It has full function and pin compatibility with LSTTL family and most types of the CMOS-4000 family. It features very short switching times and with a fan out of 10 LSTTL loads.
74HC02N Quad 2 input NOR gate DIL-14 TI
2 to 6VDC supply voltage
9ns propagation delay
Low power dissipation 20μA Icc typ.
-40°C to +85°C operating temperature