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LÓGICA COMBINACIONAL - Wuala

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A partir de circuitos demultiplex de baixa capacidade, podem-se obter outros demultiplex<br />

de maior capacidade.<br />

Exemplo 1: Demultiplex de 4 canais a partir de Demultiplex de 2 canais<br />

DEMUX-2<br />

S0<br />

S1<br />

E<br />

DEMUX-2<br />

DEMUX-2<br />

S2<br />

S3<br />

A<br />

B<br />

Exemplo 2: Demultiplex de 16 canais usando Demultiplex de 8 canais<br />

S0<br />

DEMUX-8<br />

S7<br />

E<br />

DEMUX-8<br />

S8<br />

DEMUX-8<br />

S15<br />

A<br />

B C D<br />

7.2.3 - Endereçamento seqüencial num Sistema Demultiplex<br />

E<br />

DEMUX-8<br />

S0<br />

S7<br />

Contador 0-7<br />

68

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