AT49F002T-90JC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT49F002T-90JC 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 operation: Operates at a speed of 90 nanoseconds. - Low power consumption: Designed to minimize energy usage. - Reliable: Built with advanced technology to ensure data integrity.

Package: The AT49F002T-90JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence: This IC serves as a reliable and efficient solution for storing and accessing data in electronic devices.

Packaging/Quantity: The AT49F002T-90JC is typically packaged in reels, with each reel containing a quantity of 250 units.

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 PLCC

Pin Configuration

The AT49F002T-90JC features the following pin configuration:

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

Functional Features

• Non-volatile Storage: The AT49F002T-90JC retains stored data even when power is disconnected, ensuring data integrity.
• Fast Access Time: With an access time of 90 nanoseconds, this IC allows for quick retrieval of stored information.
• Low Power Consumption: Designed to minimize energy usage, making it suitable for battery-powered devices.
• Easy Integration: The IC can be easily integrated into various electronic systems due to its standard pin configuration and package.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention. - Fast access time enables quick data retrieval. - Low power consumption prolongs battery life. - Easy integration into different electronic systems.

Disadvantages: - Limited storage capacity compared to newer memory technologies. - Relatively slower compared to modern flash memory devices.

Working Principles

The AT49F002T-90JC 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 the power supply is disconnected. The IC uses address lines to select specific memory locations and control lines to perform read, write, and erase operations.

Detailed Application Field Plans

The AT49F002T-90JC finds applications in various electronic devices that require non-volatile memory for data storage and retrieval. Some common application fields include:

1. Consumer Electronics: Used in digital cameras, MP3 players, and portable gaming devices for storing firmware, user data, and multimedia content.
2. Automotive Systems: Employed in car audio systems, navigation devices, and engine control units for storing critical data and software.
3. Industrial Control Systems: Utilized in programmable logic controllers (PLCs), industrial automation equipment, and data loggers for storing configuration settings and logged data.

Detailed and Complete Alternative Models

1. AT49F002NT-90JC: Similar to the AT49F002T-90JC, but with extended temperature range (-40°C to +125°C).
2. AT49F002NT-70JC: Same as above, but with a faster access time of 70 nanoseconds.
3. AT49F002NT-55JC: Similar to the AT49F002T-90JC, but with an even faster access time of 55 nanoseconds.

These alternative models offer similar functionality and compatibility, with variations in temperature range and access time to suit specific application requirements.

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