Serial I²C bus real-time clock (RTC) with battery switchover
I2C RTC SOIC, 2.7-5.5V, -40-85C, Serial Clock
Industrial Real-Time Clock IC, SPI Interface, 7B Memory, -40°C to 85°C
SOP-18 Real-Time Clock IC 7B 2.38V 5.5V -40°C 85°C
DAUGHTER-CARD M41T83SMY6E SOX18
