BUY 74LS161AN https://www.utsource.net/itm/p/1369603.html

The 74LS161AN is a synchronous 4-bit binary counter with parallel load manufactured by Signetics. It is a 16-pin DIP (Dual Inline Package) integrated circuit. Description: The 74LS161AN is a 4-bit synchronous binary counter with parallel load. It has four synchronous J-K flip-flops with a common Clock input and a Master Reset input. It has a Parallel Load input which allows the user to preset the counter to any desired count. It also has four outputs which can be used to drive LEDs or other devices. Features: Synchronous operation 4-bit binary counter Parallel load capability Master Reset input 16-pin DIP package Applications: The 74LS161AN is used in a variety of applications such as digital clocks, frequency dividers, and event counters. It is also used in applications such as digital thermometers, data acquisition systems, and digital voltmeters. (For reference only)