STMicroelectronics M27C801-90FI: 8Mbit UV EPROM

The M27C801-90FI is a high-performance 8Mbit Ultraviolet Erasable Programmable Read-Only Memory (EPROM) manufactured by STMicroelectronics. This device offers a vast storage capacity of 8 megabits, organized as 1M x 8, which is ideal for applications that require large non-volatile memory storage with the flexibility to be reprogrammed and reused.

Key Features

• Access Time: The M27C801-90FI boasts a fast access time of 90ns, enabling quick read operations, which is critical for high-speed microprocessor systems.
• Single 5V Supply: This EPROM operates on a single 5V power supply, simplifying the power design for the overall system.
• Programming Voltage: A 12.5V programming voltage is required to write data to the M27C801-90FI, with programming time being typically 50µs per byte.
• UV Erasable: The data stored in the memory can be erased by exposing the die to ultraviolet light, making the device reusable after the erasure process.
• Package: It is available in a 32-lead Ceramic DIP package, which provides robustness and reliability suitable for industrial and commercial applications.

Applications

The M27C801-90FI is designed for use in a wide range of applications where large amounts of data need to be stored permanently until erased by UV light. Common applications include:

• Embedded systems
• Microprocessor systems
• Boot memory for computers and other electronic systems
• Storage for firmware or application code that may need periodic updates

Quality and Reliability

STMicroelectronics is known for its commitment to quality and reliability, and the M27C801-90FI is no exception. It is designed and manufactured to meet the high standards expected of industrial-grade components, ensuring stable and reliable performance across its lifespan.

Conclusion

The M27C801-90FI from STMicroelectronics presents an excellent solution for systems requiring a large, non-volatile memory with the ability to be reprogrammed. Its fast access time, single 5V supply operation, and UV erasability make it a versatile and practical component in various applications.