Microchip Technology
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AT49F002NT-70PI
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AT49F002NT-70PI

Product Overview

Category

AT49F002NT-70PI 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 is retained even when power is removed.
  • High capacity: The AT49F002NT-70PI has a storage capacity of 2 megabits.
  • Fast access time: It offers quick read and write operations.
  • Low power consumption: The device operates efficiently, consuming minimal power.
  • Durable: Designed to withstand harsh environmental conditions.

Package

The AT49F002NT-70PI is available in a plastic integrated circuit package.

Essence

This product is an essential component for data storage in various electronic applications.

Packaging/Quantity

The AT49F002NT-70PI is typically packaged in reels or tubes, with a quantity of 1000 units per package.

Specifications

  • Memory Type: Flash
  • Capacity: 2 Megabits (256 Kilobytes)
  • Access Time: 70 nanoseconds
  • Supply Voltage: 5V
  • Operating Temperature Range: -40°C to +85°C
  • Interface: Parallel

Detailed Pin Configuration

The AT49F002NT-70PI 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 integration: The AT49F002NT-70PI can be easily integrated into existing electronic systems.
  • High-speed operations: It offers fast read and write operations, enhancing system performance.
  • Versatile interface: The parallel interface allows for easy communication with the device.
  • Reliable data retention: The non-volatile memory ensures data integrity even during power loss.

Advantages and Disadvantages

Advantages

  • Non-volatile storage
  • High capacity
  • Fast access time
  • Low power consumption
  • Durable design

Disadvantages

  • Limited storage capacity compared to newer memory technologies
  • Requires additional circuitry for programming and erasing

Working Principles

The AT49F002NT-70PI utilizes flash memory technology to store data. It consists of a grid of memory cells that can be electrically programmed and erased. When data is written, an electrical charge is applied to the memory cells, altering their state. This stored information can be accessed and retrieved when needed.

Detailed Application Field Plans

The AT49F002NT-70PI finds applications in various electronic systems, including: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

  1. AT49F002NT-55VI: Similar to AT49F002NT-70PI but with a faster access time of 55 nanoseconds.
  2. AT49F002NT-90JI: Similar to AT49F002NT-70PI but with a wider operating temperature range (-40°C to +125°C).
  3. AT49F002NT-12PC: Similar to AT49F002NT-70PI but with a lower capacity of 1 megabit.

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT49F002NT-70PI v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT49F002NT-70PI in technical solutions:

  1. Q: What is the AT49F002NT-70PI? A: The AT49F002NT-70PI is a 2-megabit (256K x 8) CMOS flash memory device manufactured by Microchip Technology.

  2. Q: What are the key features of the AT49F002NT-70PI? A: Some key features include a 70ns access time, low power consumption, sector erase capability, and compatibility with various microcontrollers.

  3. Q: How can I interface the AT49F002NT-70PI with a microcontroller? A: The AT49F002NT-70PI 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 AT49F002NT-70PI as a boot device for my microcontroller? A: Yes, the AT49F002NT-70PI can be used as a boot device. It supports both single-byte and burst mode read operations, making it suitable for boot code storage.

  5. Q: How do I erase the AT49F002NT-70PI? A: The AT49F002NT-70PI supports sector erase operations. You can use specific commands to erase individual sectors or the entire chip.

  6. Q: What is the typical lifespan of the AT49F002NT-70PI? A: The AT49F002NT-70PI has a minimum endurance of 100,000 erase/write cycles per sector. However, it can retain data for more than 20 years.

  7. Q: Can I use the AT49F002NT-70PI in industrial applications? A: Yes, the AT49F002NT-70PI is suitable for industrial applications. It operates within a wide temperature range (-40°C to +85°C) and has high reliability.

  8. Q: Does the AT49F002NT-70PI require any external power supply? A: Yes, the AT49F002NT-70PI requires a separate power supply (VCC) for its operation. It typically operates at 5V, but it also supports 3.3V operation.

  9. Q: Can I program the AT49F002NT-70PI in-circuit? A: Yes, the AT49F002NT-70PI supports in-system programming (ISP). You can program it while it is connected to the target system without removing it.

  10. Q: Are there any development tools available for working with the AT49F002NT-70PI? A: Yes, Microchip provides various development tools, such as programmers and emulators, that are compatible with the AT49F002NT-70PI for easy integration into your projects.

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