Time Clock Module DS1302

The DS1302 Time Clock Module is a real-time clock (RTC) designed to keep track of time and date even when the main system is powered off. It integrates a clock/calendar chip with a backup battery, ensuring accurate timekeeping in a compact and energy-efficient package.

Specification :

• Operating Voltage : 2.0V to 5.5V
• Battery Support : CR2032
• Module Dimensions : Typically ~27mm x 14mm
• Current Consumption : < 300nA (with backup battery)
• Communication Interface : 3-wire (CE, I/O, SCLK)
• Data Retention : Over 10 years with backup battery
• Time Format : 12-hour
• Mounting Type : Through-hole or PCB mount