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AT49F002N-55JC
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AT49F002N-55JC

Product Overview

Category

AT49F002N-55JC belongs to the category of non-volatile memory devices.

Use

It is commonly 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: 55 nanoseconds.
  • Low power consumption.
  • Reliable and durable.

Package

AT49F002N-55JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT49F002N-55JC 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/Program Cycle Endurance: 10,000 cycles

Pin Configuration

The detailed pin configuration of AT49F002N-55JC 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. BYTE#
  17. NC
  18. DQ0
  19. DQ1
  20. DQ2
  21. DQ3
  22. DQ4
  23. DQ5
  24. DQ6
  25. DQ7
  26. VCC
  27. GND
  28. NC
  29. NC
  30. A15
  31. A13
  32. A8

Functional Features

  • Byte-wide and word-wide operations.
  • Sector erase capability.
  • Chip erase capability.
  • Hardware and software data protection.
  • Automatic sleep mode for low power consumption.

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 helps in energy-efficient designs.
  • Reliable and durable, ensuring long-term data integrity.

Disadvantages

  • Limited erase/program cycle endurance compared to other memory technologies.
  • Higher cost per bit compared to some alternative memory options.

Working Principles

AT49F002N-55JC utilizes flash EEPROM technology to store data. It consists of a grid of memory cells, where each cell can store one or more bits of information. The data is stored by trapping electric charges within the floating gate of each memory cell. These trapped charges determine the stored data value. To read or modify the data, specific voltage levels are applied to the control pins of the device.

Detailed Application Field Plans

AT49F002N-55JC 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 AT49F002N-55JC include: - AT49BV002N-55JC - AT45DB021D-SU - SST39SF020A-70-4C-NHE

These models provide comparable features and can be considered as alternatives based on specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT49F002N-55JC en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of AT49F002N-55JC in technical solutions:

  1. Q: What is the AT49F002N-55JC? A: The AT49F002N-55JC is a 2-megabit (256K x 8) CMOS flash memory chip manufactured by Atmel.

  2. Q: What are the key features of the AT49F002N-55JC? A: Some 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 AT49F002N-55JC with a microcontroller? A: The AT49F002N-55JC 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-55JC support? A: The AT49F002N-55JC supports a single power supply voltage range of 4.5V to 5.5V.

  5. Q: Can I use the AT49F002N-55JC as a program memory for my microcontroller? A: Yes, the AT49F002N-55JC can be used as a program memory for microcontrollers that require external non-volatile storage.

  6. Q: Is the AT49F002N-55JC suitable for high-speed applications? A: Yes, with a fast access time of 55ns, the AT49F002N-55JC is suitable for high-speed applications that require quick data retrieval.

  7. Q: Does the AT49F002N-55JC support in-system programming (ISP)? A: No, the AT49F002N-55JC does not support in-system programming. It requires a separate programmer to write data into the memory.

  8. Q: Can I use the AT49F002N-55JC in battery-powered devices? A: Yes, the AT49F002N-55JC has low power consumption, making it suitable for battery-powered devices where energy efficiency is crucial.

  9. Q: What is the endurance of the AT49F002N-55JC? A: The AT49F002N-55JC has a minimum endurance of 100,000 program/erase cycles, ensuring reliable and long-lasting operation.

  10. Q: Are there any specific precautions I should take when handling the AT49F002N-55JC? A: It is recommended to follow proper electrostatic discharge (ESD) precautions when handling the AT49F002N-55JC to prevent damage to the chip.