PA28F400-SMD, 4-Mbit (512K x 8 / 256K x 16) SmartVoltage Boot Block Flash Memory, SOP-44

The PA28F400-SMD is a 4-Mbit SmartVoltage Boot Block Flash Memory developed by Intel. It offers flexible memory configurations of 512K x 8-bit or 256K x 16-bit, catering to a wide range of applications requiring reliable non-volatile storage.

Utilizing Intel's SmartVoltage Technology, this flash memory supports both 5V and 12V programming/erasing voltages, as well as 3.3V or 5V read operations, enhancing its adaptability to various system requirements. The 80ns access time at 5V ensures rapid data access, making it suitable for high-performance computing needs.

The memory architecture includes a 16-KB protected boot block, two 8-KB parameter blocks, and 96-KB and 128-KB main blocks, providing an optimized structure for storing boot code and parameters. The Command User Interface (CUI) and Status Registers facilitate automated program and erase operations, simplifying system design and control.

Designed with energy efficiency in mind, the PA28F400-SMD consumes a maximum of 60 mA during read operations at 5V and 30 mA at 3.3V, making it ideal for battery-powered applications. The SOP-44 package ensures easy integration into various hardware configurations.

• 4-Mbit Flash Memory: Organized as 512K x 8-bit or 256K x 16-bit, providing flexible non-volatile storage options.
• SmartVoltage Technology: Supports 5V or 12V programming/erasing and 3.3V or 5V read operations, enhancing compatibility across various systems.
• Fast Access Time: Offers an 80ns access time at 5V, ensuring quick data retrieval for high-performance applications.
• Boot Block Architecture: Features a 16-KB protected boot block, two 8-KB parameter blocks, and 96-KB and 128-KB main blocks, optimizing memory organization for boot and parameter storage.
• Automated Program and Erase: Includes a Command User Interface (CUI) and Status Registers for simplified control and monitoring of program/erase operations.
• Low Power Consumption: Designed for energy efficiency, with a maximum 60 mA read current at 5V and 30 mA at 3.3V, suitable for battery-powered devices.