws little current from the input circuit...

Mathematical logic is the study of formal logic within mathematics. Major subareas include model theory, proof theory, set theory, and recursion theory...

Many-valued logic (also multi- or multiple-valued logic) is a propositional calculus in which there are more than two truth values. Traditionally, in...

and can be compared to a multiplexer. Only one of the inputs become "high" (logic state "1") at a time. For example, a 4-to-2 simple encoder takes 4 input...