MC146818
Overview
- Low-Power, High-Speed, High-Density CMOS CASE 709
- 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 MHz, or
- 768 kHz