STMicroelectronics

M27W401-80B6

M27W401-80B6 Description

The M27W401-80B6 is an EPROM (Erasable Programmable Read-Only Memory) IC manufactured by STMicroelectronics, a leading semiconductor company known for its high-quality and reliable memory solutions. This particular model is designed for applications requiring non-volatile memory with a parallel interface. The M27W401-80B6 features a memory organization of 512K x 8, providing a total memory size of 4 Mbit. It operates within a supply voltage range of 2.7V to 3.6V and has an access time of 80 ns, ensuring fast data retrieval.

The M27W401-80B6 is housed in a through-hole package, specifically a 32-pin DIP (Dual In-line Package), which is ideal for applications where physical space is not a critical constraint. The package is available in a tube format, making it suitable for bulk handling and storage. This memory IC is classified under the HTSUS code 8542.32.0061 and is compliant with the REACH and RoHS3 regulations, ensuring it meets environmental and safety standards.

M27W401-80B6 Features

• Memory Organization: The M27W401-80B6 is organized as 512K x 8, offering a total memory capacity of 4 Mbit. This organization provides a balance between addressability and data width, making it suitable for a variety of applications.
• Access Time: With an access time of 80 ns, the M27W401-80B6 ensures rapid data retrieval, which is crucial for applications requiring quick read operations.
• Voltage Range: The IC operates within a supply voltage range of 2.7V to 3.6V, providing flexibility in power supply design and compatibility with a range of systems.
• Package Type: The through-hole 32DIP package is robust and suitable for applications where physical durability and ease of installation are important.
• Compliance: The M27W401-80B6 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards, which is essential for global market compliance.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the M27W401-80B6 is suitable for environments with varying humidity levels, ensuring reliability and longevity.

M27W401-80B6 Applications

The M27W401-80B6 is ideal for applications requiring non-volatile memory with a parallel interface. Its 4 Mbit capacity and fast access time make it suitable for a variety of embedded systems, including:

• Industrial Control Systems: The robustness and reliability of the M27W401-80B6 make it ideal for industrial applications where memory integrity and quick data access are critical.
• Telecommunications Equipment: The fast access time and non-volatile nature of the EPROM ensure that critical data is quickly accessible and secure.
• Automotive Systems: The MSL rating and compliance with environmental standards make the M27W401-80B6 suitable for automotive applications where reliability and durability are paramount.
• Consumer Electronics: The M27W401-80B6 can be used in consumer electronics where non-volatile memory is required for storing firmware or critical data.

Conclusion of M27W401-80B6

The M27W401-80B6 is a reliable and efficient EPROM IC from STMicroelectronics, offering a balance of memory capacity, access speed, and compliance with industry standards. Its 512K x 8 memory organization and 80 ns access time make it suitable for a wide range of applications, from industrial control systems to consumer electronics. The through-hole 32DIP package ensures ease of installation and durability, while compliance with REACH and RoHS3 regulations ensures it meets global environmental and safety standards. Despite being marked as obsolete, the M27W401-80B6 remains a viable option for legacy systems and applications requiring non-volatile memory with a parallel interface.