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
AT25x, AT25DF
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
| Attributes | Value |
|---|---|
| Memory Class | Ultra-Low Energy |
| Memory Density | 2 |
| Operating Voltage Range (V) | 1.65 - 3.6 |
| Speed | 85 MHz |
| Interface | Single, Dual, Quad SPI |
| Temp. Range (°C) | -40 to +85°C |
| Deep Power Down (µA) | 0.1 |
| Read Current (mA) | 1.2 |
| Key Benefit | 90% energy savings |
Application Block Diagrams
 | Automatic Pet Door & Tracking System Smart pet door with tag system for automatic entry and lost-pet tracking via proximity detection. |
 | Health Monitoring Medical Patch Compact medical patch with continuous health monitoring and location tracking for patient safety. |
 | 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 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
Complete Your Design
Explore complementary products to elevate your design
Loading
Filters
Simulation Models
Partner Solutions
- Model - IBIS
- Model - Verilog
Development ToolµISP is a compact standalone and universal solution, specifically designed for production environments, based on Algocrafts WriteNow! Technology. This is a standard tool for many families and devices and supports multi programming protocol (JTAG, SPI, UART, DAP, SWD, I2C, BDM, custom protocol, etc).Provided By: Algocraft Srl- Development ToolWriteNow! Series of In-System Programmers is a breakthrough in the programming industry. The programmers support a large number of devices (microcontrollers, memories, CPLDs and other programmable devices) from various manufacturers and have a compact size for easy ATE/fixture integration. They work in standalone or connected to a ...Provided By: Algocraft Srl
No Results Found.
Check Spelling
Make sure all keywords are spelled correctly.
Make sure all keywords are spelled correctly.
Adjust Keywords
Try fewer, different, or more general terms to vary your search.
Try fewer, different, or more general terms to vary your search.
Review Filters
If you have filters applied, consider deselecting some to broaden your results.
If you have filters applied, consider deselecting some to broaden your results.
Need help?
- Search our extensive knowledgebase, designed to help customers with their FAQs.
- Get help from our expert Renesas technical staff and community on our support forums.
No Results Found.
Check Spelling
Make sure all keywords are spelled correctly.
Make sure all keywords are spelled correctly.
Adjust Keywords
Try fewer, different, or more general terms to vary your search.
Try fewer, different, or more general terms to vary your search.
Review Filters
If you have filters applied, consider deselecting some to broaden your results.
If you have filters applied, consider deselecting some to broaden your results.
Need help?
- Search our extensive knowledgebase, designed to help customers with their FAQs.
- Get help from our expert Renesas technical staff and community on our support forums.
No Results Found.
Check Spelling
Make sure all keywords are spelled correctly.
Make sure all keywords are spelled correctly.
Adjust Keywords
Try fewer, different, or more general terms to vary your search.
Try fewer, different, or more general terms to vary your search.
Review Filters
If you have filters applied, consider deselecting some to broaden your results.
If you have filters applied, consider deselecting some to broaden your results.
Need help?
- Search our extensive knowledgebase, designed to help customers with their FAQs.
- Get help from our expert Renesas technical staff and community on our support forums.
- Model - IBIS
- Model - Verilog
Simulation Models (2)
- Development ToolµISP is a compact standalone and universal solution, specifically designed for production environments, based on Algocrafts WriteNow! Technology. This is a standard tool for many families and devices and supports multi programming protocol (JTAG, SPI, UART, DAP, SWD, I2C, BDM, custom protocol, etc).Provided By: Algocraft Srl
- Development ToolWriteNow! Series of In-System Programmers is a breakthrough in the programming industry. The programmers support a large number of devices (microcontrollers, memories, CPLDs and other programmable devices) from various manufacturers and have a compact size for easy ATE/fixture integration. They work in standalone or connected to a ...Provided By: Algocraft Srl
Partner Solutions (2)
Support Communities
-
AT25EU0021A spi flash issue
Title: DA14531 J-Link/SmartSnippets connection lost after SPI flash integration Using DA14531 with external SPI flash (SDK6). RTC + temperature code works independently.SPI flash logger also works independently.(face some damage issues in spi flash AT25EU0021A) After integrating both, the device frequently becomes unreachable after programming SPI flash ...
May 8, 2026 -
AT25EU0021A-MAHN 2-Mbit, 1.65V – 4.4V Range - VCC Voltage Ripple requirement
We are using FLASH AT25EU0021A-MAHN 2-Mbit, 1.65V – 4.4V Range in our Dragonfly LoRa TAG. Please advise what is the VCC ripple requirements. We are having 50mV ripple , please advise if there can be any issue with this ripple. Currently all the testing are ok, but we ...
Dec 28, 2023 -
DA14531 (WLCSP17) Cannot flash external SPI (or read OTP) - Failed clearing memory address 7FC3C08. Failed configuring SPI ports and pins.QuestionContext
Question How can we let SmartSnippets Toolbox turn off HW_RESET, or otherwise customize the jtag_programmer.bin ? Context We have been able to run our firmware (based on the ble_app_example, for SDK version: 6.0.14.1114) using Keil - so we know we can program the RAM ...
Mar 21, 2023
Support Communities
Get quick technical support online from Renesas Engineering Community technical staff.
Knowledge Base
Browse our knowledge base for helpful articles, FAQs, and other useful resources.
