Microchip Technology AT28C256-20DM/883 EEPROM

The AT28C256-20DM/883 is a high-performance, 256K (32K x 8) Parallel EEPROM device designed and manufactured by Microchip Technology. It offers a fast access time of 200 ns, making it suitable for high-speed microprocessor systems. This nonvolatile memory module is widely used in a variety of military and aerospace applications due to its robustness and reliability under extreme conditions.

This EEPROM is organized as 32,768 words by 8 bits, allowing for a substantial amount of data storage. The AT28C256-20DM/883 is designed with Microchip's advanced nonvolatile CMOS technology, which provides a durable and low-power solution for data storage. The CMOS technology also ensures minimal power consumption during both active and standby modes, which is essential for power-sensitive applications.

One of the key features of this EEPROM is its parallel interface, which allows for simple and direct connections to microprocessors and other logic controllers. The device is also equipped with hardware data protection, featuring a write protect pin that ensures data integrity by preventing accidental data alteration during volatile conditions.

The AT28C256-20DM/883 operates over the military temperature range of -55°C to +125°C, which guarantees stable performance in environments that would compromise standard commercial components. Its package is hermetically sealed and designed to meet military specifications, ensuring that it can withstand harsh environmental conditions, including high levels of radiation.

In addition to its ruggedness, the device offers a long data retention period and high endurance, with the ability to endure one million write/erase cycles and maintain data for a minimum of ten years. This reliability makes it an excellent choice for critical and long-term applications.

For design engineers looking for a memory component that combines high speed, durability, and reliability, the AT28C256-20DM/883 from Microchip Technology is an ideal choice. It is well-suited for military-grade equipment, avionics, and any other systems that require a robust memory solution.

For more detailed specifications and application information, please refer to the official datasheet and product documentation provided by Microchip Technology.