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AT45DB041E-SHN2B-T
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AT45DB041E-SHN2B-T

Introduction

The AT45DB041E-SHN2B-T belongs to the category of serial interface DataFlash memories. This device is commonly used for data storage in various electronic applications due to its reliable performance and versatile features.

Basic Information Overview

  • Category: Serial Interface DataFlash Memory
  • Use: Data storage in electronic devices
  • Characteristics: High-speed, low-power consumption, small form factor
  • Package: 8-lead SOIC, 8-ball WLCSP
  • Essence: Non-volatile memory for data storage
  • Packaging/Quantity: Tape and Reel (3000 units per reel)

Specifications

  • Memory Size: 4 megabits
  • Interface: SPI (Serial Peripheral Interface)
  • Operating Voltage: 2.7V - 3.6V
  • Operating Temperature: -40°C to 85°C
  • Data Retention: 20 years
  • Page Size: 528 bytes
  • Block Erase Time: 18ms (typical)

Detailed Pin Configuration

The AT45DB041E-SHN2B-T has a standard 8-pin configuration: 1. /CS (Chip Select) 2. SI (Serial Input) 3. SO (Serial Output) 4. SCK (Serial Clock) 5. /WP (Write Protect) 6. VCC (Power Supply) 7. GND (Ground) 8. /RESET (Reset)

Functional Features

  • High-Speed Performance: Enables fast data transfer and access.
  • Low-Power Consumption: Ideal for battery-powered devices.
  • Flexible Interface: SPI interface allows easy integration with microcontrollers.
  • Reliable Data Retention: Ensures long-term storage of critical information.

Advantages and Disadvantages

Advantages

  • Compact form factor
  • Low power consumption
  • High-speed data transfer
  • Reliable data retention

Disadvantages

  • Limited storage capacity compared to larger memory modules
  • Higher cost per bit compared to higher capacity alternatives

Working Principles

The AT45DB041E-SHN2B-T utilizes the Serial Peripheral Interface (SPI) to communicate with the host microcontroller. It stores and retrieves data through a series of commands sent over the SPI bus. The non-volatile nature of the memory ensures that stored data is retained even when power is removed.

Detailed Application Field Plans

The AT45DB041E-SHN2B-T is widely used in various applications including: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

Some alternative models to the AT45DB041E-SHN2B-T include: - AT25DF041A - W25Q32JV - MX25L4006E

In summary, the AT45DB041E-SHN2B-T is a reliable and efficient serial interface DataFlash memory suitable for a wide range of electronic applications.

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10個與AT45DB041E-SHN2B-T在技術方案中應用相關的常見問題與解答

  1. What is the AT45DB041E-SHN2B-T?

    • The AT45DB041E-SHN2B-T is a 4-megabit serial interface flash memory, commonly used in embedded systems and IoT devices.

  2. What are the key features of the AT45DB041E-SHN2B-T?

    • It features a high-speed SPI interface, low power consumption, and a flexible erase architecture, making it suitable for various applications.

  3. What voltage levels does the AT45DB041E-SHN2B-T support?

    • It supports both 1.65V to 3.6V and 2.7V to 3.6V voltage ranges, providing flexibility in different system designs.

  4. How can the AT45DB041E-SHN2B-T be interfaced with a microcontroller?

    • It can be interfaced using the Serial Peripheral Interface (SPI) protocol, which is widely supported by microcontrollers.

  5. What are some typical applications of the AT45DB041E-SHN2B-T?

    • It is commonly used in data storage for industrial automation, consumer electronics, automotive systems, and IoT devices.

  6. What is the maximum data transfer rate of the AT45DB041E-SHN2B-T?

    • It supports a maximum clock frequency of 85 MHz, enabling fast data transfer in high-performance applications.

  7. Does the AT45DB041E-SHN2B-T support wear leveling and data retention?

    • Yes, it includes built-in wear leveling algorithms and offers long-term data retention, making it suitable for reliable data storage.

  8. Can the AT45DB041E-SHN2B-T operate in harsh environmental conditions?

    • Yes, it has a wide operating temperature range and is designed to withstand industrial and automotive environments.

  9. What tools are available for programming the AT45DB041E-SHN2B-T?

    • Various development tools and software libraries are available from the manufacturer to facilitate programming and integration into systems.

  10. Are there any known compatibility issues with popular microcontrollers or development platforms?

    • The AT45DB041E-SHN2B-T is widely compatible with popular microcontrollers and development platforms that support the SPI interface, making it easy to integrate into technical solutions.