TECHNICAL DATA
QUAD 2-INPUT NOR LINE DRIVER
This device contains four independent 2-input-NOR
line drivers. It performs the Boolean function
Y = A+B or Y = A*B. The IN74128 is designed to
drive 50 ohm lines.
The IN74128 is characterized for operation from 0
o
C
to 70
o
C.
IN74128
ORDERING INFORMATION
IN74128N Plastic
IN74128D SOIC
T
A
= -10° to 70° C for all
packages
Logic Symbol
(2)
1A
(3)
1B
2A
2B
3A
(9)
3B
4A
4B
(11
(12
(13
4Y
(5)
(6)
(8)
(10)
3Y
>1
(1)
1Y
(4)
2Y
Logic Diagram (Positive Logic)
ABSOLUTE MAXIMUM RATINGS OVER OPERATING FREE-AIR TEMPERATURE
RANGE
Supply voltage, Vcc ( see Note 1)
Input voltage
Operating free-air temperature range, T
A
Storage temperature range
NOTES: 1. Voltage values are with respect to network ground terminal.
7V
5.5 V
o
0 C to 70
o
C.
-65
o
C to 150
o
C
1
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