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DS1345W

DS1345W Manufacturer

Maxim

DS1345W Description

3.3V 1024K Nonvolatile SRAM

DS1345W Categories

128Kx8 Nonvolatile SRAM

DS1345W Datasheet (PDF)

DS1345W Datasheet

DS1345W Price & Availability


Check DS1345W Price & Availability at Canics

DS1345W Features

  • 10 years minimum data retention in the absence of external power
  • Data is automatically protected during power loss
  • Power supply monitor resets processor when VCCpower loss occurs and holds processor in reset during VCCramp-up
  • Battery monitor checks remaining capacity daily
  • Read and write access times as fast as 100ns
  • Unlimited write cycle endurance
  • Typical standby current 50µA
  • Upgrade for 128k x 8 SRAM, EEPROM or Flash
  • Lithium battery is electrically disconnected to retain freshness until power is applied for the first time
  • Optional industrial temperature range of -40°C to +85°C, designated IND
  • PowerCap Module (PCM) package
    Directly surface-mountable module
    Replaceable snap-on PowerCap provides lithium backup battery
    Standardized pinout for all nonvolatile SRAM products
    Detachment feature on PowerCap allows easy removal using a regular screwdriver

DS1345W Parameters

Package34/PwrCap
Memory TypeNV SRAM
Supply Voltage (V)3.0 to 3.6
Memory Size128K x 8
Op. Range (°C)-40 to +85
Op. Range (°C)0 to +70
Bus TypeParallel
PowerCap PackageYes
Battery MonitorYes
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DS1345W Circuit DS1345W Reference DS1345W PDF DS1345W RoHS