DS1312

Nonvolatile Controller with Lithium Battery Monitor

Data Sheet (Rev. 3) Product Selection Table
Part Models
5
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Part Details

  • 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
  • Optional 5% or 10% power-fail detection
  • 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 system power-up
  • Industrial temperature range of -40°C to +85°C
DS1312
Nonvolatile Controller with Lithium Battery Monitor
DS1312: Functional Block Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 2

Technical Articles 1

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