The ICM7555M/TR is a 1 MHz SOP-8 Timers / Clock Oscillators ROHS manufactured by HGSEMI. It features a 16-bit timer and 10-bit prescaler that allows user-defined time intervals, including up to 65,536 time periods. It also includes 8 internal protection levels, which protect the timer's integrity, as well as 6 operation modes that provide for a variety of functions. Additionally, the ICM7555M/TR has a wide working temperature range from -55°C to +125°C, making it suitable for a variety of applications.