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AT49F002NT-90JC

AT49F002NT-90JC

Product Overview

Category

AT49F002NT-90JC 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 AT49F002NT-90JC retains stored data even when power is removed.
  • High capacity: This device has a storage capacity of 2 megabits (256 kilobytes).
  • Fast access time: It offers a fast access time of 90 nanoseconds.
  • Low power consumption: The AT49F002NT-90JC operates on low power, making it suitable for battery-powered devices.

Package

The AT49F002NT-90JC 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 AT49F002NT-90JC is typically packaged in reels or tubes, with a quantity of 100 units per package.

Specifications

  • Memory Type: Flash EEPROM
  • Organization: 256K x 8 bits
  • Supply Voltage: 4.5V - 5.5V
  • Access Time: 90 ns
  • Operating Temperature Range: -40°C to +85°C
  • Erase/Write Cycle Endurance: 10,000 cycles

Detailed Pin Configuration

The AT49F002NT-90JC 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. RP#
  29. RY/BY#
  30. RESET#
  31. NC
  32. NC

Functional Features

  • Easy integration: The AT49F002NT-90JC can be easily integrated into various electronic systems.
  • High-speed operation: It offers fast read and write operations, enabling efficient data access.
  • Versatile interface: This device supports a standard parallel interface for easy communication with other components.

Advantages and Disadvantages

Advantages

  • Non-volatile memory ensures data retention even during power loss.
  • High storage capacity allows for storing large amounts of data.
  • Fast access time enables quick retrieval of information.
  • Low power consumption makes it suitable for battery-powered devices.

Disadvantages

  • Limited erase/write cycle endurance compared to some other non-volatile memory technologies.
  • Requires additional circuitry for programming and erasing operations.

Working Principles

The AT49F002NT-90JC utilizes flash EEPROM technology to store data. It consists of a grid of memory cells that can be electrically programmed and erased. When data is written, charges are trapped in the floating gate of each memory cell, representing the stored information. During read operations, the charges are sensed to retrieve the stored data.

Detailed Application Field Plans

The AT49F002NT-90JC 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-55JC
  2. AT49F002NT-70JC
  3. AT49F002NT-90PC
  4. AT49F002NT-12JC
  5. AT49F002NT-15JC

These alternative models offer similar functionality and characteristics to the AT49F002NT-90JC, with variations in access time, temperature range, or package type.

In conclusion, the AT49F002NT-90JC is a non-volatile memory device with a high storage capacity and fast access time. It is widely used in various electronic systems for reliable data storage and retrieval. While it has advantages such as non-volatility and low power consumption, it also has limitations in terms of erase/write cycle endurance. Nonetheless, it remains a popular choice in many applications due to its versatility and ease of integration.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT49F002NT-90JC v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT49F002NT-90JC in technical solutions:

  1. Q: What is the AT49F002NT-90JC? A: The AT49F002NT-90JC is a 2-megabit (256K x 8) CMOS flash memory device manufactured by Atmel.

  2. Q: What are the key features of the AT49F002NT-90JC? A: The key features include a 90ns access time, low power consumption, byte-wide data access, and compatibility with various microcontrollers.

  3. Q: What applications can the AT49F002NT-90JC be used for? A: The AT49F002NT-90JC is commonly used in applications such as firmware storage, program code storage, data logging, and system configuration storage.

  4. Q: How is the AT49F002NT-90JC interfaced with a microcontroller? A: The AT49F002NT-90JC uses a standard parallel interface, where address lines, data lines, control signals (such as chip enable and write enable), and power supply connections are connected to the microcontroller.

  5. Q: Can the AT49F002NT-90JC be used in battery-powered devices? A: Yes, the AT49F002NT-90JC has low power consumption characteristics, making it suitable for use in battery-powered devices.

  6. Q: Is the AT49F002NT-90JC compatible with 3.3V systems? A: No, the AT49F002NT-90JC operates at a voltage range of 4.5V to 5.5V, so it is not directly compatible with 3.3V systems. Level-shifting circuitry may be required.

  7. Q: Can the AT49F002NT-90JC be reprogrammed? A: Yes, the AT49F002NT-90JC supports in-system programming (ISP) and can be reprogrammed using appropriate programming tools and software.

  8. Q: What is the endurance of the AT49F002NT-90JC? A: The AT49F002NT-90JC has a minimum endurance of 10,000 program/erase cycles, ensuring reliable and long-lasting operation.

  9. Q: Does the AT49F002NT-90JC have any built-in security features? A: No, the AT49F002NT-90JC does not have built-in security features such as hardware write protection or encryption.

  10. Q: Are there any specific precautions to consider when using the AT49F002NT-90JC? A: It is important to handle the device properly to avoid electrostatic discharge (ESD) damage. Additionally, care should be taken to ensure proper voltage levels and timing requirements are met during programming and erasing operations.

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