Nexperia

74HC138; 74HCT138

3-to-8 line decoder/demultiplexer; inverting

UNIT

A1

A2

A3

bp

c

D (1)

E (2)

(1)

e

HE

L

Lp

Q

Z

y

w

v

θ

REFERENCES

OUTLINE

VERSION

EUROPEAN

PROJECTION

ISSUE DATE

IEC

JEDEC

JEITA

mm

0.15

0.05

0.95

0.80

0.30

0.19

0.2

0.1

5.1

4.9

4.5

4.3

0.65

6.6

6.2

0.4

0.3

0.40

0.06

8

0

o

o

0.13

0.1

0.2

1

DIMENSIONS (mm are the original dimensions)

Notes

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

2. Plastic interlead protrusions of 0.25 mm maximum per side are not included.

0.75

0.50

SOT403-1

MO-153

99-12-27

03-02-18

w M

bp

D

Z

e

0.25

1

8

16

9

θ

A

A1

A2

Lp

Q

detail X

L

(A )

3

HE

E

c

v M A

X

A

y

0

2.5

5 mm

scale

TSSOP16: plastic thin shrink small outline package; 16 leads; body width 4.4 mm

SOT403-1

A

max.

1.1

pin 1 index

Fig. 11. Package outline SOT403-1 (TSSOP16)

74HC_HCT138

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© Nexperia B.V. 2021. All rights reserved

Product data sheet

Rev. 9 — 13 August 2021

11 / 15