The PA28F400BX-T80 is a 4-Megabit (512K x 8/256K x 16) Flash Memory device manufactured by Intel. It's part of the Intel Boot Block Flash Memory family, designed for reliable storage of boot code and system firmware in embedded systems.

Applications:

• Embedded Systems
• BIOS Storage
• Networking Equipment
• Industrial Control Systems
• Telecommunications Equipment

Features:

• 4-Megabit (512K x 8/256K x 16) Organization: Provides adequate storage capacity for boot code and system firmware.
• 80 ns Access Time: Fast read times for quick system startup.
• Boot Block Architecture: Protects critical boot code from accidental erasure or modification.
• Sector Erase Capability: Allows for selective erasure of memory blocks for efficient memory management.
• Top Boot Configuration: The boot block is located at the top of the memory map.
• Extended Temperature Range: Operates reliably in a wide range of environmental conditions.

Benefits:

• Reliable Boot Code Storage: Boot Block architecture ensures the integrity of critical boot code.
• Fast System Startup: Fast access times enable quick system boot.
• Flexible Memory Management: Sector erase capability allows for efficient memory utilization.
• Easy Integration: Standard interface simplifies integration into embedded systems.
• Robust Performance: Designed for reliable operation in demanding environments.

Additional Details:

The PA28F400BX-T80 is a parallel flash memory device optimized for storing boot code and system firmware. The boot block architecture provides a secure area for storing critical system code, preventing accidental erasure or modification. The sector erase capability allows for selective erasure of memory blocks, which can improve memory utilization. The extended temperature range ensures reliable operation in harsh environments. Designers should consult the datasheet for detailed specifications, including timing parameters, power consumption, and packaging information. The T80 indicates the access time of 80ns. It's crucial to ensure compatibility with the target system's memory interface and boot requirements.