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DS1210 +BOM

Nonvolatile Controller 4.5V to 5.5V 8-Pin PDIP N Tube

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DS1210 General Description

DESCRIPTIONThe DS1210 Nonvolatile Controller Chip is a CMOS circuit which solves the application problem of converting CMOS RAM into nonvolatile memory. Incoming power is monitored for an out-of-tolerance condition. When such a condition is detected, chip enable is inhibited to accomplish write protection and the battery is switched on to supply the RAM with uninterrupted power. Special circuitry uses a low leakage CMOS process which affords precise voltage detection at extremely low battery consumption. The 8-pin DIP package keeps PC board real estate requirements to a minimum. By combining the DS1210 Nonvolatile Controller Chip with a CMOS memory and batteries, nonvolatile RAM operation can be achieved.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 DIP■ 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   Switch■ Optional 16-Pin SOIC Surface Mount   Package■ Optional Industrial (N) Temperature Range of   -40°C to +85°C

Key Features

  • The features of DS1210+ include converting CMOS RAMs into nonvolatile memories
  • unconditionally write protecting when VCC is out-of-tolerance
  • automatically switching to battery when power-fail occurs
  • space-saving 8-pin PDIP or 16-pin SO packages
  • consuming <100nA of battery current
  • testing battery condition on power-up
  • providing for redundant batteries
  • optional 5% or 10% power-fail detection
  • low forward voltage drop on the VCC switch
  • and optional industrial (N) temperature range of -40°C to +85°C

Application

  • The DS1210+ is used in applications such as battery backup systems and processor reset circuits

Specifications

Controller Type Nonvolatile RAM Voltage - Supply 4.75V ~ 5.5V
Operating Temperature 0°C ~ 70°C Mounting Type Through Hole

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