DS1314 Datasheet | Maxim Integrated

19-6307; Rev 6/12 DS1314 3V Nonvolatile Controller with Lithium Battery Monitor Features - Converts CMOS SRAM into nonvolatile memory - Unconditionally write-protects SRAM when VCC is out of tolerance - Automatically switches to battery backup supply when VCC power failure occurs - Monitors voltage of a lithium cell and provides advanced warning of impending battery failure - Signals low-battery condition on active low Battery Warning output signal - Automatic VCC power-fail detection for 3.0V or 3.3V power supplies - Space-saving 8-pin DIP and SOIC packages - Optional 16-pin SOIC and 20-pin TSSOP versions reset processor when power failure occurs and hold processor in reset during...