BUY MB74HC00P https://www.utsource.net/itm/p/1734855.html

Description: The MB74HC00P is a high-speed CMOS 4-bit magnitude comparator fabricated with silicon gate C2MOS technology. 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 Applications: Magnitude comparison Magnitude detection Digital thermometers Digital voltmeters Digital comparators (For reference only)