The AT25EU001A is the lowest energy member of our System Enhancing class of code and data storage solutions designed for all system memory tasks including boot/code shadowing and small byte load updates. It is universally compatible and combines low power with faster Read performance to save more than 70% energy.


  • Universally compatible pin out and command set
  • 60x faster Erase operation
  • Optimized for fast Read and lowest energy usage.
  • Low Sleep power for bootloader tasks
  • Continuous read, wrap and burst modes for XiP
  • Standard block architecture with added 256-byte page erase for energy efficient Data Logging
  • Eliminate MCU poling and reduce overhead with auto-alert Active Interrupt




  • Small coin cell applications
    • Low-power Read
    • Low-energy Fast Erase
  • Boot/Code shadow memory
    • Fast low-power Read
    • 100nA Deep Power Down
  • Simple event/data logging applications
    • Fast Erase
    • Page Erase
    • Low-energy Erase and Program


Design & Development


Ultra-low Energy Flash Memory with Fast Erase

The AT25EU family of serial NOR Flash devices from Renesas focus on achieving the lowest power and the fastest operation to achieve the lowest energy. The result is radically more energy-efficient solution for code storage, event logging, and data logging applications.