Microchip Technology AT27C256R-20JI EEPROM

The AT27C256R-20JI is a high-performance 256Kbit Parallel EEPROM developed by Microchip Technology, renowned for its reliability and ease of use. This robust memory chip is designed to offer a flexible and durable data storage solution for a wide range of applications across various industries.

Key Features:

• Density: The device offers a substantial storage capacity of 256 kilobits, which is organized as 32,768 words by 8 bits. This allows for the storage of large configurations, boot code, or other data-intensive information.
• Access Time: With an access time of 200 ns (nanoseconds), the AT27C256R-20JI provides swift read operations, making it suitable for high-speed microprocessors and could potentially reduce wait states in a system.
• Temperature Range: It operates effectively across an industrial temperature range, from -40°C to +85°C, ensuring reliability and performance even in extreme conditions.
• Package: The EEPROM comes in a 32-lead PLCC (Plastic Leaded Chip Carrier) package, which is known for its compact footprint and durability, making it ideal for space-constrained applications.
• Low Power Consumption: It is designed for low power consumption, with a typical standby mode current of 10 µA, which helps in extending the life of battery-powered devices.
• Programming Voltage: The programming voltage for this EEPROM is standard 5V, which is compatible with most existing systems without the need for additional voltage conversion.
• Write Protection: A feature that allows users to prevent accidental overwrite or erasure, ensuring the integrity of the stored data.

Applications:

The versatility of the AT27C256R-20JI makes it an ideal choice for a multitude of applications, including but not limited to embedded systems, automotive electronics, industrial control systems, telecommunications, and medical devices where reliable and non-volatile data storage is critical.

Conclusion:

Microchip Technology's AT27C256R-20JI EEPROM is a testament to their commitment to providing advanced memory solutions. Its combination of high-density storage, fast access time, robust temperature range, and low power consumption packaged in a durable PLCC makes it a valuable component for designers looking to enhance their systems with reliable and efficient non-volatile memory.