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AT49F002T-90TI
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AT49F002T-90TI

Product Overview

Category

AT49F002T-90TI 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: 90 nanoseconds.
  • Low power consumption.
  • Reliable and durable.

Package

AT49F002T-90TI is available in a standard 32-pin plastic package.

Essence

The essence of AT49F002T-90TI lies in its ability to provide reliable and high-capacity non-volatile memory storage for electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of AT49F002T-90TI chips. The exact quantity may vary depending on the manufacturer's specifications.

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/Program Cycle Endurance: 10,000 cycles
  • Data Retention: 20 years

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. VCC
  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. NC
  25. GND
  26. RP#
  27. BYTE#
  28. VPP
  29. RESET#
  30. WP#
  31. A14
  32. A13

Functional Features

  • Easy integration into various electronic systems.
  • High-speed data transfer and access.
  • Low power consumption for efficient operation.
  • Reliable data retention even in harsh environments.
  • Support for both read and write operations.

Advantages and Disadvantages

Advantages

  • Non-volatile memory ensures data integrity during power loss.
  • High storage capacity allows for storing large amounts of data.
  • Fast access time enables quick retrieval of information.
  • Low power consumption prolongs battery life in portable devices.

Disadvantages

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

Working Principles

AT49F002T-90TI utilizes flash EEPROM technology, which combines the benefits of both electrically erasable programmable read-only memory (EEPROM) and flash memory. It stores data by trapping electrons in a floating gate, allowing the information to be retained even when power is removed. The memory cells are organized in a grid-like structure, with each cell representing a bit of data.

Detailed Application Field Plans

AT49F002T-90TI 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 AT49F002T-90TI include: - AT49BV002T-90TI - AT45DB021D-TU - SST39SF020A-70-4C-NH

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 AT49F002T-90TI en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of AT49F002T-90TI in technical solutions:

  1. Q: What is the AT49F002T-90TI? A: The AT49F002T-90TI is a 2-megabit (256K x 8) flash memory device manufactured by Atmel.

  2. Q: What are the key features of the AT49F002T-90TI? A: The key features include a 90ns access time, low power consumption, sector erase capability, and compatibility with various microcontrollers.

  3. Q: How can I interface the AT49F002T-90TI with a microcontroller? A: The AT49F002T-90TI 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 AT49F002T-90TI as a boot device for my microcontroller? A: Yes, the AT49F002T-90TI can be used as a boot device. It supports both random access and sequential access modes, making it suitable for storing boot code.

  5. Q: What voltage levels does the AT49F002T-90TI support? A: The AT49F002T-90TI operates at a single power supply voltage of 5V.

  6. Q: Does the AT49F002T-90TI support in-system programming? A: No, the AT49F002T-90TI does not support in-system programming. It requires a separate programmer device for programming or erasing the memory.

  7. Q: Can I use the AT49F002T-90TI in battery-powered applications? A: Yes, the AT49F002T-90TI has low power consumption and can be used in battery-powered applications.

  8. Q: What is the maximum number of erase/write cycles supported by the AT49F002T-90TI? A: The AT49F002T-90TI supports a minimum of 10,000 erase/write cycles per sector.

  9. Q: Can I use the AT49F002T-90TI in industrial temperature environments? A: Yes, the AT49F002T-90TI is designed to operate in industrial temperature ranges (-40°C to +85°C).

  10. Q: Are there any specific precautions I need to take while handling the AT49F002T-90TI? A: It is recommended to follow standard ESD (Electrostatic Discharge) precautions while handling the AT49F002T-90TI to prevent damage to the device.

Please note that these answers are general and may vary depending on the specific requirements and application of the AT49F002T-90TI in your technical solution.