The AT25SF041B-SSHB-B is a 4-Mbit Serial Flash memory device manufactured by Adesto Technologies. It is designed for low-power and space-constrained applications requiring non-volatile storage.

Applications

• Embedded systems: Storing firmware, configuration data, and user data in embedded devices.
• Industrial control: Storing program code and calibration data in industrial controllers.
• Consumer electronics: Used in set-top boxes, digital cameras, and other consumer devices.
• Networking equipment: Storing boot code and configuration settings in routers and switches.
• Medical devices: Storing patient data and device settings in medical instruments.

Features

• 4-Mbit (512 Kbyte) capacity: Provides ample storage for various data types.
• Serial Peripheral Interface (SPI): Allows for simple and efficient communication with microcontrollers.
• Single 2.3V to 3.6V supply: Operates over a wide voltage range for compatibility with different systems.
• Low power consumption: Minimizes energy usage in battery-powered applications.
• Small Serial Package: The SSHB package saves board space.

Benefits

• Non-volatile storage: Retains data even when power is removed.
• Easy integration: Simplifies system design with its SPI interface.
• Low power operation: Extends battery life in portable devices.
• Compact size: Allows for use in small form factor applications.
• Reliable performance: Ensures data integrity and long-term storage.

Additional Details

The AT25SF041B-SSHB-B utilizes a standard SPI interface, supporting modes 0 and 3. It features a page program operation, allowing for writing up to 256 bytes at a time. The device offers features such as software write protection and a deep power-down mode for further reducing power consumption. The operating temperature range is typically -40°C to +85°C, making it suitable for a wide range of environments. Adesto Technologies, now part of Dialog Semiconductor, is a reputable manufacturer known for its non-volatile memory solutions. Refer to the Adesto datasheet for precise specifications and timing diagrams.