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AT49F002-55VI

AT49F002-55VI

Product Overview

Category

AT49F002-55VI belongs to the category of non-volatile memory devices.

Use

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

Characteristics

  • Non-volatile: Retains data even when power is turned off.
  • High storage capacity: 2 megabits (256 kilobytes).
  • Fast access time: 55 nanoseconds.
  • Low power consumption.
  • Reliable and durable.

Package

AT49F002-55VI is available in a standard 32-pin plastic DIP (Dual In-line Package).

Essence

The essence of AT49F002-55VI lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

AT49F002-55VI is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

  • Memory Type: Flash EEPROM
  • Organization: 256K x 8 bits
  • Supply Voltage: 4.5V - 5.5V
  • 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. NC
  26. NC
  27. NC
  28. VCC
  29. A14
  30. A13
  31. A8
  32. A9

Functional Features

  • Easy to interface with microcontrollers and other digital systems.
  • High-speed data transfer.
  • Supports both read and write operations.
  • Built-in hardware and software protection mechanisms.
  • Low power consumption during standby mode.

Advantages

  • Non-volatile memory ensures data retention even in the absence of power.
  • Fast access time allows for quick retrieval of stored information.
  • High storage capacity accommodates a large amount of data.
  • Reliable and durable, suitable for various applications.
  • Low power consumption helps conserve energy.

Disadvantages

  • Limited erase/write cycle endurance compared to some other memory technologies.
  • Relatively higher cost per bit compared to certain alternatives.
  • Requires careful handling to prevent damage from electrostatic discharge.

Working Principles

AT49F002-55VI utilizes flash EEPROM technology to store data. It consists of a grid of memory cells, each capable of holding one bit of information. The data is stored by trapping electric charges within the floating gate of each cell. These charges determine whether the cell represents a "0" or a "1". To read or modify the data, specific voltage levels are applied to the control pins of the device.

Detailed Application Field Plans

AT49F002-55VI 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

Some alternative models that offer similar functionality to AT49F002-55VI include: - AT49BV002T: Similar specifications with additional features like burst mode and sector protection. - SST39SF020A: Comparable storage capacity with faster access time and higher erase/write cycle endurance. - MX29LV320T: Higher storage capacity with similar access time and erase/write cycle endurance.

In conclusion, AT49F002-55VI is a non-volatile memory device that provides reliable and high-capacity storage for electronic systems. Its fast access time, low power consumption, and durability make it suitable for various applications. However, it has limitations in terms of erase/write cycle endurance and cost per bit. Alternative models offer different features and specifications to cater to specific requirements.

技術ソリューションにおける AT49F002-55VI 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 AT49F002-55VI in technical solutions:

  1. Q: What is the AT49F002-55VI? A: The AT49F002-55VI is a 2-megabit (256K x 8) CMOS flash memory chip manufactured by Atmel.

  2. Q: What are the key features of the AT49F002-55VI? A: The key features include a 55ns access time, low power consumption, byte-wide data access, and compatibility with various microcontrollers.

  3. Q: How can I interface the AT49F002-55VI with a microcontroller? A: The AT49F002-55VI 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 AT49F002-55VI as a program memory for my microcontroller? A: Yes, the AT49F002-55VI can be used as a program memory for microcontrollers that support external flash memory.

  5. Q: What voltage levels does the AT49F002-55VI support? A: The AT49F002-55VI supports a single power supply voltage range of 4.5V to 5.5V.

  6. Q: Is the AT49F002-55VI suitable for high-speed applications? A: Yes, the AT49F002-55VI has a fast access time of 55ns, making it suitable for high-speed applications.

  7. Q: Can I erase and reprogram the AT49F002-55VI multiple times? A: Yes, the AT49F002-55VI supports in-system programming and can be erased and reprogrammed multiple times.

  8. Q: What is the maximum data retention period of the AT49F002-55VI? A: The AT49F002-55VI has a minimum data retention period of 10 years.

  9. Q: Can I use the AT49F002-55VI in automotive applications? A: Yes, the AT49F002-55VI is designed to meet automotive industry requirements and can be used in automotive applications.

  10. Q: Where can I find more information about the AT49F002-55VI? A: You can refer to the datasheet provided by Atmel or visit their official website for detailed information about the AT49F002-55VI.

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