MC74HC139A_12 Datasheet, PDF (2/10 Pages) ON Semiconductor – Dual 1-of-4 Decoder/ Demultiplexer

SELECT_a 1
A0_a 2
A1_a 3
Y0_a 4
Y1_a 5
Y2_a 6
Y3_a 7
GND 8
16 V_CC
15 SELECT_b
14 _A0b
13 A1_b
12 Y0_b
11 Y1_b
10 Y2_b
9 Y3_b
Figure 1. Pin Assignment
FUNCTION TABLE
Inputs
Select A1 A0
H
XX
L
LL
L
LH
L
HL
L
HH
X = don’t care
Outputs
Y0 Y1 Y2 Y3
H HH H
L HH H
H LH H
H HL H
H HH L
MC74HC139A
ADDRESS A0_a ²
INPUTS
A1_a ³
SELECT_a ¹
ADDRESS
INPUTS
A0_b ¹⁴
A1_b ¹³
4 _Y0a
5 _Y1a
6 _Y2a
7 _Y3a
ACTIVE−LOW
OUTPUTS
PIN 16 = V_CC
PIN 8 = GND
12 _Y0b
11 _Y1b
10 _Y2b
9 _Y3b
ACTIVE−LOW
OUTPUTS
SELECT_b ¹⁵
Figure 2. Logic Diagram
ORDERING INFORMATION
Device
MC74HC139ANG
Package
PDIP−16
(Pb−Free)
Shipping^†
2000 Units / Box
MC74HC139ADG
SOIC−16
(Pb−Free)
48 Units / Rail
MC74HC139ADR2G
SOIC−16
(Pb−Free)
2500 / Tape & Reel
MC74HC139ADTR2G
TSSOP−16
(Pb−Free)
2500 / Tape & Reel
NLV74HC139ADR2G*
SOIC−16
(Pb−Free)
2500 / Tape & Reel
NLV74HC139ADTR2G*
TSSOP−16
(Pb−Free)
2500 / Tape & 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.
*NLV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP
Capable
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