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Lista5_SEL405

# Lista5_SEL405 - SEL 0405 INTRODUO AOS SISTEMAS DIGITAIS 5...

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S EL 0405 I NTRODUÇÃO AOS S ISTEMAS D IGITAIS 5ª Lista de Exercícios Prof. Dr. Marcelo A. C. Vieira 1. Quais são as diferenças entre um Circuito Combinacional e um Circuito Seqüencial? 2. Desenhe um Flip-Flop RS utilizando portas NOR. Monte a tabela verdade. 3. Desenhe um Flip-Flop RS utilizando portas NAND. Monte a tabela verdade. 4. O que representa o “estado proibido” de um flip-flop RS? 5. Quais são as deficiências do Circuito RS (também conhecido por RS Assíncrono)? 6. Quais são as deficiências de um Circuito RS com CLOCK (também conhecido por RS Síncrono sensível à nível)? Por que? 7. Que melhoria o Circuito RS Síncrono trouxe com relação ao Circuito RS Assíncrono? 8. Implemente um circuito RS com CLOCK e /Preset e /Clear.

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