Microchip Technology

AT45DB321C-CNU  

Memory ICs Products

AT45DB321C-CNU Description

The AT45DB321C-CNU is a 32Mbit Flash memory IC designed by Microchip Technology, featuring a SPI (Serial Peripheral Interface) memory interface and a clock frequency of 40 MHz. This device is organized into 528 bytes per page across 8192 pages, providing a robust and efficient storage solution. The memory operates within a supply voltage range of 2.7V to 3.6V, ensuring compatibility with a wide range of electronic systems. The AT45DB321C-CNU is housed in an 8-CASON package, making it suitable for surface mount applications. Despite being marked as obsolete, this IC remains a reliable choice for specific legacy systems and applications.

AT45DB321C-CNU Features

• Memory Size and Organization: The AT45DB321C-CNU offers a total memory size of 32Mbit, organized into 528 bytes per page across 8192 pages. This configuration provides a balance between storage capacity and data management efficiency.
• High-Speed Operation: With a clock frequency of 40 MHz, this Flash memory IC ensures fast data transfer rates, making it suitable for applications requiring quick read and write operations.
• SPI Interface: The SPI memory interface allows for seamless integration with microcontrollers and other digital systems, facilitating easy communication and control.
• Low Power Consumption: Operating within a voltage range of 2.7V to 3.6V, the AT45DB321C-CNU is designed to be energy-efficient, making it ideal for battery-powered devices and low-power applications.
• Write Cycle Time: The write cycle time for a word or page is 15ms, providing a reliable and efficient data writing process.
• Surface Mount Packaging: The 8-CASON package is designed for surface mount technology, ensuring ease of integration into modern printed circuit boards (PCBs).
• Compliance and Standards: The AT45DB321C-CNU is REACH unaffected and ROHS3 compliant, meeting environmental and safety standards for electronic components.
• Moisture Sensitivity Level: With an MSL of 3 (168 Hours), the device is suitable for environments with moderate humidity, ensuring reliability and longevity.

AT45DB321C-CNU Applications

The AT45DB321C-CNU is ideal for a variety of applications where reliable and efficient data storage is required. Some specific use cases include:

• Embedded Systems: Ideal for embedded systems requiring non-volatile memory for firmware and data storage, such as microcontroller-based projects and IoT devices.
• Consumer Electronics: Suitable for consumer electronics where low power consumption and high-speed data access are critical, such as portable media players and smart home devices.
• Industrial Control Systems: Provides robust memory solutions for industrial control systems, ensuring data integrity and reliability in harsh environments.
• Telecommunications: Can be used in telecommunication equipment for storing configuration data and firmware, ensuring quick boot times and reliable operation.
• Medical Devices: Suitable for medical devices requiring non-volatile memory for storing patient data and device configurations, ensuring data integrity and compliance with medical standards.

Conclusion of AT45DB321C-CNU

The AT45DB321C-CNU is a versatile and reliable 32Mbit Flash memory IC, offering high-speed operation, efficient memory organization, and low power consumption. Despite being marked as obsolete, its technical specifications and performance benefits make it a suitable choice for legacy systems and specific applications where these features are crucial. The device's compliance with environmental and safety standards, along with its surface mount packaging, ensures ease of integration and reliability. For applications requiring robust and efficient data storage, the AT45DB321C-CNU remains a valuable option in the electronics industry.

AT45DB321C-CNU Documents

Download datasheets and manufacturer documentation for AT45DB321C-CNU

Datasheets :

AT45DB321C,D      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

HTML Datasheet :

AT45DB321C,D      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH