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AT45DB321B-CI

AT45DB321B-CI Description

The AT45DB321B-CI is a high-performance Flash memory IC chip designed by Microchip Technology. This 32Mbit Flash memory device is organized into 528 bytes x 8192 pages, offering a robust solution for various memory-intensive applications. The AT45DB321B-CI operates at a clock frequency of 20 MHz and interfaces with systems via the SPI (Serial Peripheral Interface) protocol. It is designed for surface-mount applications, making it suitable for compact and high-density PCB. designs The memory chip operates within a supply voltage range of 2.7V to 3.6V, ensuring compatibility with a wide range of power supplies.

AT45DB312B-CI Features

• Memory Size and Organization: The AT45DB321B-CI offers a substantial 32Mbit memory size, organized into 528 bytes x 8192 pages. This configuration provides a balance between memory capacity and data management efficiency.
• High-Speed Operation: With a clock frequency of 20 MHz, the AT45DB321B-CI ensures fast data transfer rates, making it suitable for applications requiring rapid data processing.
• SPI Interface: The Serial Peripheral Interface (SPI) allows for efficient communication with microcontrollers and other system components, simplifying integration into various electronic systems.
• Surface-Mount Technology: The surface-mount package type facilitates high-density PCB layouts, making it ideal for compact and space-constrained designs.
• Wide Voltage Range: Operating within a supply voltage range of 2.7V to 3.6V, the AT54DB321B-CI is compatible with a variety of power supply configurations, enhancing its versatility.
• Write Cycle Time: The write cycle time of 14ms per word or page ensures efficient data writing operations, contributing to the overall performance of the memory system.
• Moisture Sensitivity Level: With an MSL of 3 (168), hours the AT45DB321B-CI is designed to withstand typical manufacturing environments, reducing the risk of moisture-related failures.

AT45DB321B-CI Applications

The AT45DB321B-CI is well-suited for a variety of applications that require reliable and efficient Flash memory solutions. Some specific use cases include:

• Embedded Systems: Ideal for microcontroller-based systems where fast data access and storage are critical.
• Consumer Electronics: Suitable for devices that require non-volatile memory for firmware storage and data logging.
• Industrial Control Systems: Provides robust memory solutions for industrial applications where reliability and performance are paramount.
• Telecommunications: Can be used in communication devices for storing configuration data and firmware updates.
• Automotive Electronics: Offers a reliable memory solution for automotive systems, where data integrity and performance are crucial.

Conclusion of AT45DB321B-CI

The AT45DB321B-CI from Microchip Technology is a versatile and high-performance Flash memory IC chip. Its 32Mbit capacity, organized into 528 bytes x 8192 pages, combined with a 20 MHz clock frequency and SPI interface, makes it an excellent choice for a wide range of applications. The surface-mount package and wide voltage range further enhance its suitability for compact and versatile. designs Despite being marked as obsolete, the AT45DB321B-CI remains a reliable option for applications requiring efficient and robust Flash memory solutions.