1. Product Specifications
Core Technical Specifications
Memory Configuration:
- Memory Capacity: 4 Megabits (512K x 8-bit organization)
- Memory Type: In-System Programmable Configuration PROM
- Technology: CMOS Flash memory technology
- Data Organization: 512,000 words ร 8 bits
Electrical Characteristics:
- Operating Voltage: 3.3V (3.0V to 3.6V range)
- Supply Current: Low power consumption design
- Access Time: 20ns maximum
- Operating Temperature Range: 0ยฐC to +70ยฐC (Commercial grade)
- Storage Temperature Range: -65ยฐC to +150ยฐC
Package Information:
- Package Type: 44-pin VQFP (Very thin Quad Flat Pack)
- Package Dimensions: 10mm ร 10mm footprint
- Pin Count: 44 pins
- Lead Type: Pb-free (RoHS compliant)
- Package Code: VQ44
Programming Features:
- Programming Interface: IEEE 1149.1 JTAG Boundary-Scan compatible
- In-System Programming: Full ISP capability
- Reprogrammability: Multiple program/erase cycles supported
- Configuration Modes: Master Serial, Slave Serial, Master SelectMAP, Slave Parallel, Slave SelectMAP
Performance Characteristics:
- Maximum Clock Frequency: Up to 66 MHz
- Data Transfer Rate: High-speed serial and parallel data access
- Endurance: 10,000 minimum program/erase cycles
- Data Retention: 20+ years at room temperature
2. Price
Current Market Pricing (June 2025)
Unit Pricing:
- Single Unit: $138.04 – $147.22 USD (varies by distributor)
- Small Quantity (1-9 pieces): Contact for quote
- Volume Pricing (100+ pieces): Significant discounts available
- Full Tray Quantity: 160 pieces per tray
Pricing Factors:
- Quantity breaks offer substantial cost savings
- Lead times may affect pricing
- Market demand influences current rates
- Authorized distributors provide competitive pricing
Cost-Effective Alternative: The XC18V04VQ44C provides excellent value for FPGA configuration applications, offering a balance of capacity, performance, and cost-effectiveness compared to alternative memory solutions.
3. Documents & Media
Official Documentation
Technical Resources:
- Official Datasheet: Complete technical specifications and electrical characteristics
- Application Notes: Implementation guidelines and best practices
- Programming Guide: Step-by-step programming instructions
- Design Reference: Integration examples and circuit diagrams
Software Tools:
- Xilinx Vivado Design Suite: Primary development environment
- ISE Design Tools: Legacy support for older designs
- Programming Software: JTAG programming utilities
- Configuration Tools: Bitstream generation and management
Support Materials:
- Pin Configuration Diagrams: Detailed pinout information
- Package Drawings: Mechanical specifications and dimensions
- Thermal Analysis: Power dissipation and thermal management
- Layout Guidelines: PCB design recommendations
Development Resources
Evaluation Platforms:
- Compatible with Xilinx development boards
- ZedBoard, Basys 3, and Nexys series integration
- Reference designs for common applications
- Starter kits and evaluation modules
4. Related Resources
Compatible FPGA Families
Xilinx FPGA Compatibility:
- Spartan Series: Spartan-3, Spartan-6 families
- Virtex Series: Various Virtex family devices
- Zynq Series: Zynq-7000 SoC compatibility
- Artix Series: Artix-7 FPGA integration
Alternative Products
XC18V Series Family:
- XC18V01VQ44C: 1-megabit capacity option
- XC18V02VQ44C: 2-megabit capacity option
- XC18V08VQ44C: 8-megabit higher capacity option
Package Variants:
- XC18V04PC44C: 44-pin PLCC package
- XC18V04SO20C: 20-pin SOIC package
- Different temperature grades: Industrial and extended options
Application Areas
Primary Applications:
- Telecommunications Equipment: Network infrastructure and communication systems
- Industrial Control Systems: Factory automation and process control
- Consumer Electronics: Set-top boxes, gaming consoles, digital displays
- Medical Devices: Diagnostic equipment and patient monitoring systems
- Automotive Electronics: Advanced driver assistance systems (ADAS)
- Aerospace and Defense: Avionics, radar systems, and secure communications
Design Considerations:
- FPGA configuration storage and boot management
- System reconfiguration and field upgrades
- Redundant configuration for critical applications
- Multi-boot scenarios and fallback configurations
5. Environmental & Export Classifications
Environmental Compliance
RoHS Compliance:
- RoHS Status: RoHS compliant (lead-free)
- Environmental Rating: Meets EU RoHS directive requirements
- Packaging Materials: Environmentally friendly packaging
- Recycling Information: Electronic waste disposal guidelines
Quality Standards:
- ISO Certification: Manufactured under ISO quality standards
- Reliability Testing: Extensive qualification and reliability testing
- Quality Assurance: Comprehensive testing and inspection procedures
Export and Trade Classifications
Export Control Information:
- ECCN Classification: Check current export control classification
- Country of Origin: Manufacturing location information
- Trade Compliance: Adherence to international trade regulations
- Documentation Requirements: Export/import documentation needs
Regulatory Approvals:
- CE Marking: European Conformity compliance
- FCC Compliance: US Federal Communications Commission approval
- UL Recognition: Safety certification status
- International Standards: Compliance with global safety and performance standards
Handling and Storage
Electrostatic Discharge (ESD) Precautions:
- ESD-sensitive component requiring proper handling
- Anti-static packaging and storage requirements
- Grounding procedures during installation and testing
Storage Conditions:
- Temperature and humidity control requirements
- Shelf life and storage duration recommendations
- Package integrity maintenance guidelines
Conclusion: The XC18V04VQ44C represents a reliable and versatile configuration memory solution for FPGA-based systems. With its 4-megabit capacity, in-system programmability, and robust 44-pin VQFP package, this device provides engineers with the flexibility and performance needed for modern electronic designs. Whether used in telecommunications, industrial control, or consumer electronics applications, the XC18V04VQ44C delivers consistent performance and long-term reliability.
For technical support, pricing inquiries, or additional product information, contact authorized AMD Xilinx distributors or visit the official AMD website.

