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)