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Testes e exames

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4. Indique, na figura 3, os níveis lógicos das entradas de seleção e habilitação (“enable”) de modo a direcionar

a entrada 1 para a saída Y do multiplexador 74151.

EN

0

2

0

1

2

3

4

5

6

7

MUX

G 0 7

Y

74151

figura 3

5. Escreva a função F(C,B,A)

C B A CB

na forma canónica e implemente-a com o multiplexador

74LS151 (Figura 4).

74151

EN

0

2

0

1

2

3

4

5

6

7

MUX

0

G

7

Figura 4

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