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AT49F002-90JC
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AT49F002-90JC

Product Overview

Category

AT49F002-90JC belongs to the category of Flash Memory.

Use

It is primarily used for data storage and retrieval in electronic devices.

Characteristics

  • Non-volatile memory
  • High-speed read and write operations
  • Low power consumption
  • Reliable and durable
  • Wide temperature range operation

Package

AT49F002-90JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT49F002-90JC lies in its ability to provide reliable and high-speed data storage in various electronic applications.

Packaging/Quantity

AT49F002-90JC is typically packaged in reels, with each reel containing a quantity of 250 units.

Specifications

  • Memory Size: 2 Megabits (256K x 8)
  • Operating Voltage: 4.5V - 5.5V
  • Access Time: 90 nanoseconds
  • Erase/Program Cycle Endurance: 10,000 cycles
  • Data Retention: 20 years
  • Interface: Parallel

Detailed Pin Configuration

  1. A16
  2. A15
  3. A12
  4. A7
  5. A6
  6. A5
  7. A4
  8. A3
  9. A2
  10. A1
  11. A0
  12. VPP
  13. BYTE#
  14. OE#
  15. CE#
  16. WE#
  17. I/O0
  18. I/O1
  19. I/O2
  20. I/O3
  21. I/O4
  22. I/O5
  23. I/O6
  24. I/O7
  25. GND
  26. NC
  27. NC
  28. NC
  29. VCC
  30. A14
  31. A13
  32. A8

Functional Features

  • High-speed read and write operations enable quick data access.
  • Low power consumption ensures efficient energy usage.
  • Non-volatile memory retains data even when power is disconnected.
  • Wide temperature range operation allows for use in various environments.

Advantages

  • Reliable and durable, ensuring data integrity.
  • High-speed operations enhance overall system performance.
  • Low power consumption prolongs battery life in portable devices.
  • Wide temperature range operation enables usage in extreme conditions.

Disadvantages

  • Limited storage capacity compared to higher-capacity flash memory options.
  • Higher cost per unit compared to some other memory technologies.
  • Erase/program cycle endurance may be lower than certain alternative models.

Working Principles

AT49F002-90JC utilizes a floating gate transistor technology to store and retrieve data. It employs a parallel interface for communication with the host device. The memory cells are organized into a matrix, allowing for efficient read and write operations.

Detailed Application Field Plans

AT49F002-90JC finds applications in various electronic devices, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

  1. AT49F002N-90JC
  2. AT49F002T-90JC
  3. AT49F002NT-90JC
  4. AT49F002BT-90JC
  5. AT49F002AN-90JC

These alternative models offer similar specifications and functionality to AT49F002-90JC, providing flexibility in choosing the most suitable option for specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT49F002-90JC en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of AT49F002-90JC in technical solutions:

  1. Q: What is the AT49F002-90JC? A: The AT49F002-90JC is a 2-megabit (256K x 8) CMOS flash memory chip manufactured by Atmel.

  2. Q: What are the key features of the AT49F002-90JC? A: The key features include a 90ns access time, low power consumption, byte-wide data access, and compatibility with various microcontrollers.

  3. Q: How can I interface the AT49F002-90JC with a microcontroller? A: The AT49F002-90JC uses a standard parallel interface, making it compatible with most microcontrollers. You can connect it using address, data, and control lines.

  4. Q: What voltage levels does the AT49F002-90JC support? A: The AT49F002-90JC supports a single power supply voltage range of 4.5V to 5.5V.

  5. Q: Can I use the AT49F002-90JC as a program memory for my microcontroller? A: Yes, the AT49F002-90JC can be used as a program memory for microcontrollers that require external non-volatile storage.

  6. Q: Is the AT49F002-90JC suitable for high-speed applications? A: Yes, the AT49F002-90JC has a fast access time of 90ns, making it suitable for high-speed applications such as data logging or firmware storage.

  7. Q: Does the AT49F002-90JC support in-system programming (ISP)? A: No, the AT49F002-90JC does not support in-system programming. It requires a separate programmer to write data into the memory.

  8. Q: Can I use the AT49F002-90JC in battery-powered devices? A: Yes, the AT49F002-90JC has low power consumption, making it suitable for battery-powered devices where power efficiency is crucial.

  9. Q: What is the maximum number of erase/write cycles supported by the AT49F002-90JC? A: The AT49F002-90JC supports a minimum of 10,000 erase/write cycles, ensuring durability and reliability.

  10. Q: Are there any specific precautions I should take when handling the AT49F002-90JC? A: Yes, it is important to follow proper electrostatic discharge (ESD) precautions when handling the AT49F002-90JC to prevent damage to the chip. Additionally, avoid exposing it to excessive heat or moisture.

Please note that these answers are general and may vary depending on the specific application and requirements.