Microchip Technology
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
AT49F002-90TC
Zobrazit detail DataSheets

AT49F002-90TC

Product Overview

Category

AT49F002-90TC belongs to the category of Flash Memory ICs.

Use

It is primarily used for data storage and retrieval in electronic devices.

Characteristics

  • Non-volatile memory
  • High-speed read and write operations
  • Low power consumption
  • Wide operating voltage range
  • Small form factor

Package

AT49F002-90TC is available in a Thin Small Outline Package (TSOP) with 32 pins.

Essence

The essence of AT49F002-90TC lies in its ability to store and retrieve digital information reliably and efficiently.

Packaging/Quantity

This product is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

  • Memory Size: 2 Megabits (256 K x 8)
  • Operating Voltage: 2.7V - 5.5V
  • Access Time: 90ns
  • Erase/Program Suspend/Erase Suspend: Yes
  • Sector Architecture: Uniform 4 KByte sectors
  • Data Retention: 20 years
  • Endurance: 10,000 erase/write cycles

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. 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. RY/BY#
  27. RESET#
  28. VSS
  29. RP#
  30. WP#
  31. NC
  32. A8

Functional Features

  • High-speed data transfer
  • Easy integration with various microcontrollers and systems
  • Flexible erase and program operations
  • Reliable data retention
  • Low power consumption during standby mode

Advantages and Disadvantages

Advantages

  • Fast access time for quick data retrieval
  • Wide operating voltage range allows compatibility with different systems
  • Small form factor enables space-saving designs
  • High endurance ensures long-lasting performance
  • Erase/program suspend feature provides flexibility in data management

Disadvantages

  • Limited storage capacity compared to higher-capacity flash memory ICs
  • Relatively slower write speed compared to some other memory technologies

Working Principles

AT49F002-90TC utilizes a floating gate transistor technology to store digital information. It employs a combination of electrical charges to represent binary data (0s and 1s). The memory cells can be electrically erased and reprogrammed, allowing for flexible data management.

Detailed Application Field Plans

AT49F002-90TC finds applications in various electronic devices, 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 AT49F002-90TC are: - AT49BV002T - AM29F002BT - S29AL002J - MX29LV002CB

These models provide comparable features and can be considered as alternatives based on specific requirements and compatibility with the target system.

Word count: 446 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT49F002-90TC v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT49F002-90TC in technical solutions:

  1. Q: What is the AT49F002-90TC? A: The AT49F002-90TC is a 2-megabit (256K x 8) flash memory device manufactured by Atmel.

  2. Q: What is the operating voltage range for the AT49F002-90TC? A: The AT49F002-90TC operates within a voltage range of 4.5V to 5.5V.

  3. Q: What is the maximum clock frequency supported by the AT49F002-90TC? A: The AT49F002-90TC supports a maximum clock frequency of 90 MHz.

  4. Q: Can the AT49F002-90TC be used as a boot device in embedded systems? A: Yes, the AT49F002-90TC can be used as a boot device due to its fast access times and high reliability.

  5. Q: What is the typical programming time for the AT49F002-90TC? A: The typical programming time for the AT49F002-90TC is around 10 milliseconds.

  6. Q: Does the AT49F002-90TC support in-system programming (ISP)? A: Yes, the AT49F002-90TC supports in-system programming, allowing for easy firmware updates without removing the chip from the system.

  7. Q: What is the endurance rating of the AT49F002-90TC? A: The AT49F002-90TC has an endurance rating of at least 100,000 program/erase cycles.

  8. Q: Can the AT49F002-90TC operate in harsh environments? A: Yes, the AT49F002-90TC is designed to operate in a wide temperature range (-40°C to +85°C) and is suitable for use in rugged environments.

  9. Q: What interface does the AT49F002-90TC use for communication? A: The AT49F002-90TC uses a standard parallel interface for communication with the host system.

  10. Q: Is the AT49F002-90TC compatible with other flash memory devices? A: Yes, the AT49F002-90TC is compatible with other similar flash memory devices, making it easy to replace or upgrade existing components in a system.

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