AMD

XC18V04PC44I

XC18V04PC44I Description

The XC18V04PC44I is a high-performance 4Mb In-System Programmable (ISP) PROM from AMD, designed for configuring FPGA devices. Operating within a 3V to 3.6V supply range, this surface-mount memory IC is housed in a 44-pin PLCC package, making it suitable for compact and high-density PCB designs. Although marked as Obsolete, it remains a reliable solution for legacy systems requiring stable, non-volatile configuration storage. The device complies with ECCN 3A991B1B1 and is REACH Unaffected, ensuring adherence to international trade and environmental regulations. Its Moisture Sensitivity Level (MSL 3) indicates a 168-hour floor life after exposure to ambient conditions.

XC18V04PC44I Features

• In-System Programmable (ISP): Enables field updates without physical removal, reducing downtime.
• 3.3V Operation: Optimized for low-power FPGA systems, compatible with modern 3.3V logic families.
• 4Mb Memory Capacity: Sufficient for storing configuration bitstreams of mid-range FPGAs.
• Industrial Temperature Support: The "I" suffix denotes operation across industrial temperature ranges, ensuring reliability in harsh environments.
• PLCC Packaging: Robust 44-pin PLCC format balances space efficiency and ease of handling during assembly.
• Legacy Compatibility: Ideal for maintaining or upgrading older FPGA-based systems without redesigning the configuration interface.

XC18V04PC44I Applications

• FPGA Configuration: Primary use case for storing and loading configuration data into AMD/Xilinx FPGAs.
• Industrial Control Systems: Suitable for rugged applications due to its industrial temperature rating.
• Telecommunications Equipment: Provides reliable configuration storage in network hardware.
• Military/Aerospace Legacy Systems: Compliant with export controls (ECCN 3A991B1B1), making it viable for controlled environments.
• Prototyping & Development: Useful for engineers validating FPGA designs before transitioning to newer memory solutions.

Conclusion of XC18V04PC44I

The XC18V04PC44I is a specialized ISP PROM tailored for FPGA configuration, offering a balance of 3.3V operation, industrial durability, and legacy support. While obsolete, its 4Mb capacity, PLCC packaging, and compliance with trade regulations make it a pragmatic choice for maintaining or upgrading older electronic systems. Engineers working with AMD/Xilinx FPGAs in industrial, telecom, or aerospace applications will find it a dependable component, particularly where in-system reprogrammability is critical. For new designs, modern alternatives should be evaluated, but this device remains a viable option for specific use cases.