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DS1307 IC - Real Time Clock (RTC) IC
48 48
UL recognized
Operating temperature range from -40°C to 85°C
Automatic power fail to detect and switch circuitry
Timekeeping current of 300nA
Completely manages all timekeeping functions
56byte, battery backed, general purpose RAM with unlimited writes
A programmable square wave output signal
Simple serial port interfaces to most Microcontrollers