BUY 74LS02N https://www.utsource.net/itm/p/1759195.html
Description: Quad 2-Input NOR Gate
Features:
Low Power Consumption
High Speed Operation
Input Clamp Diodes
Outputs Source/Sink 24 mA
Fanout of 10 LSTTL Loads
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range of 3 to 18V
Operating Temperature Range of -55 to 125°C
Application:
Logic Gates
Flip-Flops
Counters
Data Selectors/Multiplexers
Bus Drivers
Decoders/Demultiplexers
Address Decoders
Parity Generators/Checkers
Shift Registers
Oscillators
Interfacing to High Voltage/Current Circuits
(For reference only)