Microchip Technology Tariff Inquiry

AT49F040A-55PI

AT49F040A-55PI Description

The AT49F040A-55PI is a high-performance, 4 Mbit (512K x 8) Flash memory IC designed for a wide range of embedded systems and microcontroller applications. Manufactured by Microchip Technology, this parallel Flash memory device offers robust performance and reliability, making it an ideal choice for various industrial and commercial applications. The AT49F040A-55PI is housed in a through-hole package, specifically a 32-pin DIP (Dual In-line Package), ensuring ease of integration into existing designs and new projects alike.

AT49F040A-55PI Features

• Memory Organization: The AT49F040A-55PI features a 512K x 8 memory organization, providing a total of 4 Mbit of non-volatile storage. This allows configuration for efficient data storage and retrieval, making it suitable for applications requiring significant memory capacity.
• Access Time: With an access time of 55 ns, the AT49F040A-55PI ensures rapid data retrieval, enhancing the overall performance of the system it is integrated into. This fast access time is crucial for applications that require quick response times and real-time data processing.
• Write Cycle Time: The device boasts a write cycle time of 40 µs for both word and page operations. This feature allows for efficient data writing, reducing the time required for data storage operations and improving the overall efficiency of the system.
• Voltage Range: The AT49F040A-55PI operates within a supply voltage range of 4.5V to 5.5V, ensuring compatibility with a variety of power supply configurations. This wide voltage range provides flexibility in system design and ensures reliable operation under varying power conditions.
• Technology: Utilizing Flash technology, the AT49F040A-55PI offers non-volatile memory storage, meaning data is retained even when power is removed. This is particularly advantageous for applications requiring persistent data storage without the need for constant power.
• Package Type: The through-hole mounting type and 32-pin DIP package make the AT49F040A-55PI easy to integrate into printed circuit boards (PCBs) and other electronic assemblies. The through-hole package also ensures mechanical stability and reliability in various operating environments.
• Moisture Sensitivity Level: With a moisture sensitivity level (MSL) of 1 (Unlimited), the AT49F040A-55PI is highly resistant to moisture, making it suitable for use in a wide range of environmental conditions without the need for special handling or storage precautions.

AT49F040A-55PI Applications

The AT49F040A-55PI is ideal for a variety of applications where reliable, non-volatile memory storage is required. Some specific use cases include:

• Embedded Systems: The device's fast access time and write cycle time make it suitable for embedded systems that require quick data processing and storage, such as microcontroller-based applications.
• Industrial Control Systems: The robust performance and wide operating voltage range ensure reliable operation in industrial environments, where consistent performance and data integrity are critical.
• Consumer Electronics: The AT49F040A-55PI can be used in consumer electronics for storing firmware and other critical data, ensuring that devices retain their functionality even after power loss.
• Automotive Applications: The device's reliability and resistance to moisture make it suitable for automotive applications, where it can be used for storing critical data and parameters required for vehicle operation and diagnostics.

Conclusion of AT49F040A-55PI

The AT49F040A-55PI is a versatile and reliable Flash memory IC that offers a combination of high performance, robust features, and ease of integration. Its fast access time, efficient write cycle time, and wide operating voltage range make it an excellent choice for a variety of applications, from embedded systems to industrial control systems. Despite being marked as obsolete, the AT49F040A-55PI remains a valuable component for designers and engineers looking for a reliable and efficient memory solution.