BUY 74LS02D https://www.utsource.net/itm/p/608742.html
Description: Quad 2-Input NOR Gate
Features:
- Low power Schottky
- Inputs compatible with standard TTL outputs
- Outputs source/sink 24 mA
- Outputs direct logic level compatible
- High noise immunity
- High speed
- High output current capability
Applications:
- Logic circuits
- Clock and timing circuits
- Address decoding
- Bus oriented systems
- Flip-flops
- Counters
- Data selector/multiplexers
- Parity circuits
(For reference only)
