AT49F040-90VC

Product Overview

Category

AT49F040-90VC 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 AT49F040-90VC retains stored data even when power is removed.
• High capacity: This device has a storage capacity of 4 megabits (512 kilobytes).
• Fast access time: With an access time of 90 nanoseconds, it enables quick data retrieval.
• Low power consumption: The AT49F040-90VC operates at low power levels, making it energy-efficient.

Package

The AT49F040-90VC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) 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 AT49F040-90VC is typically packaged in reels or tubes, with a quantity of 1000 units per package.

Specifications

• Memory Capacity: 4 Megabits (512 Kilobytes)
• Access Time: 90 Nanoseconds
• Supply Voltage: 5V ±10%
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin PLCC

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. VPP
13. WE#
14. OE#
15. CE#
16. BYTE#
17. NC
18. DQ0
19. DQ1
20. DQ2
21. DQ3
22. DQ4
23. DQ5
24. DQ6
25. DQ7
26. VCC
27. GND
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

• Easy integration: The AT49F040-90VC can be easily integrated into various electronic systems.
• High-speed data transfer: It supports fast data transfer rates, enabling efficient read and write operations.
• Versatile interface: This device is compatible with a wide range of microcontrollers and other digital devices.
• Reliable performance: The AT49F040-90VC offers reliable and consistent performance over extended periods.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for storing large amounts of data.
• Fast access time allows for quick data retrieval.
• Low power consumption for energy-efficient operation.

Disadvantages

• Limited compatibility with certain older systems that do not support the 32-pin PLCC package.
• Relatively higher cost compared to some alternative memory devices.

Working Principles

The AT49F040-90VC utilizes flash memory technology to store and retrieve data. It employs a combination of floating-gate transistors and charge storage elements to achieve non-volatile data storage. When data is written, charges are trapped in the floating gates, preserving the stored information even when power is removed. During read operations, the stored charges are sensed and converted back into digital data.

Detailed Application Field Plans

The AT49F040-90VC finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

1. AT49F040-70VC: Similar to the AT49F040-90VC, but with a slightly slower access time of 70 nanoseconds.
2. AT49F040-12TC: Offers a faster access time of 12 nanoseconds, suitable for applications requiring high-speed data transfer.
3. AT49F040-15JC: Designed for low-power applications, featuring reduced power consumption compared to the AT49F040-90VC.

These alternative models provide options based on specific requirements such as access time, power consumption, and application needs.

In conclusion, the AT49F040-90VC 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 provides reliable data storage. While it may have some limitations in terms of compatibility and cost, there are alternative models available to cater to different requirements.