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74HC137 Datasheet(PDF) 3 Page - NXP Semiconductors

Part No. 74HC137
Description  3-to-8 line decoder, demultiplexer with address latches inverting
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
Logo 

 
 3 page
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9397 750 13804
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet
Rev. 03 — 11 November 2004
3 of 19
Philips Semiconductors
74HC137
3-to-8 line decoder, demultiplexer with address latches; inverting
5.
Functional diagram
Fig 1.
Functional diagram
Fig 2.
Logic symbol
Fig 3.
IEC logic symbol
001aab881
Y0
Y1
Y2
3 TO 8
DECODER
INPUT
LATCHES
Y3
Y4
Y5
Y6
Y7 7
9
10
11
12
13
14
15
A0
A1
E1
E2
A2
LE
4
3
5
6
2
1
001aab879
Y0
Y1
Y2
3 TO 8
DECODER
INPUT
LATCHES
Y3
Y4
Y5
Y6
Y7
7
9
10
11
12
13
14
15
A0
A1
E1
E2
5
6
A2
LE
4
3
2
1
001aab880
0
1
2
3
4
5
6
7
7
9
10
11
12
13
14
15
C8
8D,1
8D,2
X/Y
EN
&
2
8D,4
3
5
6
1
4
0
1
2
3
4
5
6
7
7
9
10
11
12
13
14
15
C8
0
8D,G
0
7
DX
&
2
2
3
5
6
1
4




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