MC74HC139A
2
4
5
6
7
ADDRESS
INPUTS
A0
A1
Y0
Y1
Y2
Y3
a
a
a
3
a
ACTIVE−LOW
OUTPUTS
SELECT
1
2
16
15
V
a
CC
a
a
A0
SELECT
a
b
3
4
14
13
A1
Y0
Y1
Y2
A0
a
a
a
a
b
A1
b
b
b
b
b
PIN 16 = V
PIN 8 = GND
CC
1
SELECT
a
5
6
7
8
12 Y0
11
10
9
Y1
Y2
Y3
14
13
12
11
10
9
ADDRESS
INPUTS
A0
A1
Y0
Y1
Y2
Y3
b
b
b
b
b
b
Y3
a
ACTIVE−LOW
OUTPUTS
GND
Figure 1. Pin Assignment
15
SELECT
b
Figure 2. Logic Diagram
FUNCTION TABLE
Inputs
Outputs
Y0 Y1 Y2 Y3
Select A1 A0
H
L
L
L
L
X
L
L
H
H
X
L
H
L
H
L
H
H
H
H
H
L
H
H
H
H
H
L
H
H
H
H
L
H
H
X = don’t care
ORDERING INFORMATION
Device
†
Package
Shipping
MC74HC139AN
PDIP−16
2000 Units / Box
2000 Units / Box
MC74HC139ANG
PDIP−16
(Pb−Free)
MC74HC139AD
SOIC−16
48 Units / Rail
48 Units / Rail
MC74HC139ADG
SOIC−16
(Pb−Free)
MC74HC139ADR2
MC74HC139ADR2G
SOIC−16
2500 Units / Reel
2500 Units / Reel
SOIC−16
(Pb−Free)
MC74HC139ADTR2
MC74HC139ADTR2G
MC74HC139AFEL
MC74HC139AFELG
TSSOP−16*
TSSOP−16*
SOEIAJ−16
2500 Units / Reel
2500 Units / Reel
2000 Units / Reel
2000 Units / Reel
SOEIAJ−16
(Pb−Free)
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*This package is inherently Pb−Free.
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