Advanced NV SRAM Battery Cap

Please check latest availability status for a specific part variant.


The DS3800 is a secondary lithium power source designed to conveniently snap-on over a 40mm Ball Grid Array (BGA) nonvolatile memory module. Its durable attachment flanges prevent misalignment and maintain mechanical and electrical connection with the module throughout shocks and stresses during and after manufacturing processes.
DS3800: Pin Assignment DS3800: Pin Assignment Enlarge+

Key Features

  • Housing for 400mAh primary lithium battery
  • Snap-on over surface-mount BGA SRAM module
  • Four attachment flanges
  • Battery characteristics
    • 3V nominal
    • 400mAh nom capacity
    • Li(CF)x
    • 8 years data retention (@25°C)
  • Operating range:
    • -40°C to +85°C
Request Reliability Report for: DS3800 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

Quality Management System >
Environmental Management System >


Related Resources

±5ppm, I2C Real-Time Clock with Integrated MEMS Oscillator

  • Highly Accurate RTC with Integrated MEMS Resonator Completely Manages All Timekeeping Functions
  • 64-Byte RAM for User Data Storage
  • Simple Serial Interface Connects to Most Microcontrollers