The 27C256L-12DMB is a high-speed 256 Kilobit UV erasable and programmable read-only memory (EPROM) integrated circuit from the renowned manufacturer STMicroelectronics. This device offers a vast storage capability for firmware or software that requires quick and reliable access in various electronic applications.

Key Features

• Memory Capacity: The EPROM comes with a storage capacity of 256 Kbits, which equates to 32 Kilobytes of data storage. This allows for sufficient room to store boot code, system firmware, or other critical data that needs to be preserved even when power is lost.
• Access Time: With an access time of 120 ns (nanoseconds), the 27C256L-12DMB provides swift data retrieval, ensuring that systems using this memory can operate efficiently without significant delay when accessing stored code.
• Single 5V Power Supply: Operating on a single 5V power supply, this EPROM is designed for simplicity and ease of integration into a wide array of electronic systems, reducing the complexity and cost associated with power management.
• UV Erasable: The data stored in the EPROM can be erased with exposure to ultraviolet light, making it possible to reuse the chip after erasing the stored content. This feature is particularly useful for development and testing purposes, where data may need to be frequently updated or modified.
• Package Type: The device is encased in a 28-pin DIP (Dual In-line Package), which is widely used and easily integrated into standard PCB (Printed Circuit Board) layouts.
• Temperature Range: The 27C256L-12DMB is designed to operate over an extended temperature range, making it suitable for industrial applications that may experience varying environmental conditions.

Applications

The versatility of the 27C256L-12DMB EPROM makes it ideal for a broad spectrum of applications, including but not limited to:

• Embedded systems
• Microcontroller-based applications
• Computer BIOS storage
• Telecommunication devices
• Automotive control systems
• Industrial machinery

In conclusion, the STMicroelectronics 27C256L-12DMB EPROM is a reliable and flexible memory solution for storing critical data in a variety of electronic systems. Its combination of capacity, speed, and ease of use makes it an excellent choice for designers and engineers looking for a proven and robust storage option.