MC14008B(2000) 查看數據表（PDF） - ON Semiconductor

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MC14008B
(Rev.:2000)

4−Bit Full Adder

ON Semiconductor 

MC14008B

TRUTH TABLE

(One Stage)

Cin

B

0

0

0

0

0

1

0

1

1

0

1

0

1

1

1

1

A

Cout

S

0

0

0

1

0

1

0

0

1

1

1

0

0

0

1

1

1

0

0

1

0

1

1

1

PIN ASSIGNMENT

A4 1

B3 2

A3 3

B2 4

A2 5

B1 6

A1 7

VSS 8

16 VDD

15 B4

14 Cout

13 S4

12 S3

11 S2

10 S1

9 Cin

B4 15

A4 1

B3 2

A3 3

B2 4

A2 5

B1 6

A1 7

Cin 9

BLOCK DIAGRAM

HIGH–SPEED

PARALLEL CARRY

14 Cout

ADDER

4

13 S4

C4

ADDER

3

12 S3

C3

ADDER

2

11 S2

C2

ADDER

1

10 S1

VDD = PIN 16

VSS = PIN 8

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