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2 – Combinational Logic

© 1996 Gaetano Borriello

Design example: BCD increment by 1 (continued)

61

O8

O4

O2

O1

0 0 X 1

0 0 X 0

0 1 X X

0 0 X X

0 0 X 0

1 1 X 0

0 0 X X

1 1 X X

0 1 X 0

0 1 X 0

1 0 X X

0 1 X X

1 1 X 1

0 0 X 0

0 0 X X

1 1 X X

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