Microchip Technology's AT45DB321D-MWU Flash Memory

The AT45DB321D-MWU from Microchip Technology is a high-performance 32-megabit DataFlash® memory device that combines the reliability and endurance of Flash storage with the innovative features and functionality that Microchip's products are known for. This particular model is designed for use in a wide array of applications, ranging from digital voice storage and image capture to data logging and smart card data storage.

One of the key features of the AT45DB321D-MWU is its flexible page size configuration. The memory is organized as 8192 pages of 512 or 528 bytes each, or 4096 pages of 1024 or 1056 bytes each, which allows for easy and efficient data management. This versatility makes it a suitable choice for designers who require adaptable memory architecture for their applications.

The device supports rapid serial peripheral interface (SPI) compatible protocols with clock frequencies up to 66 MHz, enabling high-speed data transfers. It also offers a low-power consumption feature that makes it ideal for portable and battery-operated devices. The AT45DB321D-MWU operates from a single 2.7V - 3.6V supply, providing a cost-effective solution for power-sensitive applications.

Additional features include sector protection to ensure the security of your data, programmable erase and write operations, and the ability to perform in-application reprogramming with minimal downtime. Its endurance of up to 100,000 write/erase cycles per page ensures long-term reliability, while the data retention is rated at a minimum of 20 years, offering peace of mind for applications where data integrity over time is crucial.

Microchip's AT45DB321D-MWU is available in an 8-lead SOIC (MW) package, which is both compact and easy to integrate into various design layouts. This, combined with its wide operating temperature range of -40°C to +85°C, makes it a robust and versatile choice for demanding environments.

In summary, the AT45DB321D-MWU is a feature-rich, high-density memory solution that delivers the performance and reliability expected from a leader in Flash technology, making it an excellent choice for designers looking to enhance their product with efficient and dependable data storage.