MC74HC238A_13 Datasheet, PDF (2/9 Pages) ON Semiconductor – 1-of-8 Decoder/ Demultiplexer

A0 1
A1 2
A2 3
CS2 4
CS3 5
CS1 6
Y7 7
GND 8
16 V_CC
15 Y0
14 Y1
13 Y2
12 Y3
11 Y4
10 Y5
9 Y6
Figure 1. Pin Assignment
MC74HC238A
A0
ADDRESS
INPUTS
A1
A2
CS1
CHIP-
SELECT CS2
INPUTS
CS3
1
15 _Y0
2
14 _Y1
3
13 _Y2
12 _Y3
11 _Y4
10
Y5
9 _Y6
7
Y7
6
4
PIN 16 = V_CC
PIN 8 = GND
5
Figure 2. Logic Diagram
ACTIVE-HIGH
OUTPUTS
ORDERING INFORMATION
Device
MC74HC238ANG
Package
PDIP−16
(Pb−Free)
Shipping^†
500 Units / Rail
MC74HC238ADG
SOIC−16
(Pb−Free)
48 Units / Rail
MC74HC238ADR2G
NLV74HC238ADR2G*
SOIC−16
(Pb−Free)
2500 Tape & Reel
MC74HC238ADTG
TSSOP−16
(Pb−Free)
96 Units / Tube
MC74HC238ADTR2G
NLV74HC238ADTR2G*
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.
TRUTH TABLE
Inputs
Outputs
CS3 CS2 CS1
A0
A1
A2
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
H
X
X
X
X
X
L
L
L
L
L
L
L
L
X
H
X
X
X
X
L
L
L
L
L
L
L
L
X
X
L
X
X
X
L
L
L
L
L
L
L
L
L
L
H
L
L
L
H
L
L
L
L
L
L
L
L
L
H
H
L
L
L
H
L
L
L
L
L
L
L
L
H
L
H
L
L
L
H
L
L
L
L
L
L
L
H
H
H
L
L
L
L
H
L
L
L
L
L
L
H
L
L
H
L
L
L
L
H
L
L
L
L
L
H
H
L
H
L
L
L
L
L
H
L
L
L
L
H
L
H
H
L
L
L
L
L
L
H
L
L
L
H
H
H
H
L
L
L
L
L
L
L
H
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