The M27C256B-90C1 is a high-speed 256 Kbit EPROM (Erasable Programmable Read-Only Memory) manufactured by STMicroelectronics. This integrated circuit is designed to offer a flexible and reliable storage solution for applications that require data retention without power. It is particularly well-suited for use in embedded systems, microcontroller applications, and various electronic products that require firmware or data storage that can be updated.

Key Features

• Memory Size: 256 Kbits (32K x 8)
• Access Time: 90 ns
• Single 5V Power Supply: Ideal for standard 5V operating systems, minimizing the need for additional power regulation components.
• Programming Voltage: 12.75V ± 0.25V
• Extended Temperature Range: Operating temperatures ranging from -40°C to +125°C, making it suitable for industrial applications.
• Programming and Erasure Modes: Supports electrical programming and UV light erasure, providing flexibility in data management.

Product Applications

The M27C256B-90C1 is commonly used in a variety of applications, including:

• Embedded systems that require firmware storage
• Microcontroller-based applications
• Telecommunication devices
• Automotive electronics
• Industrial control systems
• Medical equipment

Reliability and Quality

STMicroelectronics is known for its commitment to quality and reliability. The M27C256B-90C1 EPROM is no exception, offering a stable and durable data storage solution. Each device undergoes rigorous testing to ensure it meets the highest standards of performance and longevity.

Package and Availability

The M27C256B-90C1 comes in a 28-pin Ceramic DIP (Dual In-line Package) which provides a robust physical housing for the chip, ensuring protection against environmental factors. This product is widely available through STMicroelectronics' distribution channels, and detailed datasheets are provided to assist designers and engineers in integrating this EPROM into their projects.