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AT49BV002-12JI

AT49BV002-12JI

Product Overview

Category

AT49BV002-12JI 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: The AT49BV002-12JI has a storage capacity of 2 megabits (256 kilobytes).
  • Fast access time: It offers a fast access time of 120 nanoseconds.
  • Low power consumption: Designed to operate with low power requirements.
  • Wide operating voltage range: Can operate within a voltage range of 2.7V to 3.6V.

Package

The AT49BV002-12JI is available in a standard JEDEC 32-pin PLCC package.

Essence

This product is an essential component for data storage and retrieval in various electronic devices.

Packaging/Quantity

The AT49BV002-12JI is typically packaged in reels, with each reel containing a specific quantity of devices. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Memory Type: Flash
  • Organization: 256K x 8 bits
  • Access Time: 120 ns
  • Supply Voltage: 2.7V - 3.6V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: PLCC-32

Detailed Pin Configuration

The AT49BV002-12JI has a total of 32 pins. The pin configuration 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. VCC
  13. A15
  14. A13
  15. A8
  16. A9
  17. A11
  18. A10
  19. OE#
  20. CE#
  21. WE#
  22. I/O0
  23. I/O1
  24. I/O2
  25. I/O3
  26. I/O4
  27. I/O5
  28. I/O6
  29. I/O7
  30. RY/BY#
  31. NC
  32. GND

Functional Features

  • Easy data storage and retrieval: The AT49BV002-12JI provides a simple interface for storing and retrieving data.
  • High-speed operation: With an access time of 120 ns, it allows for fast data transfer.
  • Low power consumption: Designed to operate with low power requirements, making it suitable for battery-powered devices.
  • Non-volatile memory: The stored data is retained even when the power is turned off.

Advantages and Disadvantages

Advantages

  • Non-volatile nature ensures data retention.
  • High storage capacity.
  • Fast access time.
  • Low power consumption.

Disadvantages

  • Limited compatibility with certain systems due to its specific pin configuration.
  • Relatively higher cost compared to other memory devices with lower capacities.

Working Principles

The AT49BV002-12JI utilizes flash memory technology to store and retrieve data. It employs a combination of floating-gate transistors and charge storage elements to store binary information. When data is written, charges are trapped in the floating gate, altering the transistor's behavior. This alteration allows the device to retain the written data even when the power is removed. During read operations, the stored charges are sensed, allowing the retrieval of the stored information.

Detailed Application Field Plans

The AT49BV002-12JI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  1. AT49BV002-12TC: Similar specifications and features, available in a different package (TSOP).
  2. AT49BV002-20JI: Higher access time (200 ns) variant with the same storage capacity.
  3. AT49BV004-12JI: Doubled storage capacity (4 megabits) with similar characteristics and pin configuration.

These alternative models provide options for different requirements and system compatibility.

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技術ソリューションにおける AT49BV002-12JI の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of AT49BV002-12JI in technical solutions:

  1. Q: What is the AT49BV002-12JI? A: The AT49BV002-12JI is a 2-megabit (256K x 8) CMOS flash memory device manufactured by Atmel.

  2. Q: What are the key features of the AT49BV002-12JI? A: Some key features include a 12ns access time, low power consumption, sector erase capability, and compatibility with various microcontrollers.

  3. Q: How can I interface the AT49BV002-12JI with a microcontroller? A: The AT49BV002-12JI 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 AT49BV002-12JI support? A: The AT49BV002-12JI operates at a single power supply voltage of 2.7V to 3.6V.

  5. Q: Can I use the AT49BV002-12JI in battery-powered devices? A: Yes, the AT49BV002-12JI has low power consumption, making it suitable for battery-powered applications.

  6. Q: How do I erase and program the AT49BV002-12JI? A: The AT49BV002-12JI supports both sector erase and byte programming. You can use specific commands and timing sequences provided in the datasheet.

  7. Q: What is the endurance of the AT49BV002-12JI? A: The AT49BV002-12JI has a minimum endurance of 100,000 erase/write cycles per sector.

  8. Q: Can I use the AT49BV002-12JI in industrial temperature environments? A: Yes, the AT49BV002-12JI is designed to operate in a wide temperature range of -40°C to +85°C, making it suitable for industrial applications.

  9. Q: Does the AT49BV002-12JI have any built-in security features? A: No, the AT49BV002-12JI does not have built-in security features like hardware or software protection.

  10. Q: Are there any application notes or reference designs available for the AT49BV002-12JI? A: Yes, Atmel provides application notes and reference designs on their website that can help you with the implementation of the AT49BV002-12JI in your technical solutions.

Please note that these answers are general and may vary depending on specific requirements and use cases. It's always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.