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DS1345AB

DS1345AB Manufacturer

Maxim

DS1345AB Description

1024k Nonvolatile SRAM with Battery Monitor

DS1345AB Categories

128Kx8 Nonvolatile SRAM

DS1345AB Datasheet (PDF)

DS1345AB Datasheet

DS1345AB Price & Availability


Check DS1345AB Price & Availability at Canics

DS1345AB 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 70ns
  • 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
  • Full ±10% VCCoperating range (DS1345Y) or optional ±5% VCCoperating range (DS1345AB)
  • 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 NV SRAM products
    Detachment feature on PowerCap allows easy removal using a regular screwdriver

DS1345AB Parameters

Package34/PwrCap
Memory TypeNV SRAM
Supply Voltage (V)4.75 to 5.25
Memory Size128K x 8
Op. Range (°C)-40 to +85
Op. Range (°C)0 to +70
Bus TypeParallel
PowerCap PackageYes
Battery MonitorYes
Select parameters and click to see components with these parameters.

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DS1345Y

 
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