CDP6818 Overview
CMOS Peripherals _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ CDP6818 OSC'2 '00 sow ,0 '0' IRa RTIEf DS ""w- '55 eE TERMINAL ASSIGNMENT CMOS Real-Time Clock with RAM.
CDP6818 Key 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 MHz, or 32.768 kHz
- Time Base Oscillator for Parallel Resonant Crystals
- 40 to 200 I1W Typical Operating Power at Low Frequency Time Base
- 4.0 to 20 mW Typical Operating Power at High Frequency Time Base
- Binary or BCD Representation of Time, Calendar, and Alarm
