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2.Digital Design with CPLD Applications _ VHDL - Dueck

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Answers to Selected Odd-Numbered Problems 779

3.9 a. T U V W X

0 0 0 0 1

0 0 0 1 1

0 0 1 0 1

0 0 1 1 1

0 1 0 0 1

0 1 0 1 1

0 1 1 0 1

0 1 1 1 1

1 0 0 0 1

1 0 0 1 1

1 0 1 0 1

1 0 1 1 1

1 1 0 0 1

1 1 0 1 0

1 1 1 0 1

1 1 1 1 1

j.

A B C D Y

0 0 0 0 0

0 0 0 1 0

0 0 1 0 0

0 0 1 1 0

0 1 0 0 0

0 1 0 1 0

0 1 1 0 0

0 1 1 1 0

1 0 0 0 0

1 0 0 1 0

1 0 1 0 0

1 0 1 1 0

1 1 0 0 1

1 1 0 1 0

1 1 1 0 1

1 1 1 1 0

h.

A B C Y

0 0 0 0

0 0 1 0

0 1 0 1

0 1 1 1

1 0 0 0

1 0 1 0

1 1 0 1

1 1 1 0

3.11 SOP: Y A B C A B C A B C A B C

POS: Y (A B C)(A B C)(A B C)

(A B C)

See Figure ANS3.11

A

B

C

i.

A B C Y

0 0 0 1

0 0 1 1

0 1 0 1

0 1 1 1

1 0 0 1

1 0 1 1

1 1 0 1

1 1 1 1

Y (SOP)

Y (POS)

FIGURE ANS3.11

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