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DS1220AD
DS1220AD Description
16k Nonvolatile SRAM
DS1220AD Vendor
Maxim
DS1220AD Categories
DS1220AD Features
  • 10 years minimum data retention in the absence of external power
  • Data is automatically protected during power loss
  • Directly replaces 2k x 8 volatile static RAM or EEPROM
  • Unlimited write cycles
  • Low-power CMOS
  • JEDEC standard 24-pin DIP package
  • Read and write access times as fast as 100ns
  • Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time
  • Full ±10% VCCoperating range (DS1220AD)
  • Optional ±5% VCCoperating range (DS1220AB)
  • Optional industrial temperature range of -40°C to +85°C, designated IND
    • DS1220AD Datasheet and Application Notes
    ParameterValue
    Memory TypeNV SRAM
    Memory Size2k x 8
    Bus TypeParallel
    Supply Voltage (V)4.5 to 5.5
    DIP with Internal BatteryYes
    Op. Range (°C)-40 to +85
    Op. Range (°C)0 to +70
    Package24/EDIP.72
    Products related to DS1220AD
    DS1220AB   

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