TECHNICAL DATA
IN74HC14A
Hex Schmitt-Trigger Inverter
High-Performance Silicon-Gate CMOS
The IN74HC14A is identical in pinout to the LS/ALS14, LS/ALS04.
The device inputs are compatible with standard CMOS outputs; with
pullup resistors, they are compatible with LS/ALSTTL outputs.
The IN74HC14A is useful to “square up” slow input rise and fall
times. Due to the hysteresis voltage of the Schmitt trigger, the
IN74HC14A finds applications in noisy environments.
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Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0
µA
High Noise Immunity Characteristic of CMOS Devices
ORDERING INFORMATION
IN74HC14AN Plastic
IN74HC14AD SOIC
T
A
= -55° to 125° C for all packages
LOGIC DIAGRAM
PIN ASSIGNMENT
FUNCTION TABLE
Inputs
A
L
H
PIN 14 =V
CC
PIN 7 = GND
Output
Y
H
L
55
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