SERIAL-INTERFACE REAL TIME CLOCK MODULE

• Built in frequency adjusted 32.768 kHz crystal unit.

• Interface Type : 3-wire serial interface

• Operating voltage range : 1.6 V to 5.5 V

• Wide Timekeeper voltage range : 1.6 V to 5.5 V

• Low backup current : 0.5 µA / 3 V ( Typ. )

• 32.768 kHz frequency output function : C-MOS output With Control Pin

• The various functions include full calendar, alarm, timer.