The M27W401-80B6 is a high-performance 4Mbit (1M x 4) UV EPROM from STMicroelectronics, renowned for its reliability and versatility in various applications. This product is designed to cater to a wide range of data storage and firmware applications, where long-term data retention and multiple program/erase cycles are essential.

Key Features

• Memory Capacity: The device offers a substantial 4 megabit of storage capacity, organized as 1 million words by 4 bits, which is ideal for storing boot code, firmware, or other critical data that requires non-volatility.
• Access Time: With an access time of 80ns, the M27W401-80B6 ensures swift data retrieval, contributing to the overall performance efficiency of the systems it is integrated with.
• Programming Voltage: The programming voltage of 12.75V ± 0.25V is standardized for UV EPROM technology, making it compatible with common programming equipment and simplifying the design process.
• Single 5V Supply: Operating on a single 5V power supply, this device simplifies power management within electronic systems, reducing the complexity of power supply design.
• Package: It comes in a 32-pin Ceramic DIP (Dual In-line Package), which provides robust physical protection and reliable connectivity for the integrated circuit.
• UV Erasable: The UV erasable window allows for the complete erasure of the stored data using ultraviolet light, enabling the device to be reused and reprogrammed as required.

Applications

The M27W401-80B6 is suitable for a variety of applications that require a dependable non-volatile memory solution. It is commonly used in:

• Embedded systems
• Telecommunication devices
• Automotive electronics
• Industrial control systems
• Consumer electronics

Quality and Reliability

STMicroelectronics is committed to delivering high-quality products. The M27W401-80B6 is manufactured under stringent quality control measures, ensuring high reliability and performance consistency. It is designed to withstand harsh environments and maintain data integrity over an extended period.

Support and Resources

Customers can access comprehensive technical support and resources for the M27W401-80B6, including datasheets, application notes, and programming guides, through the STMicroelectronics website.