1998 Jun 10

18

Philips Semiconductors

Product specification

4-bit arithmetic logic unit

74HC/HCT181

UNIT

A

max.

cD

(1)

E

(1)

(1)

Q

Z

y

w

v

θ

REFERENCES

OUTLINE

VERSION

EUROPEAN

PROJECTION

ISSUE DATE

IEC

JEDEC

EIAJ

mm

inches

2.65

0.30

0.10

2.45

2.25

0.49

0.36

0.32

0.23

15.6

15.2

7.6

7.4

1.27

10.65

10.00

1.1

1.0

0.9

0.4

8

0

o

o

0.25

0.1

DIMENSIONS (inch dimensions are derived from the original mm dimensions)

Note

1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.

1.1

0.4

SOT137-1

X

12

24

θ

A

D

Q

detail X

E

Z

c

L

13

(A )

3

A

y

0.25

075E05

MS-013AD

pin 1 index

0.10

0.012

0.004

0.096

0.089

0.019

0.014

0.013

0.009

0.61

0.60

0.30

0.29

0.050

1.4

0.055

0.419

0.394

0.043

0.039

0.035

0.016

0.01

0.25

0.01

0.004

0.043

0.016

0.01

e

1

0

5

10 mm

scale

SO24: plastic small outline package; 24 leads; body width 7.5 mm

SOT137-1

95-01-24

97-05-22