The AT45DB041-TI is a 4-Megabit Serial DataFlash memory device manufactured by Atmel (now Microchip Technology). It combines a relatively large memory array with a simple serial interface, making it suitable for various embedded systems and data logging applications.

Applications

• Data Logging
• Audio Storage
• Embedded Systems
• Industrial Control
• Medical Devices
• Networking Equipment

Features

• 4-Megabit Density: Stores 4,194,304 bits of data.
• Serial Peripheral Interface (SPI): Uses a standard SPI interface for communication, reducing pin count.
• Dual I/O SPI: Supports Dual I/O SPI for faster data transfer rates.
• Two 256-Byte SRAM Buffers: Includes two SRAM buffers for buffering data during read and write operations.
• Page Erase and Write: Supports page erase and write operations for efficient memory management.
• Sector Architecture: Organizes memory into sectors for efficient data management.
• Software Data Protection: Implements software data protection mechanisms to prevent accidental data corruption.
• Low Power Consumption: Designed for low power operation, making it suitable for portable devices.

Benefits

• Efficient Storage: Provides non-volatile storage for data and code.
• Reduced Pin Count: SPI interface minimizes the number of pins required, simplifying board layout.
• Fast Data Transfer: Dual I/O SPI enhances data transfer rates.
• Easy Integration: Simple interface and programming make integration into systems straightforward.
• Data Protection: Prevents accidental data loss or corruption.
• Power Efficiency: Low power consumption extends battery life in portable applications.

Additional Details

The AT45DB041-TI typically operates from a single power supply voltage and over a specific temperature range. The SPI interface supports standard SPI modes and clock frequencies up to a specified maximum. Due to its end-of-life status, designers often consider more modern SPI flash memory alternatives. The device is generally used in applications where moderate storage capacity and relatively fast serial data access are required.