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AT45DB041B-RI

AT45DB041B-RI Description

The AT45DB041B-RI is a 4Mbit Flash memory IC designed by Microchip Technology, featuring a 264-byte x 2048-page memory organization. This device operates with a clock frequency of 20 MHz and interfaces via the SPI protocol, making it suitable for high-speed data transfer applications. The AT45DB041B-RI supports a supply voltage range of 2.7V to 3.6V, ensuring compatibility with a variety of power supply configurations. It is packaged in a 28-pin SOIC surface-mount package, which is ideal for compact and space-constrained designs. The device is housed in a tube package and has a moisture sensitivity level (MSL) of 2, indicating a 1-year shelf life under standard conditions.

AT45DB041B-RI Features

• Memory Organization: The AT45DB041B-RI offers a 264-byte x 2048-page memory organization, providing a total memory size of 4Mbit. This structure allows for efficient data storage and retrieval.
• High-Speed Operation: With a clock frequency of 20 MHz, the AT45DB041B-RI ensures fast data transfer rates, making it suitable for applications requiring quick read and write operations.
• SPI Interface: The device utilizes the SPI protocol for communication, which is widely used in embedded systems and microcontroller applications, ensuring compatibility and ease of integration.
• Write Cycle Time: The AT45DB041B-RI has a write cycle time of 14ms per page, enabling rapid data updates and modifications.
• Supply Voltage Range: The device operates within a supply voltage range of 2.7V to 3.6V, providing flexibility in power supply design and ensuring robust performance across various voltage levels.
• Surface-Mount Packaging: The 28SOIC surface-mount package is ideal for compact designs, allowing for efficient use of board space and facilitating high-density layouts.
• Moisture Sensitivity Level: With an MSL of 2 (1 year), the AT45DB041B-RI is suitable for long-term storage and can be safely used in environments with varying humidity levels.

AT45DB041B-RI Applications

The AT45DB041B-RI is well-suited for a variety of applications where high-speed data storage and retrieval are required. Some specific use cases include:

• Embedded Systems: Ideal for microcontroller-based systems where fast access to stored data is crucial. The SPI interface ensures seamless integration with microcontrollers and other embedded devices.
• Data Logging: The device's high-speed write capabilities make it suitable for applications that require frequent data logging, such as environmental monitoring systems and industrial control units.
• Consumer Electronics: The compact 28SOIC package and surface-mount design make the AT45DB041B-RI suitable for consumer electronics where space is at a premium, such as smartphones, tablets, and IoT devices.
• Automotive Applications: The robust performance and wide supply voltage range make the AT45DB041B-RI suitable for automotive applications, including infotainment systems and onboard diagnostics.

Conclusion of AT45DB041B-RI

The AT45DB041B-RI is a versatile 4Mbit Flash memory IC that offers high-speed data transfer capabilities, efficient memory organization, and a compact surface-mount package. Its 20 MHz clock frequency and SPI interface ensure compatibility with a wide range of embedded systems and microcontroller applications. The device's write cycle time of 14ms per page and wide supply voltage range further enhance its performance and flexibility. While the AT45DB041B-RI is now considered obsolete, its unique features and advantages make it an ideal choice for applications requiring reliable and efficient data storage solutions.