DS1218 Key Features
- Converts CMOS RAM into nonvolatile memories
- Unconditionally write protects when VCC is out of tolerance
- Automatically switches to battery when power fail occurs
- Space saving 8-pin PDIP or 8-pin 150 mil SO Packages
- Consumes less than 100nA of battery current
- Input +5 Volt Supply
- RAM Power (VCC) Supply
- Chip Enable Input NC
- No Connection
- Chip Enable Output