Circuitos Sequencias

2

CIRCUITOS SEQUENCIAIS

Introduo

Armazenando informaes

3

Q

Q

4

Q

Flip Flop RS Bsico

Q

Q Q

5

Q

Q

Q

Q

Q

Q

Q

Q

Q

Q

Q

Q

Q

Q

Q

6

QQ

7

S R Q Q

0 0 Q Q Hold

0 1 0 1 Reset

1 0 1 0 Set

1 1 0 0 Proibido

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S R Q Q

0 0 Q Q

0 1 0 1

1 0 1 0

1 1 0 0

Flip Flop RS Sncrono

Flip Flop RS Sncrono NOR

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CK S R Q Q

0 X X Q Q Hold

1 0 0 Q Q Hold

1 0 1 0 1 Reset

1 1 0 1 0 Set

1 1 1 0 0 Proibido

Flip Flop RS Sncrono NAND

10

CK S R Q Q

0 X X Q Q Hold

1 0 0 Q Q Hold

1 0 1 0 1 Reset

1 1 0 1 0 Set

1 1 1 1 1 Proibido

Observao

Diagrama de Tempo

Q

11

Flip Flop D

CK S R Q Q

0 X X Q Q Hold

1 0 0 Q Q Hold

1 0 1 0 1 Reset

1 1 0 1 0 Set

1 1 1 0 0 Proibido

12

CK D R Q Q

0 X X Q Q Hold

1 0 0 Q Q Hold

1 0 1 0 1 Reset

1 1 0 1 0 Set

1 1 1 0 0 Proibido

Q

CK D Q

0 X Q Hold

1 0 0 Reset

1 1 1 Set

CK D Q

0 X Q Hold

0 0 0 Reset

0 1 1 Set

Q

13

Flip Flop's Sensveis Borda do Clock

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.

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Flip Flop D Sensvel Borda do Clock

CK D Q

X X Q Hold

0 0 Reset

1 1 Set

CK D Q

X X Q Hold

0 0 Reset

1 1 Set

Q

15

Flip Flop JK Sensvel Borda do Clock

CK J K Q

X X X Q Hold

0 0 Q Hold

0 0 Reset

1 0 1 Set

1 1 Q Toggle

CK J K Q

X X X Q Hold

0 0 Q Hold

0 1 0 Reset

1 0 1 Set

1 1 Q Toggle

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Q

17

Entradas assncronas

Flip Flop D

PR CLR CK D Q

0 1 X X 1 Preset

1 0 X X 0 Clear

1 1 X X Q Hold

1 1 0 0 Reset

1 1 1 1 Set

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Flip Flop JK

.

PR CLR CK J K Q

0 1 X X X Q Preset

1 0 X X X Q Clear

1 1 X X X Q Hold

1 1 0 0 Q Hold

1 1 0 1 0 Reset

1 1 1 0 1 Set

1 1 1 1 Q Toggle

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Problemas Propostos

Q

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Q

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BIBLIOGRAFIA BSICA

BIBLIOGRAFIA COMPLEMENTAR

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