BUY TC4011BF https://www.utsource.net/itm/p/11241590.html

Description: The TC4011BF is a CMOS dual 4-input NOR gate. Features: Low Power Consumption High Noise Immunity High Speed Operation Low Input Current High Output Current High Input Impedance Low Output Impedance High Input/Output Voltage Applications: Logic Gates Flip-Flops Counters Comparators Multiplexers Decoders Data Selectors Timers Oscillators Memory Circuits Interface Circuits (For reference only)