Quick Overview 

1. The real-time clock counts minutes, seconds, date, hours, month day of the week, year and leap-year compensation up to 2100.
2. 318 temporary data storage RAM
3. Working current of 2.0V, less than 300nA
4. Read / Write clock or RAM data with two kinds of mode of single-byte transfer mode and multi-byte character set
5. 8 pin DIP package or optional 8 pin SOIC package based on the surface assembly
6. Simple 3 wire interface
7. Compatible with TTL Vcc=5V
8. Double power supply pipe for main power and backup power supply.

Product Description

         The DS1302 trickle-charge timekeeping chip module with battery backup contains a real-time clock/calendar and 31 bytes of static RAM. 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.