AT49LV002-90VC

Product Overview

Category

AT49LV002-90VC belongs to the category of non-volatile memory devices.

Use

It is primarily used for storing and retrieving digital information in electronic systems.

Characteristics

• Non-volatile: Retains data even when power is removed.
• High capacity: The AT49LV002-90VC has a storage capacity of 2 megabits (256 kilobytes).
• Low power consumption: Designed to operate with minimal power requirements.
• Fast access time: Provides quick access to stored data.
• Reliable: Offers high endurance and data retention capabilities.

Package

The AT49LV002-90VC is available in a standard 32-pin plastic package.

Essence

This product is an advanced non-volatile memory chip that enables reliable and efficient data storage in various electronic applications.

Packaging/Quantity

The AT49LV002-90VC is typically packaged in reels or tubes, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Type: Flash EEPROM
• Capacity: 2 Megabits (256 Kilobytes)
• Supply Voltage: 2.7V - 3.6V
• Access Time: 90ns
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel
• Pin Count: 32
• Package Type: Plastic

Detailed 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. CE#
18. OE#
19. WE#
20. RESET#
21. BYTE#
22. VCC
23. GND
24. DQ0
25. DQ1
26. DQ2
27. DQ3
28. DQ4
29. DQ5
30. DQ6
31. DQ7
32. NC

Functional Features

• Easy integration: The AT49LV002-90VC can be easily integrated into existing electronic systems due to its standard parallel interface.
• High-speed operation: With a fast access time of 90ns, it enables efficient data retrieval and storage.
• Flexible control: The chip supports various control signals such as CE#, OE#, WE#, RESET#, and BYTE# for versatile operation.
• Low power consumption: Designed to operate with minimal power requirements, making it suitable for battery-powered devices.
• Reliable data retention: The non-volatile nature of the memory ensures that stored data remains intact even during power loss or system shutdown.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention.
• High capacity allows for storing large amounts of information.
• Fast access time enables quick data retrieval.
• Low power consumption prolongs battery life in portable devices.
• Versatile control signals provide flexibility in system integration.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Parallel interface may require additional circuitry for compatibility with certain systems.
• Relatively higher cost per unit compared to some alternative memory options.

Working Principles

The AT49LV002-90VC utilizes flash EEPROM technology to store and retrieve digital information. It employs a combination of floating-gate transistors and charge storage mechanisms to retain data even when power is removed. The memory cells are organized in a matrix structure, allowing for efficient read and write operations. Control signals, such as CE#, OE#, and WE#, are used to manage the memory access and data transfer processes.

Detailed Application Field Plans

The AT49LV002-90VC is widely used in various electronic systems that require non-volatile memory for data storage. Some common application fields include:

1. Embedded Systems: The chip can be utilized in embedded systems for storing firmware, configuration data, and other critical information.
2. Consumer Electronics: It finds applications in devices like digital cameras, set-top boxes, and portable media players for storing user data, settings, and multimedia content.
3. Automotive Electronics: The AT49LV002-90VC can be employed in automotive systems for storing calibration data, firmware updates, and event logs.
4. Industrial Control Systems: It is suitable for industrial control systems that require reliable and non-volatile memory for storing program code, configuration parameters, and historical data.

Detailed and Complete Alternative Models

1. AT45DB161E: This flash memory chip offers a higher capacity of 16 megabits (2 megabytes) and supports both serial and parallel interfaces.
2. AT25SF041: