Microsoft Word - Digital Logic Design v_4_6a

D248

D255

S

0

7

Cascade Level 1 Cascade Level 2

...

0

2 1

D0

D7

S

S 0 S 1 S 2

0

7

...

0

2 1

.

.

.

S

0

7

0

2 1

.

.

.

Out 0

Out 31

S

0

7

0

2 1

S

0

3

7

0

2 1

Cascade Level 3

F

F0

F3

S 0 S 1 S 2

S 3 S 4 S 5

S 3 S 4 S 5

S 6 S 7 Gnd