AT49F002NT-90PC

Product Overview

Category

AT49F002NT-90PC belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving data in electronic systems. It serves as a reliable storage solution for various applications.

Characteristics

• Non-volatile: The AT49F002NT-90PC retains stored data even when power is removed.
• High capacity: With a storage capacity of 2 megabits (256 kilobytes), it can accommodate a significant amount of data.
• Fast access time: The device offers quick access to stored information, ensuring efficient data retrieval.
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.
• Durable: The AT49F002NT-90PC is designed to withstand harsh environmental conditions, ensuring data integrity.

Package

The AT49F002NT-90PC comes in a standard plastic package, which provides physical protection to the integrated circuit inside.

Essence

The essence of this product lies in its ability to provide reliable and high-capacity non-volatile memory storage for electronic systems.

Packaging/Quantity

The AT49F002NT-90PC is typically packaged in reels or tubes, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Manufacturer: Atmel Corporation
• Part Number: AT49F002NT-90PC
• Memory Type: Flash
• Memory Size: 2 Megabits (256 Kilobytes)
• Access Time: 90 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-lead PDIP (Plastic Dual In-line Package)

Detailed Pin Configuration

The AT49F002NT-90PC has a 32-pin configuration, with each pin serving a specific purpose. Here is a detailed pinout:

1. A9 - Address Input
2. A8 - Address Input
3. A7 - Address Input
4. A6 - Address Input
5. A5 - Address Input
6. A4 - Address Input
7. A3 - Address Input
8. A2 - Address Input
9. A1 - Address Input
10. A0 - Address Input
11. CE - Chip Enable
12. OE - Output Enable
13. WE - Write Enable
14. VCC - Power Supply (5V)
15. DQ0 - Data Input/Output
16. DQ1 - Data Input/Output
17. DQ2 - Data Input/Output
18. DQ3 - Data Input/Output
19. DQ4 - Data Input/Output
20. DQ5 - Data Input/Output
21. DQ6 - Data Input/Output
22. DQ7 - Data Input/Output
23. RY/BY# - Ready/Busy Output
24. RESET# - Reset Input
25. RP - Reserved Pin
26. NC - No Connection
27. GND - Ground
28. A11 - Address Input
29. A10 - Address Input
30. A12 - Address Input
31. A13 - Address Input
32. A14 - Address Input

Functional Features

The AT49F002NT-90PC offers the following functional features:

• High-speed read and write operations
• Sector erase capability for efficient data management
• Hardware and software data protection mechanisms
• Automatic program and erase algorithms for simplified operation
• Low power consumption in standby mode
• Compatibility with various microcontrollers and electronic systems

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity allows for the storage of large amounts of data.
• Fast access time enables quick retrieval of information.
• Durable design ensures reliability in harsh environments.
• Low power consumption makes it suitable for battery-powered devices.

Disadvantages

• Limited storage capacity compared to other modern memory technologies.
• Relatively slower access times compared to some newer memory devices.
• Incompatibility with certain older systems due to its specific pin configuration.

Working Principles

The AT49F002NT-90PC utilizes flash memory technology to store and retrieve data. It employs a combination of floating-gate transistors and charge storage mechanisms to retain information even when power is removed. The device uses address inputs, control signals, and data lines to perform read, write, and erase operations.

Detailed Application Field Plans

The AT49F002NT-90PC finds applications in various electronic systems, including but not limited to:

1. Embedded Systems: Used as non-volatile storage for firmware, configuration data, and system parameters. 2