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Part Name
Description
74VHCT138ACW View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
View to exact match
74VHCT138ACW
3-to-8 Decoder/Demultiplexer
Fairchild Semiconductor
74VHCT138ACW Datasheet PDF : 6 Pages
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Truth Table
Inputs
Outputs
E
1
E
2
E
3
A
0
A
1
A
2
O
0
O
1
O
2
O
3
O
4
O
5
O
6
O
7
HXXXXXHHHHHHHH
XHXXXXHHHHHHHH
XX L XXXHHHHHHHH
L LHL L L LHHHHHHH
L LHHL LHLHHHHHH
L LHLHLHHLHHHHH
L LHHHLHHHLHHHH
L LHL LHHHHHLHHH
L LHHLHHHHHHLHH
L LHLHHHHHHHHLH
L LHHHHHHHHHHHL
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
Logic Diagram
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
www.fairchildsemi.com
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