MC74HC139ADG(2012) 查看數據表（PDF） - ON Semiconductor

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MC74HC139ADG
(Rev.:2012)

Dual 1−of−4 Decoder/Demultiplexer

ON Semiconductor 

MC74HC139A

PACKAGE DIMENSIONS

PDIP−16

CASE 648−08

ISSUE T

−A−

16

9

B

1

8

NOTES:

1. DIMENSIONING AND TOLERANCING PER

ANSI Y14.5M, 1982.

2. CONTROLLING DIMENSION: INCH.

3. DIMENSION L TO CENTER OF LEADS

WHEN FORMED PARALLEL.

4. DIMENSION B DOES NOT INCLUDE

MOLD FLASH.

5. ROUNDED CORNERS OPTIONAL.

F

C

L

S

−T−

SEATING

PLANE

H

K

J

M

G

D 16 PL

0.25 (0.010) M T A M

INCHES MILLIMETERS

DIM MIN MAX MIN MAX

A 0.740 0.770 18.80 19.55

B 0.250 0.270 6.35 6.85

C 0.145 0.175 3.69 4.44

D 0.015 0.021 0.39 0.53

F 0.040 0.70 1.02 1.77

G 0.100 BSC

2.54 BSC

H 0.050 BSC

1.27 BSC

J 0.008 0.015 0.21 0.38

K 0.110 0.130 2.80 3.30

L 0.295 0.305 7.50 7.74

M

0 _ 10 _ 0 _ 10 _

S 0.020 0.040 0.51 1.01

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