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Lecture

Digital Circuits: Logic Basics

In course

EE-280: Electronics

Présentation des principaux composants de base de l'électronique. Analyse de circuits à base d'amplificateurs opérationnels. Introduction aux circuits logiques élémentaires. Principe de la conversion Analogique-Numérique. Modèles simplifiés des transistors ...

Description

This lecture covers digital circuits, including binary systems, logic operators, Boolean algebra, combinatorial logic, memory elements, and flip-flops. It also explores examples like BCD decoders, shift registers, and asynchronous counters.

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Instructors (2)

Jean-Michel Sallese

Cédric Meinen

Official source

Ontological neighbourhood

Electrical engineering

Electronic engineering: Digital electronics

Logic

Classical logic: First-order logic

Related concepts (32)

Logic gate

A logic gate is an idealized or physical device that performs a Boolean function, a logical operation performed on one or more binary inputs that produces a single binary output. Depending on the context, the term may refer to an ideal logic gate, one that has, for instance, zero rise time and unlimited fan-out, or it may refer to a non-ideal physical device (see ideal and real op-amps for comparison). In the real world, the primary way of building logic gates uses diodes or transistors acting as electronic switches.

Consumer electronics

Consumer electronics or home electronics are electronic (analog or digital) equipment intended for everyday use, typically in private homes. Consumer electronics include devices used for entertainment, communications and recreation. Usually referred to as black goods due to many products being housed in black or dark casings. This term is used to distinguish them from "white goods" which are meant for housekeeping tasks, such as washing machines and refrigerators, although nowadays, these would be considered black goods, some of these being connected to the Internet.

Electronic circuit

An electronic circuit is composed of individual electronic components, such as resistors, transistors, capacitors, inductors and diodes, connected by conductive wires or traces through which electric current can flow. It is a type of electrical circuit and to be referred to as electronic, rather than electrical, generally at least one active component must be present. The combination of components and wires allows various simple and complex operations to be performed: signals can be amplified, computations can be performed, and data can be moved from one place to another.

Sequential logic

In automata theory, sequential logic is a type of logic circuit whose output depends on the present value of its input signals and on the sequence of past inputs, the input history. This is in contrast to combinational logic, whose output is a function of only the present input. That is, sequential logic has state (memory) while combinational logic does not. Sequential logic is used to construct finite-state machines, a basic building block in all digital circuitry.

Combinational logic

In automata theory, combinational logic (also referred to as time-independent logic or combinatorial logic ) is a type of digital logic which is implemented by Boolean circuits, where the output is a pure function of the present input only. This is in contrast to sequential logic, in which the output depends not only on the present input but also on the history of the input. In other words, sequential logic has memory while combinational logic does not.

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