BUY MSM82C54-2RS https://www.utsource.net/itm/p/11541691.html

Description: MSM82C54-2RS is a 24-pin DIP (dual in-line package) CMOS timer/counter integrated circuit manufactured by OKI. Features: High-speed operation: 5MHz max. Low power consumption: 0.5mA max. TTL compatible inputs and outputs. 16-bit counter/timer with four independent 16-bit registers. 8-bit prescaler. 8-bit programmable counter/timer. Programmable interrupt. Programmable pulse width modulation. Programmable pulse width modulation. Applications: Automotive electronics Industrial control Robotics Instrumentation Medical equipment Telecommunications Security systems Home appliances (For reference only)