Overview

The AT45DB041 is a 4-megabit DataFlash memory device from Atmel (now Microchip Technology). It is a serial interface flash memory designed for low-power and compact data storage. The "-CC" suffix likely refers to a specific package type or temperature grade. It provides a cost-effective solution for applications requiring non-volatile storage with a relatively small memory footprint.

Applications

• Data logging in industrial and consumer applications.
• Storage of configuration data in embedded systems.
• Audio storage for portable audio players.
• Firmware storage for microcontrollers.
• Storing graphics and fonts for displays.

Features

• 4-megabit (524,288 x 8) memory array.
• Serial Peripheral Interface (SPI) for communication.
• Low power consumption.
• Page size: 256 bytes.
• Two SRAM data buffers, each 256 bytes.
• Internal program and erase cycles.
• Self-timed write cycle.
• Hardware and software data protection features.
• Sector Architecture: Uniform 4 KByte sectors.
• Endurance: 100,000 write cycles per page.

Benefits

• Non-volatile storage retains data without power.
• SPI interface simplifies integration with microcontrollers.
• Low power consumption extends battery life.
• SRAM buffers speed up data transfer and manipulation.
• Hardware and software protection prevents data corruption.
• Sector architecture allows for efficient data management.

Additional Details

The AT45DB041 utilizes an SPI interface, providing easy connectivity to a host microcontroller. Its internal SRAM buffers optimize write performance by allowing data to be stored temporarily before being written to the flash memory array. The device incorporates features to protect against accidental program or erase operations, ensuring data integrity. The 256-byte page size affects the granularity of write operations. The SPI modes supported determine the clocking polarity and phase used for communication. The operating voltage range is a crucial parameter for ensuring compatibility with the host system. The temperature range (indicated by the "-CC" suffix) specifies the acceptable operating temperature for the device. The Uniform Sector Architecture helps with memory management and efficiency when updating parts of the flash. The Endurance rating specifies the number of write cycles, the device will typically guarantee.