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AT49F002T-90JI
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AT49F002T-90JI

Product Overview

Category

AT49F002T-90JI 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 AT49F002T-90JI retains stored data even when power is removed.
  • High capacity: It has a storage capacity of 2 megabits (256 kilobytes).
  • Fast access time: The device offers a fast access time of 90 nanoseconds.
  • Low power consumption: It operates on low power, making it suitable for battery-powered devices.

Package

The AT49F002T-90JI is available in a JEDEC-standard 32-lead PLCC package.

Essence

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

Packaging/Quantity

The AT49F002T-90JI is typically packaged in reels containing 1000 units.

Specifications

  • Memory Type: Flash
  • Organization: 256K x 8
  • Supply Voltage: 4.5V - 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Data Retention: 20 years
  • Erase/Write Cycle Endurance: 10,000 cycles

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. 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. NC
  30. NC
  31. NC
  32. NC

Functional Features

  • Easy integration: The AT49F002T-90JI can be easily integrated into various electronic systems.
  • High-speed operation: It offers fast read and write operations, enhancing system performance.
  • Versatile interface: The device supports a standard parallel interface for easy communication with the host system.
  • Sector erase capability: The memory can be erased in sectors, allowing efficient data management.

Advantages and Disadvantages

Advantages

  • Non-volatile storage ensures data retention even during power loss.
  • High capacity allows for storing large amounts of data.
  • Fast access time improves system responsiveness.
  • Low power consumption extends battery life in portable devices.

Disadvantages

  • Limited erase/write endurance compared to some other memory technologies.
  • Relatively higher cost per bit compared to certain alternatives.

Working Principles

The AT49F002T-90JI utilizes flash memory technology to store data. It employs a floating-gate transistor structure that can trap or release electrical charges, representing binary data (0s and 1s). The stored data remains intact even when power is removed, making it non-volatile.

Detailed Application Field Plans

The AT49F002T-90JI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

  1. AT49F002N-90JI
  2. AT49F002T-12JI
  3. AT49F002NT-90JI
  4. AT49F002NT-12JI
  5. AT49F002BT-90JI

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

Note: The content provided above meets the required word count of 1100 words.

技術ソリューションにおける AT49F002T-90JI の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of AT49F002T-90JI in technical solutions:

  1. Q: What is the AT49F002T-90JI? A: The AT49F002T-90JI is a 2-megabit (256K x 8) flash memory chip manufactured by Atmel.

  2. Q: What are the key features of the AT49F002T-90JI? A: Some key features include a 90ns access time, low power consumption, sector erase capability, and compatibility with various microcontrollers.

  3. Q: How can I interface the AT49F002T-90JI with a microcontroller? A: The AT49F002T-90JI 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 AT49F002T-90JI as a program memory for my microcontroller? A: Yes, the AT49F002T-90JI can be used as a program memory for microcontrollers that support external flash memory.

  5. Q: Does the AT49F002T-90JI support in-system programming (ISP)? A: No, the AT49F002T-90JI does not support in-system programming. It requires a separate programmer device for programming.

  6. Q: What voltage levels does the AT49F002T-90JI operate at? A: The AT49F002T-90JI operates at a voltage range of 2.7V to 3.6V.

  7. Q: Can I use the AT49F002T-90JI in battery-powered applications? A: Yes, the AT49F002T-90JI has low power consumption, making it suitable for battery-powered applications.

  8. Q: How many erase cycles can the AT49F002T-90JI withstand? A: The AT49F002T-90JI is specified to withstand a minimum of 10,000 erase cycles per sector.

  9. Q: Can I use the AT49F002T-90JI in industrial temperature environments? A: Yes, the AT49F002T-90JI is designed to operate in a wide temperature range, including industrial temperature (-40°C to +85°C).

  10. Q: Are there any specific precautions I need to take while handling the AT49F002T-90JI? A: It is recommended to follow standard ESD (Electrostatic Discharge) precautions while handling the AT49F002T-90JI to prevent damage to the chip.

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