MC74VHC139MEL Ver la hoja de datos (PDF) - ON Semiconductor
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MC74VHC139MEL Datasheet PDF : 8 Pages
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MC74VHC139
EXPANDED LOGIC DIAGRAM
(1/2 OF DEVICE)
En
Y0
Y1
A0
Y2
Y3
A1
INPUT
Figure 1. Input Equivalent Circuit
A1a 3
A0a 2
Ea 1
A1b 13
A0b 14
Eb 15
IEC LOGIC DIAGRAM
X/Y
1
0
2
1
EN
2
3
4 Y0a
5 Y1a
6 Y2a
7 Y3a
12 Y0b
11 Y1b
10 Y2b
9 Y3b
A1a 3
A0a 2
Ea 1
A1b 13
A0b 14
Eb 15
DMUX
0
1
G
0
3
0
1
2
3
4 Y0a
5 Y1a
6 Y2a
7 Y3a
12 Y0b
11 Y1b
10 Y2b
9 Y3b
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