The AT45DB321C is a 32-megabit, 2.7-volt only, serial interface Flash memory ideally suited for a wide variety of digital voice, image, program code, and data storage applications. It supports the Serial Peripheral Interface (SPI) for frequencies up to 66 MHz. Its 512-byte page size allows large data transfers and efficient memory utilization. The device also features an on-chip erase/program controller for single byte or multi-byte operations.

Applications:

• Data storage in embedded systems
• Digital voice recorders
• Image storage
• Program code storage
• Data logging

Features:

• 32-Megabit capacity: Provides ample storage for various data types.
• 2.7V Only Operation: Simplifies power supply requirements and reduces system cost.
• SPI Interface: Reduces pin count and simplifies board layout.
• Up to 66 MHz Clock Frequency: Enables high-speed data transfer.
• 512-byte Page Size: Improves data transfer efficiency.
• On-Chip Erase/Program Controller: Simplifies programming and erasing operations.

Benefits:

• High-speed data transfer for demanding applications.
• Simplified system design due to low voltage operation.
• Cost-effective solution for serial Flash memory applications.
• Efficient memory utilization with the page size.
• Reduced development time with the on-chip erase/program controller.

Additional Details:

The AT45DB321C is available in a variety of packages including SOIC and VSOP. It supports multiple protection features, including software and hardware write protection, to prevent accidental data corruption. The device includes two SRAM data buffers, allowing continuous data streaming. It is designed for applications where the memory is frequently written and erased. It's operating temperature range is -40°C to +85°C making it suitable for industrial environments.