Renesas Electronics Corporation

AT45DB081D-SU

AT45DB081D-SU Description

The AT45DB081D-SU is a high-performance flash memory IC designed for a wide range of applications requiring reliable data storage and fast access speeds. Manufactured by Renesas Electronics Corporation, this 8Mbit flash memory device features a 66 MHz clock frequency and operates over a supply voltage range of 2.7V to 3.6V. It is organized into 264 bytes per page across 4096 pages, providing a robust and efficient memory structure. The AT45DB081D-SU employs the SPI (Serial Peripheral Interface) memory interface, ensuring compatibility with various microcontrollers and systems. This surface-mount device is housed in an 8SOIC package and is verified for DigiKey programmability. Despite being marked as obsolete, the AT45DB081D-SU remains a reliable choice for legacy systems and specific applications where its unique features are advantageous.

AT45DB081D-SU Features

• High-Speed Operation: With a clock frequency of 66 MHz, the AT45DB081D-SU ensures fast data transfer rates, making it suitable for applications requiring quick access to stored data.
• Efficient Memory Organization: The memory is organized into 264 bytes per page across 4096 pages, providing a balanced structure that optimizes both storage capacity and access speed.
• SPI Interface: The use of the SPI interface ensures seamless integration with a variety of microcontrollers and embedded systems, facilitating easy communication and control.
• Low Power Consumption: Operating within a voltage range of 2.7V to 3.6V, the AT45DB081D-SU is designed to minimize power consumption, making it ideal for battery-powered and portable devices.
• Fast Write Cycle Time: With a write cycle time of 4ms per word or page, the AT45DB081D-SU offers efficient data writing capabilities, reducing latency and improving overall system performance.
• Surface-Mount Technology: The surface-mount package type ensures easy integration into modern printed circuit boards (PCBs), supporting compact and reliable designs.
• Moisture Sensitivity Level (MSL) 1: The AT45DB081D-SU has an MSL rating of 1, indicating unlimited exposure to moisture, which enhances its reliability in various environmental conditions.

AT45DB081D-SU Applications

The AT45DB081D-SU is ideal for a variety of applications where reliable and efficient data storage is critical. Some specific use cases include:

• Embedded Systems: Ideal for microcontroller-based systems that require non-volatile memory for storing firmware, configuration data, and other critical information.
• Consumer Electronics: Suitable for devices such as digital cameras, MP3 players, and other portable electronics where compact size and low power consumption are essential.
• Industrial Automation: Can be used in industrial control systems for storing calibration data, operational parameters, and other critical information that needs to be retained even when power is off.
• Telecommunications: Applicable in communication devices and infrastructure for storing configuration data, firmware updates, and other essential information.
• Automotive: Useful in automotive systems for storing critical data such as vehicle configuration, diagnostic information, and firmware updates.

Conclusion of AT45DB081D-SU

The AT45DB081D-SU, despite being marked as obsolete, remains a reliable and efficient flash memory solution for various applications. Its high-speed operation, efficient memory organization, and low power consumption make it an ideal choice for embedded systems, consumer electronics, industrial automation, telecommunications, and automotive applications. The AT45DB081D-SU's unique features, such as its fast write cycle time and moisture sensitivity level 1 rating, provide additional advantages over similar models, ensuring its continued relevance in specific use cases. For designers and engineers looking for a proven and reliable flash memory solution, the AT45DB081D-SU is a viable option that offers robust performance and compatibility with modern systems.