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M29W040B90K1E

M29W040B90K1E Description

The M29W040B90K1E is a 4Mbit Flash memory IC designed by Micron Technology Inc., a leading manufacturer in the semiconductor industry. This device is organized as 512K x 8 and features a parallel memory interface, making it suitable for applications requiring high-speed data access. The M29W040B90K1E operates within a voltage range of 2.7V to 3.6V and supports an access time of 90 ns, ensuring efficient performance in various electronic systems. The memory IC is housed in a 32PLCC package and is available in a tube package format, which is ideal for surface mount applications. Despite being marked as obsolete, the M29W040B90K1E remains a reliable choice for legacy systems and specific applications where its unique features are advantageous.

M29W040B90K1E Features

• Memory Size and Organization: The M29W040B90K1E offers a memory size of 4Mbit, organized as 512K x 8, providing ample storage for data-intensive applications.
• Parallel Interface: The parallel memory interface ensures high-speed data transfer, making it suitable for systems requiring rapid access to large amounts of data.
• Operating Temperature: With an operating temperature range of 0°C to 70°C (TA), this IC is designed to perform reliably in standard environmental conditions.
• Access Time: The 90 ns access time ensures quick data retrieval, enhancing the overall performance of the system.
• Write Cycle Time: The write cycle time of 90 ns for both word and page operations ensures efficient data writing capabilities.
• Voltage Range: The 2.7V to 3.6V supply voltage range provides flexibility in power supply requirements.
• Surface Mount Compatibility: The surface mount mounting type makes it easy to integrate into modern PCB designs.
• Compliance: The M29W040B90K1E is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the device is suitable for use in environments with varying humidity levels.

M29W040B90K1E Applications

The M29W040B90K1E is ideal for a variety of applications where reliable and efficient data storage and retrieval are essential. Some specific use cases include:

• Embedded Systems: The high-speed parallel interface and 90 ns access time make it suitable for embedded systems requiring quick data access.
• Industrial Automation: The robust operating temperature range and moisture sensitivity level ensure reliable performance in industrial environments.
• Telecommunications: The 4Mbit memory size and efficient write cycle time make it ideal for storing firmware and configuration data in telecom equipment.
• Consumer Electronics: The compact 32PLCC package and surface mount compatibility make it suitable for consumer electronics where space is a constraint.

Conclusion of M29W040B90K1E

The M29W040B90K1E, despite being obsolete, remains a reliable and efficient Flash memory IC for various applications. Its high-speed parallel interface, 90 ns access time, and 4Mbit memory size make it an attractive choice for systems requiring rapid data access and storage. The device's compliance with environmental and safety standards, along with its robust operating temperature range and moisture sensitivity level, ensure its reliability in diverse environments. For applications where legacy support and specific performance characteristics are crucial, the M29W040B90K1E continues to offer significant value.