74LV138PW 데이터 시트보기 (PDF) - Philips Electronics
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74LV138PW Datasheet PDF : 12 Pages
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Philips Semiconductors
3-to-8 line decoder/demultiplexer; inverting
Product specification
74LV138
LOGIC DIAGRAM
LOGIC SYMBOL (IEEE/IEC)
1
A0
2
A1
3
A2
4
E1
5
E2
E3
6
FUNCTIONAL DIAGRAM
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
SV00525
DX
0
1
0
1
2
G
0
7
2
3
2
3
4
4
&
5
5
6
6
7
(a)
X
15
Y0
15
14
1
1
1
14
13
2
2
2
13
12
3
4
3
12
11
4
11
10
4
9
5
7
6
&
5
10
6
9
EN
7
7
(b)
SV00526
A0
1
A1
2
A2
3
3-to-8
DECODER
ENABLE
EXITING
E1
4
E2
5
E3
6
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
SV00527
FUNCTION TABLE
INPUTS
OUTPUTS
E1
E2
E3
A0
A1
A2
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
H
X
X
X
X
X
H
H
H
H
H
H
H
H
X
H
X
X
X
X
H
H
H
H
H
H
H
H
X
X
L
X
X
X
H
H
H
H
H
H
H
H
L
L
H
L
L
L
L
H
H
H
H
H
H
H
L
L
H
H
L
L
H
L
H
H
H
H
H
H
L
L
H
L
H
L
H
H
L
H
H
H
H
H
L
L
H
H
H
L
H
H
H
L
H
H
H
H
L
L
H
L
L
H
H
H
H
H
L
H
H
H
L
L
H
H
L
H
H
H
H
H
H
L
H
H
L
L
H
L
H
H
H
H
H
H
H
H
L
H
L
L
H
H
H
H
H
H
H
H
H
H
H
L
NOTES:
H = HIGH voltage level
L = LOW voltage level
X = don’t care
1998 Apr 28
3
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