74181 IC Arithmetic Logic Unit/Function Generator

Product Attributes

TYPE

DESCRIPTION

Category

Integrated Circuits (ICs)

Logic

Series

74LS

Logic Type

Arithmetic Logic Unit

Supply Voltage

4.75V ~ 5.25V

Operating Temperature

0C ~ 70C

Mounting Type

Through Hole

Package / Case

24-DIP (0.600, 15.24mm)

Base Product Number

74LS181

Pin Configuration:

Pin No

Pin Name

Description

1

B
0

Active low Operand Input B
0

2

A
0

Active low Operand Input

3

S
3

Function Select Input S
3

4

S
2

Function Select Input S
2

5

S
1

Function Select Input S
1

6

S
0

Function Select Input S
0

7

C
n

Carry Input

8

M

Mode Control Input

9

F
0

Function Output F
0

10

F
1

Function Output F
1

11

F
2

Function Output F
2

12

GND

Ground Pin

13

F
3

Function Output F
3

14

A=B

Comparator Output

15

P

Active low carry propagate

16

C
n+4

Carry Output

17

G

Active low carry generator

18

B
3

Active low Operand Input B
3

19

A
3

Active low Operand Input A
3

20

B
2

Active low Operand Input B
2

21

A
2

Active low Operand Input A
2

22

B
1

Active low Operand Input B
1

23

A
1

Active low Operand Input A
1

24

V
CC

Chip Supply Voltage