MC74LCX257 datasheet(7/8 Pages) ONSEMI

Part #	MC74LCX257

Description	Low-Voltage CMOS Quad 2-Input Multiplexer With 5.0 V?뭈olerant Inputs and Outputs (3?뭆tate, Non?묲nverting)

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Manufacturer	ONSEMI [ON Semiconductor]

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MC74LCX257

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PACKAGE DIMENSIONS

SOEIAJ−16

M SUFFIX

CASE 966−01

ISSUE O

HE

A1

DIM

MIN

MAX

MIN

MAX

INCHES

−−−

2.05

−−−

0.081

MILLIMETERS

0.05

0.20

0.002

0.008

0.35

0.50

0.014

0.020

0.18

0.27

0.007

0.011

9.90

10.50

0.390

0.413

5.10

5.45

0.201

0.215

1.27 BSC

0.050 BSC

7.40

8.20

0.291

0.323

0.50

0.85

0.020

0.033

1.10

1.50

0.043

0.059

0

0.70

0.90

0.028

0.035

−−−

0.78

−−−

0.031

A1

HE

Q1

LE

_ 10_

0

_ 10_

LE

Q1

_

NOTES:

1. DIMENSIONING AND TOLERANCING PER ANSI

Y14.5M, 1982.

2. CONTROLLING DIMENSION: MILLIMETER.

3. DIMENSIONS D AND E DO NOT INCLUDE MOLD

FLASH OR PROTRUSIONS AND ARE MEASURED

AT THE PARTING LINE. MOLD FLASH OR

PROTRUSIONS SHALL NOT EXCEED 0.15 (0.006)

PER SIDE.

4. TERMINAL NUMBERS ARE SHOWN FOR

REFERENCE ONLY.

5. THE LEAD WIDTH DIMENSION (b) DOES NOT

INCLUDE DAMBAR PROTRUSION. ALLOWABLE

DAMBAR PROTRUSION SHALL BE 0.08 (0.003)

TOTAL IN EXCESS OF THE LEAD WIDTH

DIMENSION AT MAXIMUM MATERIAL CONDITION.

DAMBAR CANNOT BE LOCATED ON THE LOWER

RADIUS OR THE FOOT. MINIMUM SPACE

BETWEEN PROTRUSIONS AND ADJACENT LEAD

TO BE 0.46 ( 0.018).

M

L

DETAIL P

VIEW P

c

A

b

e

M

0.13 (0.005)

0.10 (0.004)

1

16

9

8

D

Z

E

A

b

c

D

E

e

L

M

Z

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Motorola, Inc	MC74LCX257	155Kb / 8P	Low-Voltage CMOS Quad 2-Input Multiplexer
ON Semiconductor	MC74LCX257	155Kb / 8P	LOW-VOLTAGE CMOS QUAD 2-INPUT MULTIPLEXER 1996 REV 0.2
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