STMicroelectronics M27256-2F1 EPROM

The STMicroelectronics M27256-2F1 is a high-speed 256 Kbit EPROM, which stands for Erasable Programmable Read-Only Memory. This integrated circuit is designed to retain data without any power supply, making it ideal for storing firmware or software that rarely changes. The M27256-2F1 is a legacy component that has been used extensively in a wide range of applications, from personal computers and industrial control systems to automotive electronics and gaming consoles.

Key Features

• 256 Kbit (32KB) storage capacity
• Access time: 200 ns
• Single 5V power supply
• Extended temperature range: -40°C to 125°C
• Organized as 32,768 words by 8 bits
• UV erasable and electrically programmable
• Compatible with JEDEC standards for EPROM devices

Product Application

The M27256-2F1 is utilized in systems where long-term data storage is critical, and the need for data alteration is minimal or occurs during a controlled process. The device can be erased and reprogrammed by exposing the die to ultraviolet light, allowing for reuse and flexibility in development and testing stages. Its robustness and reliability make it suitable for harsh environments and applications where a stable memory solution is paramount.

Reliability and Quality

STMicroelectronics is known for its commitment to quality and reliability, and the M27256-2F1 EPROM is no exception. It is manufactured in compliance with the highest industry standards, ensuring consistent performance and durability. The extended temperature range makes it an excellent choice for applications that operate under extreme conditions.

Legacy Support

While newer memory technologies have emerged, the M27256-2F1 remains an important component for maintaining and repairing legacy systems that require this specific type of EPROM. Its continued availability supports a wide range of older equipment still in service across various industries.