Microchip Technology's AT45DB321D-CU Flash Memory

The AT45DB321D-CU is a high-performance 32-megabit DataFlash® memory chip from Microchip Technology, designed to cater to a broad range of applications that demand reliable and flexible non-volatile memory storage. This device is part of the renowned AT45 series, known for its efficient serial interface, low power consumption, and industry-standard SPI compatibility.

Key Features

• Capacity: The AT45DB321D-CU boasts a storage capacity of 32 megabits, organized as 8192 pages of 512 bytes or 528 bytes each, providing ample space for firmware storage, configuration parameters, or data logging.
• Serial Interface: Equipped with a Serial Peripheral Interface (SPI), the device ensures fast data transfer rates, making it suitable for high-speed applications while maintaining a low pin count.
• Flexible Page Sizes: Users can choose between standard 512-byte pages and 528-byte pages with extra bytes for error correction codes, offering versatility in data management.
• Low Power Consumption: The AT45DB321D-CU is designed for energy-sensitive applications, featuring low-power operation that extends the battery life of portable devices.
• Rapid Program and Erase: It provides quick page programming and erase capabilities, enabling efficient updates and changes to stored data.
• Enhanced Data Protection: The chip includes hardware and software data protection features, ensuring the integrity and security of the stored data.

Applications

The AT45DB321D-CU is versatile and can be used in various applications, including:

• Portable consumer electronics
• Internet of Things (IoT) devices
• Digital cameras and audio devices
• Medical devices
• Industrial control systems

Product Specifications

The AT45DB321D-CU operates over a voltage range of 2.7V to 3.6V and is available in an 8-lead CASON (JEDEC MO-229) package, which is both space-saving and suitable for PCBs with limited real estate. Its industrial temperature range of -40°C to 85°C ensures reliable performance under harsh environmental conditions.

With its robust feature set and proven reliability, the AT45DB321D-CU from Microchip Technology is an excellent choice for designers looking to integrate a high-quality flash memory solution into their next project.