The STMicroelectronics M27C256B-90B1 is a 256 Kbit (32Kb x 8) UV erasable and programmable read-only memory (EPROM) device. This high-performance EPROM features a 90 ns access time, making it suitable for high-speed applications that require reliable and durable non-volatile memory storage.

Key Features

• Memory Capacity: 256 Kbit (32Kb x 8)
• Access Time: 90 ns
• Programming Voltage: 12.75V ± 0.25V
• Single 5V Power Supply: Ensures low power consumption and compatibility with standard digital circuits.
• UV Erasable: The memory content can be erased by exposure to ultraviolet light, allowing the device to be reprogrammed multiple times.
• Extended Temperature Range: Operating temperature range from -40°C to +125°C.
• ESD Protection: Enhanced Electrostatic Discharge (ESD) protection ensures device integrity during handling and operation.
• Package: Available in a 28-pin CERDIP package, providing robust physical protection and reliable connectivity.

Applications

The M27C256B-90B1 is an ideal solution for applications where long-term data storage is critical, and the possibility to update the programming is required. Its applications span across various fields such as:

• Embedded Systems
• Automotive Electronics
• Industrial Control Systems
• Telecommunication Infrastructure
• Medical Devices

Quality and Reliability

STMicroelectronics is renowned for its commitment to quality and reliability, and the M27C256B-90B1 is no exception. Manufactured with the stringent process controls and extensive testing, this EPROM offers a dependable solution for storing firmware, calibration data, and application code in a wide array of electronic products.

Ordering Information

For ordering, use the full part number M27C256B-90B1 to ensure the correct device variant is provided. For detailed product specifications, technical documentation, and support, visit the STMicroelectronics website or contact your local authorized distributor.