The Analog Devices DS1210S is a nonvolatile controller chip designed to convert CMOS RAM into nonvolatile memory. It operates within a 4.75V to 5.5V range and comes in a 16-SOIC package.
The Analog Devices DS1210S+ is a nonvolatile controller chip designed to convert CMOS RAM into nonvolatile memory. It operates within a 0°C to 70°C temperature range.