Microchip Technology AT27C256R-15DI EEPROM

The AT27C256R-15DI is a high-performance 256K EPROM (Erasable Programmable Read-Only Memory) chip from Microchip Technology, renowned for its reliability and versatility in a wide range of applications. This particular model is designed to offer a substantial amount of non-volatile storage, allowing devices to retain data even when power is removed. It is an ideal choice for applications that require data or code storage, such as boot code storage, firmware updates, and configuration parameters for various electronic systems.

This EEPROM provides a storage capacity of 256 kilobits and is organized as 32K x 8, meaning it can store up to 32,768 8-bit values. It features a fast access time of 150 nanoseconds, which is critical for high-speed microprocessors and enables efficient read operations. The AT27C256R-15DI operates from a single 5V power supply, making it compatible with many standard microcontrollers and digital systems.

The AT27C256R-15DI is available in a robust 28-pin DIP (Dual In-line Package) that is through-hole mounted, ensuring easy integration into a variety of circuit boards. Its DIP form factor is particularly favored in prototyping and educational environments where ease of handling and soldering is important.

For programming, the device supports a two-line control function to simplify the use of multiple memory devices on the same bus, and it can be programmed with industry-standard EPROM programmers. The AT27C256R-15DI also boasts a high programming reliability, with a programming voltage (VPP) of 12.5V ± 0.5V.

One of the key features of the AT27C256R-15DI is its endurance. The device has a data retention period of 10 years and is capable of withstanding up to 100 full programming and erasure cycles. This makes it a reliable choice for long-term applications where data integrity is paramount.

Overall, the AT27C256R-15DI from Microchip Technology is an exceptional choice for designers looking for a reliable and high-speed EPROM solution. Its combination of fast access time, programming versatility, and data retention capabilities make it suitable for a plethora of applications across various industries.