DS1249W

3.3V 2048kb Nonvolatile SRAM

Data Sheet (Rev. 3)
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Part Details

  • 10 years minimum data retention in the absence of external power
  • Data is automatically protected during power loss
  • Unlimited write cycles
  • Low-power CMOS operation
  • Read and write access times of 100ns
  • Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time
  • Optional industrial (IND) temperature range of -40°C to +85°C
  • JEDEC standard 32-pin DIP package
    • DS1249W
    3.3V 2048kb Nonvolatile SRAM
    DS1249W: Pin Assignment
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    Documentation

    Data Sheet 1

    Reliability Data 1

    Design Note 3

    Technical Articles 1

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    Hardware Ecosystem

    Parts Product Life Cycle Description
    Nonvolatile SRAM 5
    DS1249Y
    		RECOMMENDED FOR NEW DESIGNS 2048k Nonvolatile SRAM
    DS1249AB
    		RECOMMENDED FOR NEW DESIGNS 2048k Nonvolatile SRAM
    DS1230W
    		PRODUCTION 3.3V 256k Nonvolatile SRAM
    DS1245W
    		PRODUCTION 3.3V 1024k Nonvolatile SRAM
    DS1250W
    		PRODUCTION 3.3V 4096k Nonvolatile SRAM
    Product 2
    DS1265W
    		3.3V 8Mb Nonvolatile SRAM
    DS1270W
    		3.3V 16Mb Nonvolatile SRAM
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