DS1688 clock equivalent, (ds1688 / ds1691) 3 volt/5 volt serialized real time clock.
Incorporates industry standard DS1287 PC clock plus enhanced features:
PIN ASSIGNMENT
VBAUX X1 X2 RCLR AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 PWR GND 1 2 3 4 5 6 7 8 9 10 11 12.
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