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AT49BV002NT-90VI
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AT49BV002NT-90VI

Product Overview

Category

AT49BV002NT-90VI belongs to the category of non-volatile memory devices.

Use

This product is primarily used for data storage in various electronic devices such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

  • Non-volatile: The AT49BV002NT-90VI 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 AT49BV002NT-90VI operates on low power, making it suitable for battery-powered devices.

Package

The AT49BV002NT-90VI is available in a standard 32-pin TSOP (Thin Small Outline Package) form factor.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic devices, ensuring data integrity even during power loss or system shutdown.

Packaging/Quantity

The AT49BV002NT-90VI is typically packaged in reels or tubes, with each package containing a specific quantity of devices. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Storage Capacity: 2 Megabits (256 Kilobytes)
  • Access Time: 90 Nanoseconds
  • Supply Voltage: 2.7V - 3.6V
  • Operating Temperature Range: -40°C to +85°C
  • Interface: Parallel

Detailed Pin Configuration

The AT49BV002NT-90VI features a 32-pin TSOP package with the following pin configuration:

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

Functional Features

  • Byte-wide and word-wide access modes.
  • Hardware and software data protection mechanisms.
  • Automatic sleep mode to reduce power consumption during idle periods.
  • Erase and program operations performed on a sector basis.

Advantages and Disadvantages

Advantages

  • Non-volatile storage ensures data integrity.
  • High storage capacity for various applications.
  • Fast access time allows for quick data retrieval.
  • Low power consumption extends battery life in portable devices.

Disadvantages

  • Limited write endurance compared to other memory technologies.
  • Higher cost per bit compared to volatile memory options.
  • Requires additional circuitry for interfacing with the host system.

Working Principles

The AT49BV002NT-90VI utilizes flash memory technology to store data. It employs a combination of floating-gate transistors and charge storage elements to retain information even when power is removed. The device uses an interface to communicate with the host system, allowing read, write, and erase operations.

Detailed Application Field Plans

The AT49BV002NT-90VI finds application in various fields, including: 1. Microcontrollers and embedded systems. 2. Consumer electronics such as digital cameras, printers, and set-top boxes. 3. Automotive electronics for data storage in infotainment systems and instrument clusters. 4. Industrial automation for storing configuration data and firmware updates.

Detailed and Complete Alternative Models

  1. AT49BV002NT-70VI: Similar to the AT49BV002NT-90VI, but with a slower access time of 70 nanoseconds.
  2. AT49BV002NT-55VI: Offers a faster access time of 55 nanoseconds compared to the AT49BV002NT-90VI.
  3. AT49BV002NT-120VI: Provides a higher endurance rating but with a slower access time of 120 nanoseconds.

These alternative models offer different performance characteristics to suit specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT49BV002NT-90VI v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT49BV002NT-90VI in technical solutions:

  1. Q: What is the AT49BV002NT-90VI? A: The AT49BV002NT-90VI is a 2-megabit (256K x 8) CMOS flash memory device.

  2. Q: What are the key features of the AT49BV002NT-90VI? A: Some key features include a fast access time of 90ns, low power consumption, and compatibility with both 3V and 5V systems.

  3. Q: What applications can the AT49BV002NT-90VI be used for? A: It can be used in various applications such as embedded systems, automotive electronics, industrial control systems, and consumer electronics.

  4. Q: How does the AT49BV002NT-90VI connect to a microcontroller or processor? A: The AT49BV002NT-90VI connects using a standard parallel interface, typically through address, data, and control lines.

  5. Q: Can the AT49BV002NT-90VI be reprogrammed? A: Yes, it supports in-system programming (ISP), allowing for easy reprogramming of the memory contents.

  6. Q: What is the operating voltage range of the AT49BV002NT-90VI? A: The AT49BV002NT-90VI operates within a voltage range of 2.7V to 5.5V.

  7. Q: Does the AT49BV002NT-90VI have any built-in security features? A: No, the AT49BV002NT-90VI does not have built-in security features like hardware write protection or encryption.

  8. Q: What is the typical data retention time of the AT49BV002NT-90VI? A: The typical data retention time is 20 years, ensuring long-term reliability of stored information.

  9. Q: Can the AT49BV002NT-90VI withstand harsh environmental conditions? A: Yes, it has a wide operating temperature range of -40°C to +85°C, making it suitable for use in rugged environments.

  10. Q: Are there any specific programming algorithms or tools required for the AT49BV002NT-90VI? A: Yes, Atmel provides programming algorithms and tools that can be used with the AT49BV002NT-90VI to facilitate programming and verification processes.

Please note that these answers are general and may vary depending on the specific requirements and implementation of the AT49BV002NT-90VI in different technical solutions.