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.