•Built-in 32.768 kHz crystal unit
: Frequency adjusted for high accuracy (± 5 ×10−6 / Ta = +25 °C)
•Interface Type : I2C-Bus Interface (400 kHz)
•Operating voltage range : 1.70 V to 5.5 V
•Wide voltage for timekeeping : 1.15 V to 5.5 V
•Various detection Functions : Ex. Oscillation stop detection function
•Low backup current : 0.48 µA / 3 V (Typ.)
•32.768 kHz frequency output function : C-MOS output with OE pin.
•The various functions include full calendar, Dual alarm, Periodic interruption.