MC74LVX139MEL(2001) データシートの表示（PDF） - ON Semiconductor
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MC74LVX139MEL Datasheet PDF : 12 Pages
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MC74LVX139
ADDRESS
INPUTS
A0a 2
A1a 3
Ea 1
4 Y0a
5 Y1a
6 Y2a
7 Y3a
ACTIVE–LOW
OUTPUTS
ADDRESS
INPUTS
A0b 14
A1b 13
12 Y0b
11 Y1b
10 Y2b
9 Y3b
ACTIVE–LOW
OUTPUTS
Eb 15
Figure 2. Logic Diagram
En
Y0
Y1
A0
Y2
Y3
A1
Figure 3. Expanded Logic Diagram
(1/2 of Device)
A1a 3
A0a 2
Ea 1
A1b 13
A0b 14
Eb 15
X/Y
1
0
2
1
EN
2
3
4 Y0a A1a 3
5 Y1a A0a 2
6 Y2a Ea 1
7 Y3a
12 Y0b
11 Y1b A1b 13
10 Y2b A0b 14
9 Y3b 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
INPUT
Figure 4. IEC Logic Diagram
Figure 5. Input Equivalent Circuit
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