•Built-in frequency adjusted 32.768 kHz crystal unit.
•Interface Type : I
2C-Bus Interface (400 kHz)
•Operating voltage range : 1.6 V to 5.5 V
•Wide voltage for timekeeping : 1.3 V to 5.5 V
•Low backup current : 220 nA / 3 V (Typ.)
•32.768 kHz frequency output function : C-MOS output With Control Pin
•Built-in user RAM :128 bit (8 bit x 16, SRAM)
•The various functions include full calendar, alarm, timer, etc.
(Long-running timer : 65535 hours)