74AHC138 Philips Semiconductors, 74AHC138 Datasheet - Page 3

• Manufacturer Part Number: 74AHC138
• Description: 3-to-8 line decoder/demultiplexer; inverting
• Manufacturer: Philips Semiconductors

Philips Semiconductors
FUNCTION TABLE
See note 1.
Note
1. H = HIGH voltage level;
ORDERING INFORMATION
PINNING
1999 Sep 27
74AHC138D
74AHC138PW
74AHCT138D
74AHCT138PW
1, 2 and 3
4 and 5
6
7, 9, 10 11, 12, 13, 14 and 15
8
16
3-to-8 line decoder/demultiplexer; inverting
E
OUTSIDE NORTH
H
X
X
L
L
L
L
L
L
L
L
L = LOW voltage level;
X = don’t care.
1
AMERICA
E
H
X
X
L
L
L
L
L
L
L
L
2
E
X
H
H
H
H
H
H
H
H
X
L
3
INPUT
PIN
74AHC138D
74AHC138PW DH
74AHCT138D
74AHCT138PW DH
A
NORTH AMERICA
X
X
X
H
H
H
H
L
L
L
L
0
A
H
H
H
H
X
X
X
L
L
L
L
1
A
H
H
H
H
X
X
X
L
L
L
L
2
A
E
E
Y
GND
V
0
1
3
7
CC
Y
, A
H
H
H
H
H
H
H
H
H
H
L
SYMBOL
and E
to Y
0
PINS
1
16
16
16
16
and A
3
0
2
Y
H
H
H
H
H
H
H
H
H
H
L
1
2
address inputs
enable inputs (active LOW)
enable input (active HIGH)
outputs (active LOW)
ground (0 V)
DC supply voltage
Y
PACKAGE
H
H
H
H
H
H
H
H
H
H
L
2
TSSOP
TSSOP
SO
SO
PACKAGES
Y
H
H
H
H
H
H
H
H
H
H
L
OUTPUT
3
DESCRIPTION
MATERIAL
Y
H
H
H
H
H
H
H
H
H
H
L
4
plastic
plastic
plastic
plastic
Y
H
H
H
H
H
H
H
H
H
H
L
74AHCT138
Product specification
5
74AHC138;
Y
SOT109-1
SOT403-1
SOT109-1
SOT403-1
H
H
H
H
H
H
H
H
H
H
L
6
CODE
Y
H
H
H
H
H
H
H
H
H
H
L
7