AT49LV040-12VI

Product Overview

Category

AT49LV040-12VI 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 AT49LV040-12VI has a storage capacity of 4 megabits (512 kilobytes).
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.
• Fast access time: The device offers a fast access time of 120 nanoseconds.

Package

The AT49LV040-12VI is available in a 32-pin plastic package.

Essence

The essence of AT49LV040-12VI lies in its ability to provide reliable and non-volatile data storage in various electronic applications.

Packaging/Quantity

The device is typically packaged in reels or tubes, with each containing a specific quantity of AT49LV040-12VI chips. The exact quantity may vary depending on the supplier.

Specifications

• Memory Type: Flash
• Organization: 512K x 8 bits
• Voltage Range: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Access Time: 120 ns
• Erase/Program Suspend & Resume Support: Yes
• Data Retention: 20 years

Detailed Pin Configuration

The AT49LV040-12VI features a 32-pin configuration. Here is a detailed pinout:

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

Functional Features

• Erase and Program Operations: The AT49LV040-12VI supports both erase and program operations, allowing for flexible data management.
• Suspend & Resume Support: It offers the ability to suspend and resume erase or program operations, enhancing efficiency in data manipulation.
• Low Power Consumption: The device operates on low power, making it suitable for power-constrained applications.
• High-Speed Access: With a fast access time of 120 ns, the AT49LV040-12VI ensures quick data retrieval.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity allows for ample data storage.
• Low power consumption extends battery life in portable devices.
• Fast access time enables quick data retrieval.

Disadvantages

• Limited write endurance compared to other memory technologies.
• Relatively higher cost per bit compared to some alternative memory options.

Working Principles

The AT49LV040-12VI utilizes flash memory technology to store data. It consists of a grid of memory cells that can be electrically programmed and erased. When data is written, charges are trapped in the floating gate of each memory cell, representing the stored information. To read the data, the charges are sensed and converted back into digital signals.

Detailed Application Field Plans

The AT49LV040-12VI 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

1. AT49BV040B: Similar to AT49LV040-12VI, but operates at a wider voltage range (2.7V - 5.5V).
2. AT45DB041D: Offers higher storage capacity (4 megabits) and additional features like dual-interface and sector erase.
3. W25Q32JV: Provides higher storage capacity (32 megabits) and supports quad SPI interface.

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific requirements.

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