The 5V41236PGGI is a CMOS real-time clock (RTC) manufactured by Integrated Device Technology (IDT). It features a low-power operation, a programmable real-time clock (RTC), a trickle-charge capability, and an integrated 256-byte RAM. The timer it features is supplied in a TSSOP-20 RoHS compliant package with an extended operating temperature range of -40°C to 125°C. It offers a high accuracy of ±4ppm at 25°C (calibrated) and an output of +5V ±10%. It is commonly used in applications such as industrial automation equipment, HVAC systems, and medical equipment.