Adesto Technologies
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AT25DN256-XMHFGP-B
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AT25DN256-XMHFGP-B

Product Overview

Category

The AT25DN256-XMHFGP-B belongs to the category of serial NOR Flash memory.

Use

It is used for storing program code and data in a wide range of electronic devices, including automotive, industrial, and consumer applications.

Characteristics

  • High-speed read operations
  • Low power consumption
  • Wide voltage operation
  • Small package size
  • High reliability

Package

The AT25DN256-XMHFGP-B is available in a compact 8-lead SOIC package.

Essence

The essence of this product lies in its ability to provide non-volatile storage with fast access times and low power consumption.

Packaging/Quantity

The AT25DN256-XMHFGP-B is typically packaged in reels and is available in various quantities depending on customer requirements.

Specifications

  • Capacity: 256Mb
  • Interface: Serial Peripheral Interface (SPI)
  • Voltage Range: 1.65V to 3.6V
  • Operating Temperature Range: -40°C to 85°C
  • Data Retention: 20 years
  • Endurance: 100,000 program/erase cycles

Detailed Pin Configuration

The AT25DN256-XMHFGP-B features the following pin configuration: 1. /CS (Chip Select) 2. SCK (Serial Clock) 3. SI (Serial Input) 4. SO (Serial Output) 5. WP (Write Protect) 6. VCC (Power Supply) 7. GND (Ground) 8. HOLD (Hold or Reset)

Functional Features

  • Fast read and program/erase operations
  • Flexible erase capability
  • Security features for data protection
  • Software and hardware write protection
  • Status register for monitoring operations

Advantages and Disadvantages

Advantages

  • High-speed read operations enable quick boot-up and application loading
  • Low power consumption prolongs battery life in portable devices
  • Wide voltage operation allows compatibility with various systems
  • Small package size saves board space in compact designs

Disadvantages

  • Limited capacity compared to other types of non-volatile memory
  • Relatively higher cost per bit compared to larger capacity storage options

Working Principles

The AT25DN256-XMHFGP-B operates by using the SPI interface to communicate with the host microcontroller. When data needs to be read or written, the host sends commands and addresses to the flash memory, which then performs the necessary operations and returns the requested data.

Detailed Application Field Plans

The AT25DN256-XMHFGP-B is well-suited for use in the following applications: - Automotive infotainment systems - Industrial control systems - Smart meters - Wearable devices - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

Some alternative models to the AT25DN256-XMHFGP-B include: - W25Q256JVSIQ (Winbond) - S25FL256SAGMFIR01 (Cypress) - MX25R25635FZUIH0 (Macronix)

In conclusion, the AT25DN256-XMHFGP-B offers high-speed, low-power non-volatile memory storage suitable for a variety of electronic applications, making it a versatile choice for designers seeking reliable data storage solutions.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням AT25DN256-XMHFGP-B у технічних рішеннях

  1. What is the AT25DN256-XMHFGP-B?

    • The AT25DN256-XMHFGP-B is a high-performance, low-power Serial NOR Flash memory device designed for use in various technical solutions.

  2. What are the key features of the AT25DN256-XMHFGP-B?

    • The key features include a 256Mb density, SPI interface, high-speed clock frequency, low power consumption, and wide voltage range operation.

  3. How can the AT25DN256-XMHFGP-B be used in IoT applications?

    • The AT25DN256-XMHFGP-B can be used to store firmware, configuration data, and code storage in IoT devices, enabling secure and reliable operation.

  4. What are the typical operating conditions for the AT25DN256-XMHFGP-B?

    • The typical operating conditions include a voltage range of 1.65V to 3.6V, industrial temperature range, and compatibility with SPI interface.

  5. Can the AT25DN256-XMHFGP-B be used in automotive applications?

    • Yes, the AT25DN256-XMHFGP-B is suitable for automotive applications due to its high reliability, wide temperature range, and AEC-Q100 qualification.

  6. How does the AT25DN256-XMHFGP-B support security in embedded systems?

    • The AT25DN256-XMHFGP-B offers hardware-based protection features such as One-Time Programmable (OTP) area, write protection, and unique ID for secure authentication.

  7. What are the advantages of using the AT25DN256-XMHFGP-B in industrial control systems?

    • The advantages include fast read/write operations, extended temperature range, long-term data retention, and robust performance in harsh industrial environments.

  8. Is the AT25DN256-XMHFGP-B compatible with standard SPI controllers?

    • Yes, the AT25DN256-XMHFGP-B is fully compatible with standard SPI controllers, making it easy to integrate into existing designs.

  9. How does the AT25DN256-XMHFGP-B support low-power applications?

    • The AT25DN256-XMHFGP-B features deep power-down mode, low standby current, and efficient program/erase operations, making it ideal for battery-powered devices.

  10. Can the AT25DN256-XMHFGP-B be used in consumer electronics products?

    • Yes, the AT25DN256-XMHFGP-B is well-suited for consumer electronics applications such as smart home devices, wearables, and portable gadgets due to its high performance and reliability.