The AiP1307SA8.TR SOP-8 Real-time Clocks (RTC) ROHS manufactured by I-core is a low power clock device used to support real-time clock function for microprocessor applications. It has an extremely low-power consumption that can be supplied with 1.2V to 1.5V and is operating temperature range between -40°C to +85°C. This chip has features such as a 32.768KHz crystal oscillator, 16-bit cascaded timer, and circuit for detecting supply voltage range, the chip also utilizes a CR2032 coin-cell battery architecture and has a backup voltage threshold of 1.1V. It also comes with an integrated power LED output that can be used to indicate the status of the device.