Philips Semiconductors
Product specification
4-to-16 line decoder/demultiplexer
FUNCTION TABLE
See note 1.
INPUT
E0
H
H
L
L
E1
H
L
H
L
A0
X
X
X
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
Note
1. H = HIGH voltage level
L = LOW voltage level
X = don’t care.
A1
X
X
X
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
A2
X
X
X
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
A3
X
X
X
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
Y0
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Y1
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Y2
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
Y3
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
Y4
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
Y6
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
Y7
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
OUTPUT
Y8
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
Y2
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
74HC154; 74HCT154
Y9 Y10 Y11 Y12 Y13 Y14 Y15
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
2004 Oct 12
3