It's a 74HC02 quad 2 input NOR gate in DIP-14 package. This 2 input NOR gate generally use in combinational circuit such as multipliers, multiplexer, half and full adder, ripple carry adder, it's also use in sequential circuit in register.
Specification:
| Operating Voltage Range | 2.0 to 6.0 V |
| Package | DIP−14 |
| DC Input Current, per Pin | ±20 mA |
| DC Output Current, per Pin | ±25 mA |
| Temperature Range | – 65°C to + 150° C |
| Country of Origin | China |
