The AT25DF041A is a 4-Mbit serial Flash memory device from Atmel (now Microchip Technology). It features a Serial Peripheral Interface (SPI) for communication, offering a flexible and efficient solution for non-volatile data storage in embedded systems. This memory is organized as 512 Kbytes and is designed for a wide range of applications requiring reliable storage and fast access times.

Applications

• Storing firmware in embedded systems
• Storing configuration data in industrial equipment
• Data logging in data acquisition systems
• Storing audio or image data in consumer electronics
• Boot code storage for microcontrollers

Features

• SPI interface: Compatible with standard SPI protocols.
• 4-Mbit Flash Memory: Organized as 512 Kbytes.
• Wide voltage operation: Operates from 2.7V to 3.6V.
• High-speed operation: Supports SPI clock frequencies up to 85 MHz.
• Sector erase capability: Allows for efficient data management.
• Page program: Enables fast data writing.
• Write protect feature: Prevents accidental data corruption.
• High reliability: Endurance of 100,000 program/erase cycles.
• Data retention: 20-year data retention.
• Small package options: Available in SOIC, TSSOP, and other packages.

Benefits

• Easy integration: SPI interface simplifies system design and reduces development time.
• Non-volatile memory: Data is retained even when power is removed.
• High speed: Fast read and write operations for efficient data access.
• Sector erase: Allows for flexible data management.
• Write protection: Prevents accidental data loss.
• Compact size: Saves valuable board space in space-constrained applications.

Additional Details

The AT25DF041A is designed to provide a reliable and high-performance non-volatile memory solution. Its SPI interface enables simple communication with various microcontrollers and other digital devices. The device features sector erase capability, allowing for selective erasure of data within specific memory regions. A write protect pin can be used to prevent accidental modification of the memory contents. The high endurance and data retention characteristics of the AT25DF041A make it suitable for applications that require frequent writing and long-term data storage. It is commonly used in embedded systems, industrial control, and consumer electronics applications. This Flash memory device offers quick erasure and programming operations for fast updates to system configurations.