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AT25DF256-XMHN-T
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AT25DF256-XMHN-T

Product Overview

Category

The AT25DF256-XMHN-T belongs to the category of Serial Flash Memory.

Use

It is used for storing program code, configuration settings, and other data in a wide range of electronic devices such as IoT devices, consumer electronics, automotive systems, and industrial applications.

Characteristics

  • High-speed read operations
  • Low-power consumption
  • Wide operating voltage range
  • Small form factor
  • Reliable data retention

Package

The AT25DF256-XMHN-T is available in a compact 8-pin SOIC package.

Essence

This flash memory device is essential for enabling non-volatile storage in various electronic systems.

Packaging/Quantity

It is typically supplied in reels with a specific quantity per reel, as per customer requirements.

Specifications

  • Capacity: 256Mb
  • Interface: SPI (Serial Peripheral Interface)
  • Operating Voltage: 2.7V - 3.6V
  • Maximum Clock Frequency: 108MHz
  • Operating Temperature Range: -40°C to 85°C
  • Data Retention: 20 years
  • Erase/Program Cycle Endurance: 100,000 cycles

Detailed Pin Configuration

  1. /CS (Chip Select)
  2. DI (Data Input)
  3. DO (Data Output)
  4. SCK (Serial Clock)
  5. /WP (Write Protect)
  6. /RESET (Reset)
  7. VCC (Power Supply)
  8. GND (Ground)

Functional Features

  • Sector erase capability
  • Flexible programming options
  • Status register for monitoring operations
  • Software and hardware protection features

Advantages and Disadvantages

Advantages

  • High-speed read operations enhance system performance
  • Low-power consumption prolongs battery life
  • Wide operating voltage range increases compatibility
  • Small form factor saves board space

Disadvantages

  • Limited capacity compared to larger flash memory devices
  • Higher cost per bit compared to traditional hard disk storage

Working Principles

The AT25DF256-XMHN-T operates by using the SPI interface to communicate with the host microcontroller. It stores data in non-volatile memory cells, allowing for reliable data retention even when power is removed. The device supports various operations such as reading, writing, erasing, and protecting data through software or hardware commands.

Detailed Application Field Plans

The AT25DF256-XMHN-T is well-suited for use in: - IoT devices for storing firmware and sensor data - Consumer electronics for program storage and firmware updates - Automotive systems for storing configuration settings and event logs - Industrial applications for program storage and data logging

Detailed and Complete Alternative Models

Some alternative models to the AT25DF256-XMHN-T include: - W25Q256JVSIQ (256Mb Serial Flash Memory) - S25FL256SAGMFIR01 (256Mb SPI Flash Memory) - MX25L25635FMI-10G (256Mb Serial NOR Flash)

In conclusion, the AT25DF256-XMHN-T is a versatile and reliable serial flash memory device that offers high-speed performance, low-power consumption, and a compact form factor, making it suitable for a wide range of electronic applications.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von AT25DF256-XMHN-T in technischen Lösungen auf

  1. What is the AT25DF256-XMHN-T?

    • The AT25DF256-XMHN-T is a 32-megabit (4M x 8/2M x 16) serial flash memory, featuring a rapid read operation, low power consumption, and flexible erase capabilities.

  2. What are the typical applications of AT25DF256-XMHN-T?

    • It is commonly used in applications such as automotive, industrial, networking, and consumer electronics for storing program code, configuration parameters, and other data.

  3. What is the operating voltage range of AT25DF256-XMHN-T?

    • The operating voltage range is from 2.7V to 3.6V, making it suitable for a wide variety of electronic devices.

  4. How fast is the read operation of AT25DF256-XMHN-T?

    • The device supports rapid read operations with a clock frequency of up to 108 MHz, enabling quick access to stored data.

  5. Can AT25DF256-XMHN-T be used for over-the-air (OTA) firmware updates?

    • Yes, it can be used for OTA firmware updates in IoT devices and other connected systems, providing a reliable method for updating software remotely.

  6. What are the available package options for AT25DF256-XMHN-T?

    • The device is available in various package options, including SOIC, PDIP, and WSON, offering flexibility for different design requirements.

  7. Does AT25DF256-XMHN-T support software protection features?

    • Yes, it offers software protection features such as block protection and sector lockdown to prevent unauthorized access or modification of stored data.

  8. Is AT25DF256-XMHN-T compatible with standard SPI interfaces?

    • Yes, it is compatible with standard SPI interfaces, allowing for easy integration into existing designs and systems.

  9. What is the temperature range for operation of AT25DF256-XMHN-T?

    • The device is designed to operate within a wide temperature range, typically from -40°C to 85°C, making it suitable for harsh environments.

  10. Are there any known reliability issues with AT25DF256-XMHN-T?

    • The AT25DF256-XMHN-T has a proven track record of reliability and endurance, meeting industry standards for quality and performance.