1998 Sep 30

11

Philips Semiconductors

Product specification

Quad 2-input multiplexer; 3-state

74HC/HCT257

UNIT

(1)

QZ

y

w

v

θ

REFERENCES

OUTLINE

VERSION

EUROPEAN

PROJECTION

ISSUE DATE

IEC

JEDEC

EIAJ

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

1.0

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

94-07-12

95-04-04

D

Z

e

0.25

18

16

9

θ

A

Q

detail X

L

(A )

3

E

c

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.

1.10

pin 1 index