The AT25DF081A-SSH is an 8-Megabit Serial Flash Memory device from Atmel (now Microchip Technology). It features a Serial Peripheral Interface (SPI) for communication and is designed for a wide range of embedded applications requiring non-volatile storage.

Applications

• Firmware storage
• Data logging
• Configuration storage
• Embedded systems
• Networking devices

Features

• 8-Megabit (1024K x 8) Serial Flash Memory: Provides ample storage capacity for code and data.
• SPI Serial Interface: Enables easy interfacing with microcontrollers.
• Low Power Consumption: Ideal for battery-powered devices.
• High-Speed Operation: Supports clock frequencies up to 85 MHz.
• Sector Erase and Page Program: Allows for flexible memory management.
• Write Protection: Prevents accidental data modification.
• Small Package Options: Available in SOIC and other compact packages.
• Single 2.7V to 3.6V Supply: Simplifies power supply requirements.

Benefits

• Large Storage Capacity: The 8-Megabit capacity provides sufficient space for storing firmware, data, and other critical information.
• Easy Interface: The SPI interface simplifies integration with microcontrollers.
• Low Power Consumption: Extends battery life in portable devices.
• Fast Data Transfer: The high clock frequency enables quick read and write operations.
• Flexible Memory Management: Sector erase and page program features allow for efficient memory utilization.
• Data Security: Write protection mechanisms prevent unauthorized access and data corruption.
• Compact Size: Small package options minimize board space requirements.

Additional Details

The AT25DF081A-SSH supports standard SPI commands for reading, writing, and erasing data. It offers sector erase and page program operations for efficient memory management. The device includes hardware and software write protection mechanisms to prevent accidental data modification. The operating temperature range is typically -40°C to +85°C. Refer to the Microchip datasheet for detailed timing diagrams, electrical characteristics, and package dimensions.

The part number components include: AT25 (Serial Flash), DF081A (8Mbit density, 1.8V-5.5V), SSH (Package Type).