I2C RTC SOIC, 2.7-5.5V, -40-85C, Serial Clock
SPI RTC IC, 2.7-5.5V, SOIC, Industrial
Industrial Real-Time Clock IC, 7B Memory, I2C/Series, 2.38V to 5.5V, -40°C to 85°C
8-Bit Real-Time Clock Timer IC, 18-Pin SOX Package, Industrial Temperature
Serial I²C bus real-time clock (RTC) with battery switchover