BUY CD4001BE https://www.utsource.net/itm/p/9444464.html

(XDIP,TI) Description: The CD4001BE is a quad 2-input NOR gate from Texas Instruments. It is a CMOS logic IC with four independent, two-input NOR gates. Features: High noise immunity Low power consumption High speed operation High input impedance Low output impedance Low input current High input threshold Low output saturation voltage TTL compatible Applications: Logic gates Flip-flops Counters Comparators Data selectors/multiplexers Decoders/demultiplexers Signal routing (For reference only)