74vhc138mx-nl Fairchild Semiconductor, 74vhc138mx-nl Datasheet - Page 2
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74vhc138mx-nl
Manufacturer Part Number
74vhc138mx-nl
Description
74vhc138 3-to-8 Decoder/demultiplexer
Manufacturer
Fairchild Semiconductor
Datasheet
1.74VHC138MX-NL.pdf
(7 pages)
www.fairchildsemi.com
Truth Table
H
L
X
LOW Voltage Level
HIGH Voltage Level
Immaterial
E
H
X
X
L
L
L
L
L
L
L
L
1
E
H
X
X
L
L
L
L
L
L
L
L
2
E
X
X
H
H
H
H
H
H
H
H
L
Inputs
3
A
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
X
X
X
H
H
H
H
L
L
L
L
2
O
H
H
H
H
H
H
H
H
H
H
L
0
2
O
H
H
H
H
H
H
H
H
H
H
L
1
O
H
H
H
H
H
H
H
H
H
H
L
2
O
Outputs
H
H
H
H
H
H
H
H
H
H
L
3
O
H
H
H
H
H
H
H
H
H
H
L
4
O
H
H
H
H
H
H
H
H
H
H
L
5
O
H
H
H
H
H
H
H
H
H
H
L
6
O
H
H
H
H
H
H
H
H
H
H
L
7