DS1258AB
DS1258AB Description
128k x 16 Nonvolatile SRAM
DS1258AB Vendor
Maxim
DS1258AB Categories
DS1258AB Features
  • 10-Year Minimum Data Retention in the Absence of External Power
  • Data is Automatically Protected During a Power Loss
  • Separate Upper Byte and Lower Byte Chip-Select Inputs
  • Unlimited Write Cycles
  • Low-Power CMOS
  • Read and Write Access Times as Fast as 70ns
  • Lithium Energy Source is Electrically Disconnected to Retain Freshness Until Power is Applied for the First Time
  • Full ±10% Operating Range (DS1258Y)
  • Optional ±5% Operating Range (DS1258AB)
  • Optional Industrial Temperature Range of -40°C to +85°C, Designated IND
  • DS1258AB Datasheet and Application Notes
    ParameterValue
    Memory TypeNV SRAM
    Memory Size128k x 16
    Bus TypeParallel
    Supply Voltage (V)4.75 to 5.25
    DIP with Internal BatteryYes
    Op. Range (°C)-40 to +85
    Op. Range (°C)0 to +70
    Package40/EDIP.74
    Products related to DS1258AB
    DS1258Y   

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