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Features

  • 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

Description

The AT25EU0021A 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.

Parameters

AttributesValue
Memory ClassUltra-Low Energy
Memory Density2
Operating Voltage Range (V)1.65 - 3.6
Speed85 MHz
InterfaceSingle, Dual, Quad SPI
Temp. Range (°C)-40 to +85°C
Deep Power Down (µA)0.1
Read Current (mA)1.2
Key Benefit90% energy savings

Package Options

Pkg. TypePkg. Dimensions (mm)Pitch (mm)
DFN2 x 30.5
SOIC-N3.81 x 4.801.27

Application Block Diagrams

Automatic pet door and tracking system block diagram featuring Wi-Fi and Bluetooth Low Energy connectivity, versatile HMI, mixed-signal ICs, and NFC.
Automatic Pet Door & Tracking System
Smart pet door with tag system for automatic entry and lost-pet tracking via proximity detection.
The health monitoring patch interactive block diagram features NFC charging, Bluetooth connectivity, and adaptable locationing for seamless care in diverse settings.
Health Monitoring Medical Patch
Compact medical patch with continuous health monitoring and location tracking for patient safety.
Single Antenna Proximity and Tracking Tag Block Diagram
Bluetooth Low Energy Tags for Proximity and Asset Tracking
Ultra-low power Bluetooth Low Energy asset tracker tag with high-precision accuracy.
Smart Asset Tracking Label Block Diagram
Smart Asset Tracking Label
Ultra-low power Bluetooth label for real-time asset tracking with extended battery life.

Additional Applications

  • 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

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