Microchip Technology AT27C256R-45PC Overview

The AT27C256R-45PC is a high-performance 256K EPROM (Erasable Programmable Read-Only Memory) chip from Microchip Technology, renowned for its reliability and versatility in various applications. This particular model offers a substantial 256 kilobits of memory, providing ample space for firmware storage, boot code, and other read-only data in embedded systems.

Key Features

• Memory Size: The device contains 256 kilobits (32K x 8) of memory, which is accessible in an organized 8-bit format, making it ideal for storing large codebases or data sets.
• Access Time: With an impressive access time of 45ns, the AT27C256R-45PC allows for rapid data retrieval, ensuring that performance-critical applications can operate efficiently without delay.
• Single 5V Power Supply: The chip operates on a single 5V power supply, which is typical for TTL environments, making it easy to integrate into existing systems without the need for additional power components.
• Low Power Consumption: It features low power consumption in standby mode, which is crucial for battery-powered or energy-saving applications.
• Programming: The EPROM can be electrically erased and reprogrammed, allowing developers to update firmware or make changes to the system without replacing the chip.
• Package Type: The AT27C256R-45PC comes in a 28-pin DIP (Dual In-line Package), which is widely used and easy to handle for PCB (Printed Circuit Board) designs and prototyping.
• Temperature Range: This device is designed to operate within an industrial temperature range, making it suitable for use in environments that experience extreme conditions.

Applications

The versatility of the AT27C256R-45PC makes it an excellent choice for a broad range of applications. It is commonly used in:

• Embedded systems for storing application code
• Telecommunication devices
• Automotive electronics
• Industrial control systems
• Medical devices
• Consumer electronics

With its robust design and flexible usage, the Microchip Technology AT27C256R-45PC EPROM is an essential component for developers looking to incorporate a reliable memory solution into their designs.