TECHNICAL DATA
Triple 3-Input NOR Gate
High-Speed Silicon-Gate CMOS
The IN74AC27 is identical in pinout to the LS/ALS27, HC/HCT27.
The device inputs are compatible with standard CMOS outputs; with
pullup resistors, they are compatible with LS/ALS outputs.
•
Outputs Directly Interface to CMOS, NMOS, and TTL
•
Operating Voltage Range: 2.0 to 6.0 V
•
Low Input Current: 1.0
μA;
0.1
μA
@ 25°C
•
High Noise Immunity Characteristic of CMOS Devices
•
Outputs Source/Sink 24 mA
IN74AC27
ORDERING INFORMATION
IN74AC27N Plastic
IN74AC27D SOIC
T
A
= -40° to 85° C for all packages
LOGIC DIAGRAM
PIN ASSIGNMENT
FUNCTION TABLE
PIN 14 =V
CC
PIN 7 = GND
Inputs
A
H
X
X
L
B
X
H
X
L
C
X
X
H
L
Output
Y
L
L
L
H
Rev. 00