The AT25DF021-SSH is a 2-Mbit Serial Flash memory device manufactured by Microchip Technology (formerly Atmel). It features a Serial Peripheral Interface (SPI) for easy integration with microcontrollers and other digital systems, offering reliable storage for code and data.

Applications

• Embedded Systems: Stores program code, configuration data, and firmware in embedded systems.
• Data Logging: Records sensor data, event logs, and other time-sensitive information.
• Audio Storage: Stores audio files and voice recordings in portable audio devices.
• Industrial Control: Holds system parameters, calibration data, and control algorithms.
• Consumer Electronics: Used in various consumer products to store settings, preferences, and other persistent data.

Features

• SPI Interface: Uses the standard SPI interface, allowing for easy communication with a wide range of microcontrollers.
• Single 2.7V to 3.6V Supply: Operates over a wide voltage range.
• Page Program (256 Bytes per Page): Allows for efficient and fast data programming.
• Sector Erase (4KB), Block Erase (64KB): Provides flexible erase options.
• Low Power Consumption: Offers low power consumption during operation and standby.

Benefits

• Non-Volatile Storage: Provides reliable non-volatile memory storage, ensuring data retention even when power is removed.
• Easy Integration: Simplifies system design with its standard SPI interface and flexible operating voltage.
• Fast Data Transfer: Enables quick data reads and writes, enhancing system performance.
• Low Power Consumption: Minimizes power consumption, extending battery life in portable devices.
• Flexible Erase Options: Offers various erase options, providing flexibility in data management.

Technical Specifications

The AT25DF021-SSH Serial Flash memory operates within a temperature range of -40°C to +85°C. It comes in a variety of package options, including SOIC, TSSOP, and WSON.