AT49F002N-90PI

Product Overview

Category: Integrated Circuit (IC)

Use: The AT49F002N-90PI is a non-volatile memory IC primarily used for data storage and retrieval in various electronic devices.

Characteristics: - Non-volatile: Retains stored data even when power is turned off. - High capacity: Offers 2 megabits (256 kilobytes) of storage space. - Fast access time: Operates at a maximum speed of 90 nanoseconds. - Low power consumption: Designed to minimize energy usage. - Durable: Can withstand multiple read/write cycles without degradation.

Package: The AT49F002N-90PI is available in a 32-pin plastic dual in-line package (PDIP).

Essence: This IC serves as a reliable and efficient solution for storing critical data in electronic systems, ensuring data integrity and quick access.

Packaging/Quantity: The AT49F002N-90PI is typically sold in reels or tubes, with each containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• 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-pin PDIP

Detailed Pin Configuration

The AT49F002N-90PI features a 32-pin configuration with the following pin assignments:

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. NC
25. I/O0
26. I/O1
27. I/O2
28. I/O3
29. I/O4
30. I/O5
31. I/O6
32. I/O7

Functional Features

• Non-volatile Memory: The AT49F002N-90PI retains stored data even when power is disconnected, ensuring data persistence.
• Fast Access Time: With a maximum access time of 90 nanoseconds, this IC enables quick data retrieval and processing.
• Flexible Read/Write Operations: The IC supports both read and write operations, allowing for efficient data storage and modification.
• Low Power Consumption: Designed with power efficiency in mind, the AT49F002N-90PI minimizes energy consumption during operation.
• Durable Design: This IC can endure multiple read/write cycles without significant degradation, ensuring long-term reliability.

Advantages and Disadvantages

Advantages: - High storage capacity - Fast access time - Non-volatile memory - Low power consumption - Durable design

Disadvantages: - Limited compatibility with certain systems or interfaces - Relatively higher cost compared to lower-capacity memory options

Working Principles

The AT49F002N-90PI 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 turned off. The IC's internal circuitry allows for efficient reading and writing of data, providing reliable and fast access to stored information.

Detailed Application Field Plans

The AT49F002N-90PI finds applications in various electronic devices and systems, including but not limited to: - Microcontrollers - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems

Its high storage capacity, fast access time, and non-volatile nature make it suitable for storing critical data such as firmware, configuration settings, and user data in these application fields.

Detailed and Complete Alternative Models

1. AT49F002N-55VI: Similar to the AT49F002N-90PI, this model offers a 2 megabit flash memory with a slightly slower access time of 55 nanoseconds.
2. AT49F002NT-12JC: This alternative model provides the same storage capacity but operates at a lower voltage (3.3V) and features a different package type (44-pin PLCC).
3. AT49F002AN-70TU: With a faster access time of 70 nanoseconds, this alternative model offers improved performance while maintaining the same storage capacity.

These alternative models provide options with varying specifications to cater to different system requirements and design constraints