Ch02

Sistemas Digitais
Capítulo 2:
Projeto Lógico Combinacional
Material traduzido e adaptado para o
Português pelo Prof. Ricardo O. Duarte e revisado pelos Profs. Luciano Pimenta e
Hermes Magalhães
DELT – EEUFMG
(Rev. 2)

Slides to accompany the textbook Digital Design, First Edition, by Frank Vahid, John Wiley and Sons Publishers, 2007. http://www.ddvahid.com Copyright © 2007 Frank Vahid
Instructors of courses requiring Vahid's Digital Design textbook (published by John Wiley and Sons) have permission to modify and use these slides for customary course-related activities, subject to keeping this copyright notice in place and unmodified. These slides may be posted as unanimated pdf versions on publicly-accessible course websites.. PowerPoint source (or pdf
Digital
Design with animations) may not be posted to publicly-accessible websites, but may be posted for students on internal protected sites or distributed directly to students by other electronic means.
Copyright © 2006
1
Instructors may make printouts of the slides available to students for a reasonable photocopying charge, without incurring royalties. Any other use requires explicit permission. Instructors
Franksource
Vahidor obtain special use permissions from Wiley – see http://www.ddvahid.com for information. may obtain PowerPoint

2.1

Introdução

Circuito Digital

• Aprenderemos como projetar Circuitos Digitais
• Começaremos com os circuitos mais simples: a
– Circuitos Combinacionais
• Circuito digital no qual suas saídas dependem única e exclusivamente da combinação momentânea dos valores lógicos das entradas do circuito
Digital Design
Copyright © 2006
Frank Vahid

b

1
Circuito digital
0

1
F

combinacional

1 a b

Circuito digital
0

?
F

sequencial

2
Note: Slides with animation are denoted with a small red "a" near the animated items

2.2

Chaves
• A chave eletrônica é o elemento base do projeto de circuitos digitais binários.
– Terminologia elétrica

4.5 A

4.5 A

• Tensão: Diferença de potencial