AT49F002AT-55JI

Product Overview

Category: Integrated Circuit (IC)

Use: The AT49F002AT-55JI is a non-volatile memory IC primarily used for data storage and retrieval in 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 speed of 55 nanoseconds. - Low power consumption: Optimized for energy efficiency. - Durable: Can withstand harsh environmental conditions.

Package: The AT49F002AT-55JI is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence: This IC serves as a reliable and efficient solution for storing critical data in various electronic applications.

Packaging/Quantity: The AT49F002AT-55JI is typically sold in reels, with each reel containing a quantity of 250 units.

Specifications

• Memory Type: Flash
• Memory Size: 2 Megabits (256 Kilobytes)
• Access Time: 55 Nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: PLCC-32

Pin Configuration

The AT49F002AT-55JI features a 32-pin configuration. Here is a detailed pinout:

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. RP#
30. RESET#
31. NC
32. NC

Functional Features

The AT49F002AT-55JI offers the following functional features:

• Byte-wide and word-wide operations for flexible data access.
• Sector erase capability for efficient memory management.
• Built-in write protection mechanism to prevent accidental data modification.
• Automatic sleep mode to conserve power when not in use.
• High reliability and endurance, making it suitable for critical applications.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention even during power loss. - Fast access time allows for quick data retrieval. - Low power consumption prolongs battery life in portable devices. - Durable construction withstands harsh environmental conditions. - Flexible data access options enhance usability.

Disadvantages: - Limited storage capacity compared to newer memory technologies. - Relatively slower write speeds compared to some modern alternatives. - Higher cost per megabit compared to higher-density memory chips.

Working Principles

The AT49F002AT-55JI 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 without power. The IC uses a series of address lines and control signals to read, write, and erase data stored in its memory cells.

Detailed Application Field Plans

The AT49F002AT-55JI finds application in various electronic devices and systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Its reliable data storage capabilities make it suitable for applications that require non-volatile memory with moderate capacity and fast access times.

Detailed and Complete Alternative Models

• AT49F002NT-55JI
• AT49F002NT-70JI
• AT49F002NT-90JI
• AT49F002NT-12JI

These alternative models offer similar functionality and specifications, providing options for different project requirements or availability considerations.

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