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Overview

Description

The AT45DB321E DataFlash is a member of our System Enhancing class of code and data storage solutions designed with an advanced dual SRAM buffer architecture that makes it the most efficient memory for data logging. It also incorporates a suite of advanced features that save system power, reduce processor overhead, simplify software development, and provide comprehensive data security and integrity options.

Features

  • Includes controllable Dual R/W SRAM buffers for maximum flexibility
  • Standard block architecture with added 256-byte page erase for energy efficient Data Logging
  • Byte-write provides Serial EEPROM functionality in a Serial NOR Flash device
  • Ultra-deep power down
  • Comprehensive security and unique ID features protect the device from outside tampering

Comparison

Applications

Documentation

Design & Development

Models

ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

Diagram of ECAD Models

Models

Type Title Date
Model - IBIS ZIP 19 KB
Model - Verilog ZIP 93 KB
2 items

Product Options

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Support Communities

  1. Programming flash memory IC AT45DB321E-SHF2B-T

    Greetings to the Renesas community, I am working on interfacing the AT45DB321E-SHF2B-T flash memory chip with the RA6M1 MCU for my project. While programming through QSPI is feasible, it presents challenges in mass production scenarios. To streamline production, I explored hardware solutions such as serial flash programmers tailored ...

    Mar 31, 2025
  2. AT45DB321E-SHF-T material composition List

    PLS provide  AT45DB321E-SHF-T   material composition  List

    May 27, 2022