Key Features - Arduino Compatible http://playground.arduino.cc/Main/DS1302

Brand new DS1302 Real Time Clock Module with CR2032 Button Cell

.Made of FR-I material
.DS1302 main performance index
.Provide seconds, minutes, hours, days, date, months, and year information
.The end of the month date is automatically adjusted for months with less than 31 days, including correction for leap years
.When the working voltage is 2.0V, the current is less than 300nA
.Single-byte and multi-byte transmission for clock or RAM data read / write
.8 feet DIP assembly or optional 8 feet SOIC encapsulation according to surface assembly
.Equipped with 3 line interface
.Come with a CR2032 button cell
.Color: Black + green
.Material: FR-I
.Wide Working Voltage: 2.0~5.5 V
.Wiring: VCC/ GND/ CLK/ DAT/ RST
.Package Dimensions: 80.0*50.0*12.0mm
.Weight: 12.0g

Specifications