CDP6818 - CMOS Real-Time Clock
CDP6818 Features
* Low-Power, High-Speed, High-Density CMOS
* Internal Time Base and Oscillator
* Counts Seconds, Minutes, and Hours of the Day
* Counts Days of the Week, Date, Month, and Year
* 3 V to 6 V Operation
* Time Base Input Options: 4.194304 MHz, 1.048576 MH
