MC74F139 Motorola, MC74F139 Datasheet - Page 3

• Manufacturer Part Number: MC74F139
• Description: DUAL 1-OF-4 DECODER FAST SHOTTKY TTL
• Manufacturer: Motorola

H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
FUNCTION TABLE
E
H
L
L
L
L
Inputs
A 0
H
H
X
L
L
A 1
H
H
X
L
L
O 0
H
H
H
H
L
O 1
H
H
H
H
L
Outputs
A 0
A 1
A 0
A 1
A 0
A 1
A 0
A 1
E
E
E
E
O 2
H
H
H
H
L
FAST AND LS TTL DATA
MC54/74F139
O 3
H
H
H
H
L
O 0
O 1
O 2
O 3
Figure 1.
4-58
A 0
A 1
A 0
A 1
A 0
A 1
A 0
A 1
E
E
E
E
O 0
O 1
O 2
O 3