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零件编号
产品描述 (功能)
74HC137 查看數據表(PDF) - Philips Electronics
零件编号
产品描述 (功能)
生产厂家
74HC137
3-to-8 line decoder/demultiplexer with address latches; inverting
Philips Electronics
74HC137 Datasheet PDF : 8 Pages
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Philips Semiconductors
3-to-8 line decoder/demultiplexer with
address latches; inverting
Product specification
74HC/HCT137
FUNCTION TABLE
LE
H
X
X
L
L
L
L
L
L
L
L
E
1
L
H
X
L
L
L
L
L
L
L
L
INPUTS
E
2
H
X
L
H
H
H
H
H
H
H
H
A
0
X
X
X
L
H
L
H
L
H
L
H
Notes
1. H = HIGH voltage level
L = LOW voltage level
X = don’t care
A
1
X
X
X
L
L
H
H
L
L
H
H
A
2
X
X
X
L
L
L
L
H
H
H
H
Y
0
H
H
L
H
H
H
H
H
H
H
Y
1
Y
2
H
H
H
H
H
H
L
H
H
L
H
H
H
H
H
H
H
H
H
H
OUTPUTS
Y
3
Y
4
stable
H
H
H
H
H
H
H
H
H
H
L
H
H
L
H
H
H
H
H
H
Y
5
Y
6
Y
7
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
L
H
H
H
L
December 1990
Fig.5 Logic diagram.
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