The AT25DF041A-SSHF is a 4-Mbit Serial Flash memory device from Microchip (formerly Atmel), featuring a Serial Peripheral Interface (SPI) for accessing the memory. It is designed for systems requiring non-volatile storage in a small package.

Applications

• Code storage for microcontrollers
• Data logging
• Storage of configuration settings
• Embedded systems
• Industrial and consumer electronics

Features

• 4-Mbit (512K x 8) organization
• High-Speed SPI Interface: Up to 85MHz
• Single Supply Voltage: 2.7V to 3.6V
• Page Program (256 Bytes)
• Sector Erase (4KB), Block Erase (64KB), Chip Erase
• Software Write Protection
• Low Power Consumption
• Endurance: 100,000 Program/Erase Cycles
• Data Retention: 20 Years
• Packages: SOIC, TSSOP, and others

Benefits

• Fast data transfer rates through the SPI interface.
• Flexible erase options for efficient memory management.
• Software write protection to prevent accidental data modification.
• Low power consumption suitable for portable devices.
• Compact package options for space-constrained applications.

Technical Specifications

The AT25DF041A-SSHF operates from a single supply voltage of 2.7V to 3.6V. The SPI interface supports clock frequencies up to 85 MHz. The operating temperature range is typically -40°C to +85°C. It features software write protection, page program operations, and sector/block/chip erase capabilities. The device guarantees a minimum of 100,000 program/erase cycles and a data retention of 20 years. It is available in various packages, including SOIC and TSSOP.