AT49F1024-90VI

Product Overview

Category

AT49F1024-90VI 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 AT49F1024-90VI retains data even when power is removed.
• High capacity: It has a storage capacity of 1,024 kilobits (128 kilobytes).
• Fast access time: The device offers a fast access time of 90 nanoseconds.
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.

Package

The AT49F1024-90VI is available in a compact and industry-standard 32-pin TSOP package.

Essence

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

Packaging/Quantity

The AT49F1024-90VI is typically packaged in reels or tubes, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Type: Flash EEPROM
• Organization: 128K x 8 bits
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Programming Time: 10 microseconds per byte
• Erase Time: 20 milliseconds per sector
• Data Retention: 20 years

Pin Configuration

The AT49F1024-90VI features a 32-pin TSOP package with the following pin configuration:

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

Functional Features

• Easy integration: The AT49F1024-90VI can be easily integrated into existing electronic systems.
• High-speed operation: It offers fast read and write operations, enabling efficient data access.
• Versatile interface: The device supports a standard parallel interface for seamless connectivity with various microcontrollers and processors.
• Sector erase capability: The AT49F1024-90VI allows for sector-based erasure, providing flexibility in managing data storage.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity suitable for a wide range of applications.
• Fast access time enhances system performance.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Limited endurance: Flash memory has a finite number of erase/write cycles.
• Relatively higher cost compared to other types of memory.

Working Principles

The AT49F1024-90VI utilizes flash EEPROM technology to store data. It consists of a grid of memory cells that can be electrically programmed and erased. When data is written, an electrical charge is applied to the memory cell, altering its state. To erase data, the memory cells are exposed to an electrical charge that resets them to their initial state. This combination of programming and erasing allows for non-volatile data storage.

Detailed Application Field Plans

The AT49F1024-90VI 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. AT49BV1024-90VI: Similar to the AT49F1024-90VI, this model offers the same capacity and characteristics but features a different programming algorithm.
2. AT45DB1024D: This alternative model is a serial flash memory device with a capacity of 1,024 kilobits. It offers similar functionality but operates on a different interface.

Please note that the above list is not exhaustive, and there may be other alternative models available in the market.

In conclusion, the AT49F1024-90VI is a non-volatile memory device with a high storage capacity and fast access time. Its versatile interface and sector erase capability make it suitable for a wide range of applications. While it offers advantages such as non-volatility and low power consumption, it also has limitations like limited endurance and relatively higher cost.