AT49F002N-90PC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT49F002N-90PC is a non-volatile memory IC primarily used for data storage and retrieval in electronic devices. It offers reliable and high-performance flash memory capabilities.

Characteristics: - Non-volatile: Retains stored data even when power is removed. - High capacity: 2 megabits (256 kilobytes) of storage space. - Fast access time: Operates at a speed of 90 nanoseconds. - Low power consumption: Efficient energy usage for extended battery life in portable devices.

Package: The AT49F002N-90PC is available in a 32-pin plastic DIP (Dual In-line Package) format, which provides ease of installation and compatibility with various circuit boards.

Essence: This IC serves as a reliable and efficient solution for storing and retrieving data in electronic devices, ensuring seamless operation and data integrity.

Packaging/Quantity: The AT49F002N-90PC is typically packaged in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer.

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
• Pin Count: 32
• Package Type: Plastic DIP

Detailed Pin Configuration

The AT49F002N-90PC features a total of 32 pins, each serving a specific function. The pin configuration is as follows:

1. A0 - Address Input
2. A1 - Address Input
3. A2 - Address Input
4. A3 - Address Input
5. A4 - Address Input
6. A5 - Address Input
7. A6 - Address Input
8. A7 - Address Input
9. A8 - Address Input
10. A9 - Address Input
11. A10 - Address Input
12. A11 - Address Input
13. A12 - Address Input
14. A13 - Address Input
15. A14 - Address Input
16. A15 - Address Input
17. BYTE - Byte/Word Organization Input
18. WE# - Write Enable Input
19. OE# - Output Enable Input
20. CE# - Chip Enable Input
21. NC - No Connection
22. VCC - Power Supply
23. DQ0 - Data Input/Output
24. DQ1 - Data Input/Output
25. DQ2 - Data Input/Output
26. DQ3 - Data Input/Output
27. DQ4 - Data Input/Output
28. DQ5 - Data Input/Output
29. DQ6 - Data Input/Output
30. DQ7 - Data Input/Output
31. GND - Ground
32. NC - No Connection

Functional Features

The AT49F002N-90PC offers the following functional features:

• High-speed data access: With an access time of 90 nanoseconds, it enables quick retrieval and storage of data.
• Non-volatile memory: The flash memory retains stored data even when power is removed, ensuring data integrity.
• Low power consumption: It operates efficiently, consuming minimal power, making it suitable for battery-powered devices.
• Easy integration: The IC's 32-pin plastic DIP package allows for easy installation and compatibility with various circuit boards.

Advantages and Disadvantages

Advantages: - High capacity storage - Fast access time - Non-volatile memory - Low power consumption - Easy integration with circuit boards

Disadvantages: - Limited storage capacity compared to higher-capacity flash memory ICs - Relatively slower access time compared to some modern memory technologies

Working Principles

The AT49F002N-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 the power is turned off. The IC's internal circuitry allows for efficient reading and writing of data, ensuring reliable operation.

Detailed Application Field Plans

The AT49F002N-90PC finds applications in various electronic devices that require non-volatile memory for data storage and retrieval. Some potential application fields include:

1. Consumer Electronics:

   • Digital cameras
   • Set-top boxes
   • Portable media players

2. Automotive Systems:

   • Infotainment systems
   • Engine control units
   • Instrument clusters

3. Industrial Equipment:

   • Programmable logic controllers (PLCs)
   • Human-machine interfaces (HMIs)
   • Data