The M27256B12F1 is a high-speed, 256 Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) chip produced by STMicroelectronics. This device is a part of the M27 series, which has been designed to offer flexible and reliable non-volatile memory storage solutions for a wide range of applications.

Key Features

• Memory Size: 256 Kbit (32K x 8)
• Access Time: Fast access time with 120 ns
• Operating Voltage Range: 4.5V to 5.5V, making it suitable for operation with standard 5V power supplies
• Programming Voltage: 12.5V ± 0.25V
• Temperature Range: Operates within an extended temperature range, making it reliable for industrial applications
• Endurance: High cycling endurance with a minimum of 10,000 write cycles per byte
• Data Retention: Guarantees data retention for a minimum of 10 years, ensuring long-term data integrity
• Package: Available in a 28-pin DIP (Dual In-line Package), providing easy integration into various circuit designs

Applications

The M27256B12F1 EEPROM is ideal for applications that require data storage that can be electrically modified during the product's operational lifetime. Some of these applications include:

• Computer and computer peripheral memory backup
• Industrial controllers
• Medical equipment
• Automotive systems
• Telecommunication systems

Programming and Erasure

The device can be programmed and erased byte by byte, offering great flexibility for data management. It can be easily integrated into microcontroller-based systems, allowing for in-system programming and updates.

Quality and Reliability

STMicroelectronics is known for its commitment to quality and reliability. The M27256B12F1 EEPROM is manufactured with this in mind, ensuring that it meets the high standards expected from a leading semiconductor company.