DS1218
Description
The DS1218 is a CMOS circuit which solves the application problems of converting CMOS RAM into nonvolatile memory.
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
- RAM Power (VCC) Supply CEI - Chip Enable Input NC - No Connection CEO VBAT GND
- Chip Enable Output - + Battery - Ground