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AT49F040A-55TI-T
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AT49F040A-55TI-T

Product Overview

Category

The AT49F040A-55TI-T belongs to the category of Flash Memory ICs.

Use

This product is primarily used for non-volatile storage in various electronic devices such as computers, mobile phones, and consumer electronics.

Characteristics

  • Non-volatile: The AT49F040A-55TI-T retains data even when power is removed.
  • High capacity: This flash memory IC has a storage capacity of 4 megabits (512 kilobytes).
  • Fast access time: It offers a fast access time of 55 nanoseconds.
  • Low power consumption: The AT49F040A-55TI-T operates on low power, making it suitable for battery-powered devices.

Package

The AT49F040A-55TI-T is available in a surface-mount TSOP package.

Essence

This flash memory IC is designed to provide reliable and high-performance data storage solutions for a wide range of electronic applications.

Packaging/Quantity

The AT49F040A-55TI-T is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

  • Storage Capacity: 4 Megabits (512 Kilobytes)
  • Access Time: 55 Nanoseconds
  • Supply Voltage: 2.7V - 3.6V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: TSOP

Detailed Pin Configuration

  1. A16
  2. A15
  3. A14
  4. A13
  5. A12
  6. A11
  7. A10
  8. A9
  9. A8
  10. VCC
  11. A7
  12. A6
  13. A5
  14. A4
  15. A3
  16. A2
  17. A1
  18. A0
  19. WE#
  20. OE#
  21. CE#
  22. BYTE#
  23. NC
  24. DQ0
  25. DQ1
  26. DQ2
  27. DQ3
  28. DQ4
  29. DQ5
  30. DQ6
  31. DQ7
  32. VSS

Functional Features

  • High-speed data transfer: The AT49F040A-55TI-T supports fast read and write operations, enabling efficient data transfer.
  • Sector erase capability: It allows for selective erasure of specific memory sectors, enhancing flexibility in data management.
  • Write protection: This flash memory IC features a write protection mechanism to prevent accidental data modification or deletion.
  • Data retention: The AT49F040A-55TI-T ensures long-term data retention, making it suitable for critical applications.

Advantages and Disadvantages

Advantages

  • High storage capacity
  • Fast access time
  • Low power consumption
  • Reliable data retention
  • Sector erase capability

Disadvantages

  • Limited compatibility with certain legacy systems
  • Relatively higher cost compared to lower-capacity flash memory options

Working Principles

The AT49F040A-55TI-T utilizes the principles of floating gate technology to store and retrieve data. It employs a grid of memory cells, where each cell can be electrically programmed and erased. When data is written, charges are trapped in the floating gate, altering the cell's electrical characteristics. These charges can be removed during the erase operation, allowing the cell to be reprogrammed with new data.

Detailed Application Field Plans

The AT49F040A-55TI-T finds extensive application in various electronic devices, including but not limited to: - Computers and laptops - Mobile phones and smartphones - Digital cameras - Set-top boxes - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  1. AT49F040A-55TU-T: Similar to the AT49F040A-55TI-T, but available in a different package type (TSSOP).
  2. AT49F040A-55JI: A variant with extended temperature range (-40°C to +125°C) for harsh operating environments.
  3. AT49F040A-55PI: This model offers a wider supply voltage range (2.7V - 5.5V) for compatibility with a broader range of systems.

These alternative models provide similar functionality and performance characteristics, catering to diverse application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av AT49F040A-55TI-T i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of AT49F040A-55TI-T in technical solutions:

  1. Q: What is the AT49F040A-55TI-T? A: The AT49F040A-55TI-T is a 4-megabit (512K x 8) CMOS flash memory device.

  2. Q: What is the operating voltage range for this device? A: The operating voltage range for the AT49F040A-55TI-T is 4.5V to 5.5V.

  3. Q: What is the maximum clock frequency supported by this flash memory? A: The AT49F040A-55TI-T supports a maximum clock frequency of 55 MHz.

  4. Q: Can this flash memory be used for code storage in microcontroller-based systems? A: Yes, the AT49F040A-55TI-T can be used for code storage in microcontroller-based systems.

  5. Q: Does this flash memory support in-system programming (ISP)? A: No, the AT49F040A-55TI-T does not support in-system programming. It requires a separate programmer.

  6. Q: What is the typical endurance of this flash memory? A: The typical endurance of the AT49F040A-55TI-T is 100,000 program/erase cycles.

  7. Q: Is this flash memory compatible with standard TTL logic levels? A: Yes, the AT49F040A-55TI-T is compatible with standard TTL logic levels.

  8. Q: Can this flash memory operate in a wide temperature range? A: Yes, the AT49F040A-55TI-T is designed to operate in a wide temperature range of -40°C to +85°C.

  9. Q: What is the package type for this flash memory? A: The AT49F040A-55TI-T comes in a 32-lead TSOP (Thin Small Outline Package).

  10. Q: Is this flash memory RoHS compliant? A: Yes, the AT49F040A-55TI-T is RoHS (Restriction of Hazardous Substances) compliant.

Please note that these answers are based on general information about the AT49F040A-55TI-T and may vary depending on specific application requirements.