Microchip Technology AT28HC256E-12FM/883 EEPROM

The AT28HC256E-12FM/883 is a high-performance, 256K (32K x 8) parallel EEPROM designed by Microchip Technology, offering a robust storage solution for applications requiring data retention and quick access times. This military-grade EEPROM operates at a voltage range of 4.5V to 5.5V, making it a versatile choice for various demanding environments and applications.

With an access time of 120 ns, the AT28HC256E-12FM/883 provides rapid data retrieval, which is essential for high-speed microprocessors and can significantly improve the overall efficiency of a system. The EEPROM is organized as 32,768 words by 8 bits, allowing for a substantial amount of data storage in a compact IC package.

One of the key features of this device is its endurance. It is capable of withstanding up to 100,000 write cycles, ensuring a long lifespan even under frequent data changes. Additionally, data retention is rated at 10 years, offering a reliable non-volatile memory solution over an extended period.

The AT28HC256E-12FM/883 employs a parallel interface for communication, enabling quick and straightforward integration into existing systems. Its military-grade specification (883) indicates that it meets stringent quality and reliability standards, suitable for mission-critical applications where durability and consistent performance are non-negotiable.

For ease of use, the EEPROM features automatic word and byte write cycle timing, with no external high-voltage supply required for the write operation. The device also includes a hardware and software data protection scheme to prevent inadvertent writes, providing an additional layer of security for stored data.

Designed with versatility in mind, the AT28HC256E-12FM/883 is housed in a hermetically sealed ceramic package, ensuring protection against harsh conditions and making it ideal for aerospace, defense, and other high-reliability industries. Its temperature range of -55°C to +125°C guarantees stable operation across extreme temperature variations.

In summary, the AT28HC256E-12FM/883 from Microchip Technology is a durable, high-speed EEPROM that offers ample storage capacity, robust data protection features, and the reliability required for critical applications in challenging environments.