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SST39WF400A-90-4I-B3KE-T

SST39WF400A-90-4I-B3KE-T Description

The SST39WF400A-90-4I-B3KE-T is a high-performance, 4Mbit Flash memory IC designed for demanding applications requiring fast access times and reliable data storage. Manufactured by Microchip Technology, this device is part of the SST39 MPF™ series and features a parallel memory interface, offering a memory organization of 256K x 16. The IC is housed in a surface-mount 48TFBGA package, making it suitable for compact and high-density designs. Despite being marked as obsolete, the SST39WF400A-90-4I-B3KE-T remains a robust choice for legacy systems and specific applications where its unique attributes are advantageous.

SST39WF400A-90-4I-B3KE-T Features

• Memory Size and Organization: The SST39WF400A-90-4I-B3KE-T offers a total memory size of 4Mbit, organized as 256K x 16, providing ample storage for firmware, configuration data, and other critical information.
• Access Time: With an access time of 90 ns, this Flash memory IC ensures rapid data retrieval, making it suitable for applications requiring quick response times.
• Write Cycle Time: The write cycle time for word and page operations is 40µs, enabling efficient data writing and updates.
• Voltage Range: The device operates within a supply voltage range of 1.65V to 1.95V, ensuring compatibility with low-power systems and maintaining energy efficiency.
• Compliance and Standards: The SST39WF400A-90-4I-B3KE-T is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety regulations.
• Packaging: Available in a Tape & Reel (TR) package, it is ideal for automated assembly processes, enhancing manufacturing efficiency.
• Moisture Sensitivity Level: With an MSL of 3 (168 Hours), the IC is suitable for a range of environmental conditions, ensuring reliability in various operational settings.

SST39WF400A-90-4I-B3KE-T Applications

The SST39WF400A-90-4I-B3KE-T is ideal for a variety of applications where fast access times, reliable storage, and low-power operation are critical. Specific use cases include:

• Embedded Systems: Ideal for embedded systems requiring non-volatile memory for firmware storage and quick data retrieval.
• Industrial Control: Suitable for industrial control applications where robustness and reliability are paramount.
• Telecommunications: Can be used in telecommunication equipment for storing configuration data and firmware updates.
• Automotive: Applicable in automotive systems for storing critical data and ensuring quick access during operation.
• Consumer Electronics: Used in consumer electronics for storing firmware and ensuring efficient data management.

Conclusion of SST39WF400A-90-4I-B3KE-T

The SST39WF400A-90-4I-B3KE-T, despite being marked as obsolete, remains a valuable component for specific applications requiring reliable, fast-access Flash memory. Its combination of a 90 ns access time, 40µs write cycle time, and low-power operation makes it a robust choice for embedded systems, industrial control, telecommunications, automotive, and consumer electronics. With its compliance to environmental and safety standards, the SST39WF400A-90-4I-B3KE-T continues to offer a reliable solution for legacy systems and specialized applications where its unique attributes are essential.