•Built in frequency adjusted 32.768 kHz crystal unit.
•Interface Type : I2C-Bus interface (400 kHz)
•Operating voltage range : 1.6 V to 5.5 V
•Wide voltage for time keeping. : 1.1 V to 5.5 V
•Low backup current : 160 nA / 3 V (Typ.)
•Frequency output function : C-MOS or Open-Drain output
•Built-in user RAM : 128 bit (8 bit x 16, SRAM)
•The various functions include full calendar, alarm, timer, etc.
•This product is conform to industrial standard SOP8 package,
and it can be mounted to the common land pattern.