DS1210 Description
VCCO - RAM Supply VBAT1 - + Battery 1 TOL - Power Supply Tolerance GND - Ground CE - Chip Enable Input CEO VBAT2 VCCI NC - Chip Enable Output - + Battery 2 - + Supply - No Connect DESCRIPTION The DS1210 Nonvolatile Controller Chip is a CMOS circuit which solves the application problem of converting CMOS RAM into nonvolatile memory. Ining power is monitored for an out-of-tolerance condition. When such a condition is...
DS1210 Key Features
- Converts CMOS RAMs 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 16-Pin SO Packages
- Consumes <100nA of Battery Current
- Tests Battery Condition on Power up
- Provides for Redundant Batteries
- Optional 5% or 10% Power-Fail Detection
- Low Forward Voltage Drop on the VCC
- 40°C to +85°C