BUY 74HC20A https://www.utsource.net/itm/p/286485.html
Dual 4-input NAND Gates
Description: The 74HC20A is a high-speed CMOS logic quad 2-input NAND gate. It is fabricated with silicon gate C2MOS technology.
Features:
Low power consumption
High noise immunity
High speed operation
High output drive capability
Low input current
High noise immunity
ESD protection
Applications:
Digital logic circuits
Interface circuits
Timing circuits
Memory circuits
Signal processing circuits
Industrial control circuits
(For reference only)