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AT25DF641A-SH-T
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AT25DF641A-SH-T

Product Overview

Category

The AT25DF641A-SH-T belongs to the category of serial NOR Flash memory.

Use

It is commonly used for storing program code and data in various electronic devices such as consumer electronics, automotive systems, and industrial applications.

Characteristics

  • High-speed read operations
  • Low power consumption
  • Wide voltage operation (1.65V to 3.6V)
  • Small form factor
  • Industry-standard pinout

Package

The AT25DF641A-SH-T is available in a small 8-lead SOIC package.

Essence

This flash memory device is essential for providing non-volatile storage for critical system functions and data.

Packaging/Quantity

It is typically supplied in reels with a quantity of 2500 units per reel.

Specifications

  • Capacity: 64Mb
  • Interface: SPI
  • Operating Voltage: 1.65V to 3.6V
  • Maximum Clock Frequency: 104MHz
  • Operating Temperature Range: -40°C to 85°C
  • Data Retention: 20 years

Detailed Pin Configuration

The AT25DF641A-SH-T has an 8-pin configuration: 1. Chip Select (/CS) 2. Serial Data Input/Output (IO0) 3. Serial Data Output (IO1) 4. Serial Clock (SCK) 5. Ground (GND) 6. Power Supply (VCC) 7. Hold (/HOLD) 8. Write Protect (/WP)

Functional Features

  • Fast read and program operations
  • Flexible erase capabilities
  • Software and hardware protection features
  • Continuous read capability
  • Deep power-down mode for low-power operation

Advantages and Disadvantages

Advantages

  • High-speed read operations improve system performance
  • Low power consumption extends battery life in portable devices
  • Wide voltage operation allows for compatibility with various systems

Disadvantages

  • Limited capacity compared to other storage technologies
  • Relatively higher cost per bit compared to larger NAND flash memory

Working Principles

The AT25DF641A-SH-T operates by using the Serial Peripheral Interface (SPI) to communicate with the host microcontroller. It stores data in a non-volatile manner through a combination of floating gate transistors.

Detailed Application Field Plans

The AT25DF641A-SH-T is widely used in the following applications: - Embedded systems - Automotive infotainment systems - Industrial control systems - Networking equipment - Medical devices

Detailed and Complete Alternative Models

Some alternative models to the AT25DF641A-SH-T include: - W25Q64JVSSIM (Winbond) - S25FL064L (Cypress) - MX25L6406EM2I-12G (Macronix)

In conclusion, the AT25DF641A-SH-T is a versatile and reliable serial NOR Flash memory device that offers high-speed read operations, low power consumption, and wide voltage operation. Its compact form factor and industry-standard pinout make it suitable for a wide range of applications in various industries.

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10個與AT25DF641A-SH-T在技術方案中應用相關的常見問題與解答

  1. What is the AT25DF641A-SH-T?

    • The AT25DF641A-SH-T is a serial-interface flash memory device with 64Mb of memory capacity, commonly used in embedded systems and other electronic devices.

  2. What are the key features of AT25DF641A-SH-T?

    • The key features include a high-speed SPI interface, low power consumption, sector and block erase capability, and a wide operating voltage range.

  3. How can AT25DF641A-SH-T be integrated into technical solutions?

    • It can be integrated as a storage solution for firmware, configuration data, or other non-volatile memory requirements in various electronic devices such as IoT devices, industrial equipment, and consumer electronics.

  4. What are the typical applications of AT25DF641A-SH-T?

    • Typical applications include code storage for microcontrollers, data logging, system configuration storage, and firmware updates in various electronic products.

  5. What is the operating voltage range of AT25DF641A-SH-T?

    • The operating voltage range is typically from 2.7V to 3.6V, making it suitable for a wide range of embedded system designs.

  6. What is the maximum clock frequency supported by AT25DF641A-SH-T?

    • The maximum clock frequency supported is 104MHz, enabling high-speed data transfer in compatible systems.

  7. Does AT25DF641A-SH-T support software and hardware protection of data?

    • Yes, it supports both software and hardware protection features to prevent unauthorized access to stored data.

  8. What are the temperature specifications for AT25DF641A-SH-T?

    • The device typically operates over a temperature range of -40°C to 85°C, making it suitable for use in harsh environmental conditions.

  9. Can AT25DF641A-SH-T be used for over-the-air (OTA) firmware updates?

    • Yes, it can be used for OTA firmware updates in devices that require remote updating of their software.

  10. Are there any known compatibility issues or limitations when using AT25DF641A-SH-T in specific systems?

    • While the device is widely compatible, it's important to verify its compatibility with the specific microcontroller or system it will be interfacing with, especially regarding SPI interface timing and signal levels.