Microchip Technology AT27C256R-55LC EEPROM

The AT27C256R-55LC is a high-performance 256K EPROM (Erasable Programmable Read-Only Memory) chip developed by Microchip Technology. It is well-suited for applications that require storage of large firmware code or data that does not change frequently. The device offers a generous 256 kilobits of memory, providing ample space for system boot code, user menus, or even entire operating systems in embedded applications.

This EPROM operates with a fast access time of 55 nanoseconds, which allows for quick data retrieval, enhancing the performance of microcontroller-based systems. The AT27C256R-55LC is designed to be used in a wide range of industrial, commercial, and consumer products where reliable and durable non-volatile memory storage is essential.

One of the key features of this device is its low-power consumption, making it an excellent choice for portable and battery-powered devices where power efficiency is critical. The AT27C256R-55LC operates within a voltage range of 4.5V to 5.5V, providing compatibility with most 5V systems and ensuring easy integration into existing designs.

The AT27C256R-55LC comes in a 32-lead PLCC (Plastic Leaded Chip Carrier) package, which is known for its durability and resistance to physical stress, as well as its capability to dissipate heat effectively. This packaging makes the chip suitable for high-reliability environments and applications that may be subject to varying temperatures and mechanical disturbances.

Programming the AT27C256R-55LC is straightforward, thanks to its industry-standard programming algorithm. It can be erased and reprogrammed with the standard UV light source, providing flexibility and reuse during the development phase and beyond. The device also features data retention that is rated for a minimum of 10 years, ensuring the preservation of data over an extended period.

In summary, the Microchip Technology AT27C256R-55LC EPROM is a robust, reliable, and versatile memory solution that provides quick access times, low power consumption, and a standard package for easy integration. Whether for industrial control systems, telecommunications, or consumer electronics, this EPROM chip is an excellent choice for maintaining the integrity of your digital solutions.