CDP6818A Overview
__________________________ CMOS Peripherals Advance Information TERMINAL ASSIGNMENT MOT OSCI 24 Voo 23 sew OSC2 ADO 22 PS 21 CKour" ADI AD2 AD3 AD4 AD5 7 8 9 20 C KFS 19 TAo 18 'R"E"SE'T 17 os 16 STBY AD6 10 '5 R/W "AD7 VSS '2 cs'4 AS '3 92C5-42690 24-Lead.
CDP6818A Key Features
- Low-power, high-speed 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 pW typical operating power at low frequency time base
- 4.0 to 20 mW typical operating power at high frequency time base
