BUY 74HC020 https://www.utsource.net/itm/p/1284245.html
Quad 2-input NOR gate
Description: Quad 2-Input NAND Gate
Features:
High-speed operation
Low power consumption
Inputs accept voltages up to 5.5 V
Outputs source/sink 24 mA
CMOS logic family
ESD protection
Applications:
Signal processing
Data transmission
Logic interfacing
Memory decoding
Address decoding
Clock generation
Timing and sequencing
(For reference only)
