74AHC139 View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
74AHC139 Datasheet PDF : 16 Pages
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Philips Semiconductors
Dual 2-to-4 line decoder/demultiplexer
Product specification
74AHC139;
74AHCT139
handbook, halfpage
1E 1
1A0 2
1A1 3
1Y0 4
1Y1 5
1Y2 6
1Y3 7
GND 8
16 VCC
15 2E
14 2A0
13 2A1
139
12 2Y0
11 2Y1
10 2Y2
9 2Y3
MNA465
Fig.1 Pin configuration.
handbook, halfpage
1
1E
1Y0
4
2 1A0
1Y1
5
3 1A1
1Y2
6
1Y3
7
2Y0 12
14 2A0
2Y1 11
13 2A1
10
2Y2
9
2E 2Y3
15 MNA466
Fig.2 Logic symbol.
handbook, halfpage
20
31
1
DX
G
0
3
0
1
2
4
5
6
7
3
14
13
15
DX 0 12
0
1
G
0
3
1
2
11
10
9
3
(a)
2
X/Y 0
1
4
5
32
1 EN
1
2
6
7
3
14
13
15
X/Y 0 12
1
11
1
2
10
2
EN
9
3
(b) MNA467
handbook, halfpage
2 1A0
3 1A1
1 1E
14 2A0
13 2A1
15 2E
1Y0 4
1Y1 5
1Y2 6
1Y3 7
2Y0 12
2Y1 11
2Y2 10
2Y3 9
MNA468
Fig.3 IEC logic symbol.
1999 Sep 01
Fig.4 Functional diagram.
4
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