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AT49F002AN-55VI
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AT49F002AN-55VI

Product Overview

Category

AT49F002AN-55VI belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving data in electronic systems.

Characteristics

  • Non-volatile: The stored data is retained even when power is removed.
  • High storage capacity: The AT49F002AN-55VI has a storage capacity of 2 megabits (256 kilobytes).
  • Fast access time: It provides quick access to stored data with a typical access time of 55 nanoseconds.
  • Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.

Package

The AT49F002AN-55VI is available in a 32-pin PDIP (Plastic Dual In-line Package) form factor.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The AT49F002AN-55VI is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

  • Supply voltage: 5V ±10%
  • Operating temperature range: -40°C to +85°C
  • Input/output voltage compatibility: TTL, CMOS
  • Erase/program cycles: 10,000 minimum
  • Data retention: 20 years minimum

Detailed Pin Configuration

The AT49F002AN-55VI features a 32-pin configuration. The pinout is as follows:

  1. A16
  2. A14
  3. A12
  4. A7
  5. A6
  6. A5
  7. A4
  8. A3
  9. A2
  10. A1
  11. A0
  12. VPP
  13. WE#
  14. OE#
  15. CE#
  16. BYTE#
  17. NC
  18. DQ0
  19. DQ1
  20. DQ2
  21. DQ3
  22. DQ4
  23. DQ5
  24. DQ6
  25. DQ7
  26. VCC
  27. GND
  28. RP#
  29. RY/BY#
  30. RESET#
  31. A8
  32. A9

Functional Features

  • Easy integration: The AT49F002AN-55VI can be easily integrated into existing electronic systems.
  • High-speed operation: It offers fast read and write operations, enabling efficient data access.
  • Versatile interface: The device supports both TTL and CMOS voltage levels for compatibility with various systems.
  • Sector erase capability: The memory can be erased in sectors, allowing selective data modification.

Advantages and Disadvantages

Advantages

  • Non-volatile storage ensures data retention even during power loss.
  • High storage capacity accommodates large amounts of data.
  • Fast access time enables quick retrieval of stored information.
  • Low power consumption prolongs battery life in portable devices.

Disadvantages

  • Limited erase/program cycles may restrict frequent data modifications.
  • Higher cost compared to volatile memory alternatives.
  • Relatively larger physical size due to the package type.

Working Principles

The AT49F002AN-55VI utilizes Flash memory technology to store data. It employs a combination of floating-gate transistors and control circuitry to achieve non-volatile storage. When data is written, charges are trapped in the floating gates, representing the stored information. During read operations, the charges are sensed to retrieve the stored data.

Detailed Application Field Plans

The AT49F002AN-55VI finds applications in various fields, including: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the AT49F002AN-55VI include: - AT49F002NT-55VI - AT49F002NT-70VI - AT49F002NT-90VI - AT49F002NT-12JI

These models offer similar functionality and characteristics, providing options for different application requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de AT49F002AN-55VI dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of AT49F002AN-55VI in technical solutions:

  1. Q: What is the AT49F002AN-55VI? A: The AT49F002AN-55VI is a 2-megabit (256K x 8) CMOS flash memory chip manufactured by Atmel.

  2. Q: What are the key features of the AT49F002AN-55VI? A: Some key features include a 55ns access time, low power consumption, sector erase capability, and compatibility with various microcontrollers.

  3. Q: How can I interface the AT49F002AN-55VI with a microcontroller? A: The AT49F002AN-55VI uses a standard parallel interface, making it compatible with most microcontrollers. You can connect it using address, data, and control lines.

  4. Q: Can I use the AT49F002AN-55VI as a boot device for my microcontroller? A: Yes, the AT49F002AN-55VI can be used as a boot device. It supports both parallel and serial boot modes, allowing you to load your program code during system startup.

  5. Q: What voltage levels does the AT49F002AN-55VI support? A: The AT49F002AN-55VI operates at a single power supply voltage of 5V.

  6. Q: How do I erase the memory contents of the AT49F002AN-55VI? A: The AT49F002AN-55VI supports sector erase operations. You can erase specific sectors of the memory using appropriate commands.

  7. Q: Can I write data to the AT49F002AN-55VI multiple times? A: Yes, the AT49F002AN-55VI supports both byte and sector programming. You can write data to individual bytes or entire sectors multiple times.

  8. Q: What is the typical endurance of the AT49F002AN-55VI? A: The AT49F002AN-55VI has a typical endurance of 100,000 program/erase cycles per sector.

  9. Q: Is the AT49F002AN-55VI suitable for high-reliability applications? A: Yes, the AT49F002AN-55VI is designed for high-reliability applications. It offers robust data retention and reliability features.

  10. Q: Where can I find more information about the AT49F002AN-55VI? A: You can refer to the datasheet provided by Atmel for detailed technical specifications and application notes related to the AT49F002AN-55VI.

Please note that the answers provided here are general and may vary depending on specific use cases and requirements.