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AT49F002N-70JI
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AT49F002N-70JI

Product Overview

Category

AT49F002N-70JI belongs to the category of non-volatile memory devices.

Use

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

Characteristics

  • Non-volatile: Retains data even when power is turned off.
  • High storage capacity: 2 megabits (256 kilobytes).
  • Fast access time: 70 nanoseconds.
  • Low power consumption.
  • Reliable and durable.

Package

AT49F002N-70JI is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT49F002N-70JI lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

It is typically packaged in reels or tubes, with a quantity of 50 units per reel/tube.

Specifications

  • Memory Type: Flash EEPROM
  • Organization: 256K x 8 bits
  • Supply Voltage: 5V
  • Operating Temperature Range: -40°C to +85°C
  • Data Retention: 10 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. OE#
  14. CE#
  15. WE#
  16. I/O0
  17. I/O1
  18. I/O2
  19. I/O3
  20. I/O4
  21. I/O5
  22. I/O6
  23. I/O7
  24. GND
  25. VCC
  26. RP#
  27. BYTE#
  28. NC
  29. NC
  30. NC
  31. NC
  32. NC

Functional Features

  • Easy integration into existing systems.
  • High-speed data transfer.
  • Flexible programming and erasing options.
  • Built-in protection mechanisms against accidental data corruption.

Advantages

  • Non-volatile nature ensures data integrity even during power outages.
  • High storage capacity allows for storing large amounts of data.
  • Fast access time enables quick retrieval of information.
  • Low power consumption prolongs battery life in portable devices.

Disadvantages

  • Limited erase/write cycle endurance compared to other memory technologies.
  • Relatively higher cost per bit compared to some alternative memory solutions.
  • Requires external programming voltage (VPP) for certain operations.

Working Principles

AT49F002N-70JI utilizes flash EEPROM technology, which combines the benefits of both electrically erasable programmable read-only memory (EEPROM) and flash memory. It stores data by trapping electrons in a floating gate, which can be erased or programmed electrically. The stored charge determines the logic state of each memory cell, allowing for non-volatile data storage.

Detailed Application Field Plans

AT49F002N-70JI 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. AT49F002NT-12JI
  2. AT49F002NT-55VI
  3. AT49F002NT-70PI
  4. AT49F002NT-90PI
  5. AT49F002NT-90VI

These alternative models offer similar functionality and characteristics to AT49F002N-70JI, with variations in operating temperature range, access time, and package type.

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 AT49F002N-70JI 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 AT49F002N-70JI in technical solutions:

  1. Q: What is the AT49F002N-70JI? A: The AT49F002N-70JI is a 2-megabit (256K x 8) CMOS flash memory chip manufactured by Atmel.

  2. Q: What are the key features of the AT49F002N-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 AT49F002N-70JI with a microcontroller? A: The AT49F002N-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 AT49F002N-70JI support? A: The AT49F002N-70JI supports a single power supply voltage range of 4.5V to 5.5V.

  5. Q: Can I use the AT49F002N-70JI as a program memory for my microcontroller? A: Yes, the AT49F002N-70JI can be used as a program memory for microcontrollers that require external non-volatile storage.

  6. Q: Is the AT49F002N-70JI suitable for high-speed applications? A: Yes, the AT49F002N-70JI has a fast access time of 70ns, making it suitable for high-speed applications such as data logging or firmware storage.

  7. Q: Can I erase and reprogram the AT49F002N-70JI multiple times? A: Yes, the AT49F002N-70JI supports in-system programming and can be erased and reprogrammed multiple times using appropriate programming algorithms.

  8. Q: What is the typical endurance of the AT49F002N-70JI? A: The AT49F002N-70JI has a typical endurance of 10,000 erase/write cycles, ensuring reliable operation over an extended period.

  9. Q: Does the AT49F002N-70JI require any external components for operation? A: No, the AT49F002N-70JI does not require any external components for basic operation. However, you may need additional circuitry for voltage regulation or level shifting, depending on your application.

  10. Q: Where can I find more information about the AT49F002N-70JI? A: You can refer to the datasheet provided by Atmel or visit their official website for detailed information about the AT49F002N-70JI, including electrical characteristics, timing diagrams, and application notes.

Please note that these answers are general and may vary based on specific requirements and use cases. It's always recommended to consult the datasheet and technical documentation for accurate information.