· Built in frequency adjusted 32.768 kHz crystal unit.
· Interface Type : Serial interface in 3 lines form.
· Operating voltage range : 1.5 V to 5.5 V
· Wide timekeeper voltage range : 1.0 V to 5.5 V / Ta=+25
· Low backup current : 0.32 A / 3 V ( Typ. )
· 32.768 kHz frequency output function : C-MOS output With Control Pin
· Real-time clock function Clock/calendar function, auto leap year correction function, alarm interrupt function, etc.