The RC28F256P33BFA is a 256-Megabit (Mb) Parallel NOR Flash memory device manufactured by Micron Technology Inc. This device is typically organized as either 32M x 8 bits or 16M x 16 bits, providing flexibility for different system architectures. It operates at 3V and is designed for embedded applications requiring non-volatile storage of code and data. The "P33BFA" likely refers to specific speed, voltage, and packaging characteristics.

Applications

• Embedded systems requiring non-volatile memory
• Networking equipment (routers, switches)
• Industrial control systems
• Automotive applications (ECUs, infotainment systems)
• Consumer electronics (e.g., set-top boxes, digital cameras)

Features

• Density: 256Mb (typically organized as 32M x 8 or 16M x 16)
• Interface: Parallel NOR Flash interface
• Supply Voltage: 3V operation
• Sector Erase Architecture: Enables efficient code updates and data management.
• Fast Page Mode: Supports high-speed data reads.
• Erase Suspend/Resume: Allows interruption of erase operations.
• Security Features: Block locking to protect critical code.
• Common Flash Interface (CFI): Standard interface for device identification and feature discovery.

Benefits

• High Density: Offers ample storage capacity for embedded applications.
• Fast Read Performance: Provides quick boot times and efficient code execution.
• Sector Erase: Allows for efficient updates of code and data.
• Security Features: Protects against unauthorized access and modification of critical code.
• Reliability: NOR Flash technology is known for its high reliability and data retention.
• Wide Operating Temperature Range: Suitable for various operating environments.
• Long-Term Availability: Micron is a reputable manufacturer with long product lifecycles.

Additional Details

The RC28F256P33BFA is a parallel NOR Flash memory device, allowing for direct access to any memory location. The sector erase architecture allows for selective erasure of individual sectors, minimizing erase times. Erase suspend/resume enables the system to pause and resume an erase operation, improving system responsiveness. Block locking prevents unauthorized writing to specific memory regions, protecting critical code. The Common Flash Interface (CFI) provides a standard way for the host system to identify the device and determine its capabilities.

For detailed technical specifications, including timing characteristics, package options, and environmental ratings, refer to the official Micron datasheet for the RC28F256P33BFA.