AT49F002T-90VI

Product Overview

Category

AT49F002T-90VI belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving data in electronic systems.

Characteristics

• Non-volatile: The AT49F002T-90VI retains stored data even when power is removed.
• High capacity: This device has a storage capacity of 2 megabits (256 kilobytes).
• Fast access time: With a speed rating of 90 nanoseconds, it offers quick data retrieval.
• Low power consumption: The AT49F002T-90VI operates efficiently with low power requirements.

Package

The AT49F002T-90VI is available in a standard 32-pin plastic DIP (Dual In-line Package).

Essence

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

Packaging/Quantity

The AT49F002T-90VI is typically packaged in reels or tubes, with a quantity of 25 pieces per package.

Specifications

• Memory Type: Flash EEPROM
• Organization: 256K x 8 bits
• Supply Voltage: 4.5V - 5.5V
• Access Time: 90 ns
• Operating Temperature Range: -40°C to +85°C
• Erase/Program Cycle Endurance: 10,000 cycles
• Data Retention: 20 years

Detailed Pin Configuration

1. A16
2. A15
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VCC
13. OE#
14. CE#
15. WE#
16. I/O0
17. I/O1
18. I/O2
19. I/O3
20. I/O4
21. I/O5
22. I/O6
23. I/O7
24. GND
25. NC
26. NC
27. NC
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

• Easy integration: The AT49F002T-90VI can be easily integrated into various electronic systems.
• High-speed operation: With a fast access time, it enables quick data retrieval and processing.
• Versatile interface: It supports a standard parallel interface for easy communication with other components.
• Low power consumption: This device operates efficiently, minimizing power requirements.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity allows for ample data storage.
• Fast access time enables quick data retrieval.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Limited erase/program cycle endurance compared to some alternative models.
• Relatively higher cost per bit compared to other memory technologies.

Working Principles

The AT49F002T-90VI utilizes flash EEPROM 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 a parallel interface to communicate with the host system, allowing for efficient data transfer.

Detailed Application Field Plans

The AT49F002T-90VI finds applications in various electronic systems, including: 1. Embedded systems 2. Consumer electronics 3. Automotive electronics 4. Industrial control systems 5. Communication devices

Detailed and Complete Alternative Models

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

These alternative models offer similar functionality and compatibility with the AT49F002T-90VI, providing options for different application requirements.

In conclusion, the AT49F002T-90VI is a non-volatile memory device that offers high capacity, fast access time, and low power consumption. It finds applications in various electronic systems and can be easily integrated due to its versatile interface. While it has limitations in terms of erase/program cycle endurance and cost per bit, alternative models are available to cater to specific needs.