Olimex MOD-RTC2 Real Time Clock

MOD-RTC2 is a new and improved version of our MOD-RTC module. It is suitable for applications that require accurate time keeping during power off. It is smaller copared to MOD-RTC. The DS3231 IC is more precise than the PCF8563 used in MOR-RTC.
The male UEXT connector allows MOD-RTC2 to be pluggged directly to any of our boards with female UEXT connector without cables and soldering.

Features:

• DS3231 accurate time keeping IC
• I2C interface
• Male UEXT connector
• CR2032 Li battery holder for backup power supply
• Operating temperature: -45+85°C
• Dimensions: (37 x 20) mm ~ (1.45 x 0.78)"