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AT49F002-70JI
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AT49F002-70JI

Product Overview

Category

AT49F002-70JI 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 remains intact even when power is removed.
  • High capacity: The AT49F002-70JI has a storage capacity of 2 megabits (256 kilobytes).
  • Fast access time: It offers a fast access time of 70 nanoseconds.
  • Low power consumption: The device operates on low power, making it suitable for battery-powered applications.

Package

The AT49F002-70JI is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

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

Packaging/Quantity

The AT49F002-70JI is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

  • Memory Type: Flash EEPROM
  • Organization: 256K x 8 bits
  • Supply Voltage: 5V
  • Access Time: 70 ns
  • Operating Temperature Range: -40°C to +85°C
  • Erase/Program Cycle Endurance: 10,000 cycles

Detailed Pin Configuration

The AT49F002-70JI has a total of 32 pins. Here is the detailed pin configuration:

  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. A8
  29. A9
  30. A11
  31. A13
  32. A15

Functional Features

  • Easy interface: The AT49F002-70JI supports a standard parallel interface, making it compatible with various systems.
  • Sector erase capability: It allows for erasing data in sectors, enabling efficient memory management.
  • Programming flexibility: The device supports both byte and word programming modes, providing flexibility in data storage.

Advantages and Disadvantages

Advantages

  • Non-volatile storage ensures data retention even during power loss.
  • High storage capacity suitable for a wide range of applications.
  • Fast access time allows for quick data retrieval.
  • Low power consumption extends battery life in portable devices.

Disadvantages

  • Limited erase/program cycle endurance compared to some other non-volatile memory technologies.
  • Relatively higher cost per bit compared to certain alternative memory options.

Working Principles

The AT49F002-70JI utilizes flash EEPROM technology to store data. It consists of a grid of memory cells that can be electrically programmed and erased. The stored data is retained even when the power supply is disconnected. The device uses a combination of voltage levels and control signals to perform read, write, and erase operations.

Detailed Application Field Plans

The AT49F002-70JI finds application 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

Some alternative models to the AT49F002-70JI include: - AT49F001-70JI: 1 megabit flash EEPROM with similar specifications. - AT49F004-90JI: 4 megabit flash EEPROM with higher storage capacity and slower access time.

Note: This is not an exhaustive list, and there may be other alternative models available in the market.

Word count: 497 words

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van AT49F002-70JI in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of AT49F002-70JI in technical solutions:

  1. Q: What is the AT49F002-70JI? A: The AT49F002-70JI is a 2-megabit (256K x 8) CMOS flash memory chip manufactured by Atmel.

  2. Q: What are the key features of the AT49F002-70JI? A: The key features include a 70ns access time, low power consumption, byte-wide data access, and compatibility with various microcontrollers.

  3. Q: How can I interface the AT49F002-70JI with a microcontroller? A: The AT49F002-70JI 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 AT49F002-70JI support? A: The AT49F002-70JI operates at a single power supply voltage of 5V.

  5. Q: Can I use the AT49F002-70JI in battery-powered applications? A: Yes, the AT49F002-70JI has low power consumption, making it suitable for battery-powered devices.

  6. Q: How much data can the AT49F002-70JI store? A: The AT49F002-70JI has a capacity of 2 megabits, which is equivalent to 256 kilobytes.

  7. Q: Is the AT49F002-70JI erasable and programmable? A: Yes, the AT49F002-70JI supports both erasing and programming operations, allowing you to modify its contents.

  8. Q: What is the erase and program cycle endurance of the AT49F002-70JI? A: The AT49F002-70JI can endure a minimum of 10,000 erase/program cycles, ensuring reliable operation.

  9. Q: Can I use the AT49F002-70JI in industrial temperature environments? A: Yes, the AT49F002-70JI is designed to operate reliably in a wide temperature range, including industrial temperature conditions.

  10. Q: Are there any application notes or reference designs available for the AT49F002-70JI? A: Yes, Atmel provides application notes and reference designs that can help you integrate the AT49F002-70JI into your technical solutions effectively.

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