The RC28F640J3D75H is a 64-Megabit (Mb) Parallel NOR Flash memory device manufactured by Micron Technology Inc. This device is typically organized as either 8M x 8 bits or 4M 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 "J3D75H" likely refers to specific speed, voltage, and packaging characteristics within the J3 family.

Applications

• Embedded systems requiring non-volatile memory
• Networking equipment (routers, switches, modems)
• Industrial control systems
• Automotive applications (ECUs, instrument clusters)
• Consumer electronics (set-top boxes, printers)

Features

• Density: 64Mb (typically organized as 8M x 8 or 4M x 16)
• Interface: Parallel NOR Flash interface
• Supply Voltage: 3V operation
• Sector Erase Architecture: Facilitates efficient code updates and data management.
• Fast Page Mode: Supports high-speed data reads.
• Erase Suspend/Resume: Enables interruption of erase operations for system responsiveness.
• Security Features: Block locking to protect critical code.
• Common Flash Interface (CFI): Standard interface for device identification and feature discovery.

Benefits

• High Density: Provides ample storage capacity for embedded applications.
• Fast Read Performance: Enables quick boot times and efficient code execution.
• Sector Erase: Allows for efficient updates of code and data, minimizing write times.
• 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 known for long product lifecycles.

Additional Details

The RC28F640J3D75H 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 and wear. 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 from corruption. 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 RC28F640J3D75H.