MC74HC139A
ADDRESS
INPUTS
V
CC
SELECT
b
A0
b
A1
b
Y0
b
Y1
b
Y2
b
Y3
b
SELECT
a
ADDRESS
INPUTS
A0
b
A1
b
1
14
13
12
11
10
9
A0
a
A1
a
2
3
4
5
6
7
Y0
a
Y1
a
Y2
a
Y3
a
PIN 16 = V
CC
PIN 8 = GND
Y0
b
Y1
b
Y2
b
Y3
b
ACTIVE−LOW
OUTPUTS
ACTIVE−LOW
OUTPUTS
SELECT
a
A0
a
A1
a
Y0
a
Y1
a
Y2
a
Y3
a
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Figure 1. Pin Assignment
SELECT
b
15
Figure 2. Logic Diagram
FUNCTION TABLE
Inputs
Select
H
L
L
L
L
A1
X
L
L
H
H
A0
X
L
H
L
H
Y0
H
L
H
H
H
Outputs
Y1 Y2
H
H
L
H
H
H
H
H
L
H
Y3
H
H
H
H
L
X = don’t care
ORDERING INFORMATION
Device
MC74HC139AN
MC74HC139ANG
MC74HC139AD
MC74HC139ADG
MC74HC139ADR2
MC74HC139ADR2G
MC74HC139ADTR2
MC74HC139ADTR2G
MC74HC139AFEL
MC74HC139AFELG
Package
PDIP−16
PDIP−16
(Pb−Free)
SOIC−16
SOIC−16
(Pb−Free)
SOIC−16
SOIC−16
(Pb−Free)
TSSOP−16*
TSSOP−16*
SOEIAJ−16
SOEIAJ−16
(Pb−Free)
Shipping
†
2000 Units / Box
2000 Units / Box
48 Units / Rail
48 Units / Rail
2500 Units / Reel
2500 Units / Reel
2500 Units / Reel
2500 Units / Reel
2000 Units / Reel
2000 Units / Reel
†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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