DS1302 REAL TIME CLOCK MODULE

The DS1302 trickle-charge timekeeping chip contains a real-time clock/calendar. It communicates with a microprocessor via a simple serial interface. The real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year information. On-board CR2032 battery provides backup power. Operates on 2-5.5VDC @ 300mA. Overall dimensions 44mm x 23mm x 11mm. Spec sheet available in PDF format.