IN74128
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 0o C to 70o C.
ORDERING INFORMATION IN74128N Plastic IN74128D SOIC TA = -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, TA Storage temperature range
NOTES: 1. Voltage values are with respect to network ground terminal. w w w
.d e e h s a t a
. u t4 m o c
7V 5.5 V 0o C to 70o C. -65o C to 150o C
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REMENDED OPERATING CONDITIONS VCC VIH VIL IOH IOL TA Supply voltage High-level input voltage Low-level input voltage High-level output current...
