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)