The Adesto Technologies AT25DF041A-MH-T is a 4-Megabit Serial Flash memory device, offering a versatile storage solution for a variety of applications. Utilizing a standard Serial Peripheral Interface (SPI), it enables easy integration with microcontrollers and other embedded systems. The non-volatile nature of the flash memory ensures reliable data retention, even in the absence of power.

Applications:

• Storing configuration settings in embedded systems.
• Data logging in industrial control and monitoring equipment.
• Storing program code for microcontrollers.
• Storing audio or image data in consumer electronics.
• Firmware updates in electronic devices.

Features:

• 4-Megabit (512K x 8) memory organization.
• Standard Serial Peripheral Interface (SPI).
• Low power consumption for battery-powered applications.
• Sector Erase and Page Program operations.
• Hardware and software write protection mechanisms.

Benefits:

• Cost-effective memory solution for embedded systems.
• Simplified integration with microcontrollers via SPI interface.
• Extended battery life due to low power operation.
• Robust data storage with non-volatile flash technology.
• Prevention of accidental data corruption through write protection features.

The AT25DF041A operates from a single power supply voltage, typically ranging from 2.7V to 3.6V. It supports SPI clock frequencies up to a specified maximum, which should be considered when interfacing with the microcontroller. The device is available in various package options, like SOIC, allowing for flexibility in PCB design. Refer to the Adesto Technologies datasheet for detailed electrical characteristics, timing diagrams, and package dimensions.

The AT25DF041A family is a popular choice where low power consumption, ease of use, and reliable non-volatile storage are essential requirements. Its SPI interface and sector/page-based architecture make it ideally suited for embedded systems with limited resources and power constraints.