BUY CD74HC27M https://www.utsource.net/itm/p/11644163.html

Description: The CD74HC27M is a high-speed CMOS logic quad 2-input NOR gate device. Features: - High-speed performance: tpd = 10 ns (typical) - Low power consumption: ICC = 4 μA (max) - High noise immunity: VNIH = VNIL = 28% VCC (min) - Outputs source/sink 24 mA - CMOS low power consumption - Outputs are fully buffered Applications: - Digital logic gates - Bus drivers - Clock drivers - Address decoders - Data selectors/multiplexers - Flip-flops - Shift registers - Counters - Oscillators - Pulse generators (For reference only)