BUY SN74LS161N CHINA ORIGINAL https://www.utsource.net/itm/p/8929133.html

Description: The SN74LS161N is a 4-bit synchronous binary counter with a synchronous reset. It is a high-speed, low-power, low-voltage, TTL-compatible device. Features: Synchronous operation Synchronous reset High-speed operation Low-power consumption Low-voltage operation TTL-compatible Applications: The SN74LS161N is suitable for applications such as frequency dividers, event counters, and address generators. It can also be used in digital systems for counting and timing applications. (For reference only)