X1B000232000100 Serial interface RTC modules, 5.0ppm, I²C/SPI, SOP-14

Low current consumption SERIAL-INTERFACE REAL TIME CLOCK MODULE

Features: · Built in frequency adjusted 32.768-kHz crystal unit. · Real-time clock function : clock/calendar function, long timer function, alarm interrupt function, etc. · User RAM : Built in 128 bit RAM · 32,768 kHz output function : C-MOS or N-ch open drain · Interface type : Selectable I2C bus and SPI bus by PIN. · Interface voltage range : 1.6 V ~ 5.5 V. · Timekeeper voltage range : 1.1 V ~ 5.5 V. · Built-in backup switchover circuit : Battery backup switchover function is the automatic switchover circuit. · Interface Power Supply Input PIN. : Power supply can use the backup charge voltage and the interface voltage with the other voltage · Backup current consumption : 130 Na type / 3 Vbackup charge voltage and the interface voltage with the other voltage · Backup current consumption : 130 nA type / 3 V.