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AT49F002N-70VC
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AT49F002N-70VC

Product Overview

Category

AT49F002N-70VC 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-70VC is available in a standard 32-pin plastic DIP (Dual In-line Package).

Essence

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

Packaging/Quantity

It is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

  • Memory Type: Flash EEPROM
  • Organization: 256K x 8 bits
  • Supply Voltage: 5V ±10%
  • Access Time: 70 ns
  • Operating Temperature Range: -40°C to +85°C
  • Erase/Program Cycle Endurance: 10,000 cycles
  • Data Retention: 20 years

Pin Configuration

The detailed pin configuration of AT49F002N-70VC is as follows:

  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. OE#
  14. CE#
  15. WE#
  16. NC
  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. VCC
  27. NC
  28. NC
  29. NC
  30. NC
  31. NC
  32. NC

Functional Features

  • Byte-wide random access for reading and programming.
  • Sector erase capability for efficient memory management.
  • Hardware and software data protection mechanisms.
  • Low power consumption in standby mode.
  • Fast programming and erase operations.

Advantages and Disadvantages

Advantages

  • Non-volatile nature ensures data retention even during power loss.
  • High storage capacity suitable for various applications.
  • Fast access time allows for quick data retrieval.
  • Low power consumption helps conserve energy.
  • Reliable and durable, ensuring long-term data integrity.

Disadvantages

  • Limited erase/program 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

AT49F002N-70VC utilizes flash EEPROM technology to store data. It consists of a grid of memory cells that can be electrically programmed or erased. The memory cells are organized into sectors, allowing for efficient management of data. When data needs to be read or written, the appropriate address is provided, and the corresponding memory cell is accessed.

Detailed Application Field Plans

AT49F002N-70VC 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 AT49F002N-70VC include: - AT49F001N-55VI - AT49F004A-55TI - AT49F008A-90TC - AT49F016A-70TU

These models offer similar functionality and characteristics, but with varying storage capacities and access times.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT49F002N-70VC v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT49F002N-70VC in technical solutions:

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

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

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

  6. Q: Is the AT49F002N-70VC suitable for high-speed applications? A: Yes, with a 70ns access time, the AT49F002N-70VC is suitable for many high-speed applications, including data storage and code execution.

  7. Q: Can I erase and reprogram the AT49F002N-70VC multiple times? A: Yes, the AT49F002N-70VC supports both erasing and reprogramming, allowing you to update the stored data as needed.

  8. Q: What is the typical lifespan of the AT49F002N-70VC? A: The AT49F002N-70VC has a typical endurance of 10,000 erase/write cycles, ensuring reliable operation for a reasonable lifespan.

  9. Q: Are there any special considerations for handling the AT49F002N-70VC during installation? A: It is recommended to follow proper electrostatic discharge (ESD) precautions when handling the AT49F002N-70VC to prevent damage to the chip.

  10. Q: Where can I find more detailed information about the AT49F002N-70VC? A: You can refer to the datasheet provided by Atmel or visit their official website for more detailed technical information about the AT49F002N-70VC.

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