CD74AC238_14 Datasheet, PDF (2/14 Pages) Texas Instruments – 3-LINE TO 8-LINE DECODER/DEMULTIPLEXER

CD74AC238
3-LINE TO 8-LINE DECODER/DEMULTIPLEXER
SCHS331 – FEBRUARY 2003
FUNCTION TABLE
ENABLE INPUTS
SELECT INPUTS
OUTPUTS
G1 G2A G2B C
B
A
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
X
H
X
X
X
X
L
L
L
L
L
L
L
L
X
X
H
X
X
X
L
L
L
L
L
L
L
L
L
X
X
X
X
X
L
L
L
L
L
L
L
L
H
L
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
L
H
L
H
L
L
L
L
L
L
H
L
L
L
H
L
L
L
H
L
L
L
L
L
H
L
L
L
H
H
L
L
L
H
L
L
L
L
H
L
L
H
L
L
L
L
L
L
H
L
L
L
H
L
L
H
L
H
L
L
L
L
L
H
L
L
H
L
L
H
H
L
L
L
L
L
L
L
H
L
H
L
L
H
H
H
L
L
L
L
L
L
L
H
logic diagram (positive logic)
A1
15
Y0
14
Y1
Select
Inputs
B2
3
C
13
Y2
12
Y3
11 _Y4
Data
Outputs
10
Y5
Enable
Inputs
4
G2A
G2B ⁵
6
G1
9
Y6
7 _Y7
2
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