BUY M74LS682P https://www.utsource.net/itm/p/633303.html
8-Bit Magnitude Comparator
Description: Quadruple 2-Input Positive-AND Gates Features: Low power dissipation High noise immunity High speed Low input current Low quiescent current Wide operating voltage range High output current Low input capacitance High fan-out High noise immunity High speed Low input current Low quiescent current Applications: Logic circuits Data processing Memory circuits Control circuits Timing circuits Interface circuits Power supply circuits Signal processing circuits Automotive electronics (For reference only)