BUY HD74HC02P https://www.utsource.net/itm/p/1208485.html
LOGIC GATE|QUAD 2-INPUT NOR|HC-CMOS|DIP|14PIN|PLASTIC
Description: The HD74HC02P is a high-speed CMOS logic quad 2-input NOR gate manufactured by Hitachi/Renesas. Features: High-speed operation: tpd = 10 ns (typ.) at VCC = 5 V Low power dissipation: ICC = 1 μA (max) at Ta = 25 °C High noise immunity: VNIH = VNIL = 28 % VCC (min) Balanced propagation delays: tPLH tPHL Wide operating voltage range: VCC (opr) = 2 to 6 V Pin and function compatible with 74LS02 Applications: The HD74HC02P is suitable for use in high-speed logic applications such as clock and timing circuits, data transmission circuits, and address decoding circuits. (For reference only)