Product Specifications
Core Technical Specifications
- Part Number: XC18V04VQ44I
- Manufacturer: Xilinx Inc. (AMD)
- Memory Type: Configuration PROM/EEPROM
- Memory Density: 4 Megabits (4Mb)
- Memory Organization: 512K x 8-bit
- Package Type: 44-Pin VQFP (Very Thin Quad Flat Pack)
- Operating Voltage: 3.3V ยฑ10%
- Programming: In-System Programmable (ISP)
Electrical Characteristics
- Supply Voltage: 3.3V
- Operating Temperature Range: -40ยฐC to +85ยฐC (Industrial Grade)
- Access Time: 20ns typical
- Interface: Parallel/Serial configuration modes
- Programming Method: In-system programmable via JTAG
Physical Specifications
- Package: 44-Pin VQFP
- Pin Count: 44 pins
- Package Material: Plastic
- Lead-Free: RoHS Compliant
- Mounting Type: Surface Mount Technology (SMT)
Key Features
- Cascadable Design: Multiple XC18V04VQ44I devices can be cascaded for larger configuration storage
- Master Serial Mode Compatible: Works seamlessly with Xilinx FPGAs in Master Serial configuration mode
- Cost-Effective: Provides economical solution for FPGA configuration storage
- Flexible Programming: Supports both parallel and serial programming interfaces
- Wide Temperature Range: Industrial-grade temperature tolerance from -40ยฐC to +85ยฐC
Pricing Information
The XC18V04VQ44I pricing varies based on quantity, distributor, and current market conditions. As this component is now considered obsolete by the manufacturer, pricing is typically available through specialized distributors and surplus electronics suppliers.
Pricing Considerations:
- Volume Discounts: Available for bulk orders
- Lead Time: May vary due to obsolete status
- Availability: Limited stock through authorized distributors
- Quote-Based Pricing: Most suppliers require RFQ (Request for Quote) for current pricing
Note: Due to the obsolete status of the XC18V04VQ44I, it’s recommended to contact authorized distributors directly for current pricing and availability.
Documents & Media
Technical Documentation
- Official Datasheet: XC18V04VQ44I technical specifications and electrical characteristics
- Application Notes: FPGA configuration guidelines and best practices
- Programming Guide: In-system programming procedures and requirements
- Pin Configuration: Detailed pinout diagrams and signal descriptions
Design Resources
- Reference Designs: Example circuits and schematics
- Layout Guidelines: PCB design recommendations for optimal performance
- Timing Diagrams: Signal timing specifications for configuration operations
- Compatibility Matrix: FPGA device compatibility information
Software Tools
- Xilinx ISE Design Suite: Legacy design tools (for older designs)
- Xilinx Vivado: Current design environment (limited support)
- Programming Software: IMPACT or Vivado programming tools
- Configuration Files: Bitstream generation and formatting utilities
Related Resources
Compatible FPGA Families
The XC18V04VQ44I is compatible with various Xilinx FPGA families, including:
- Spartan Series: Spartan-II, Spartan-IIE, Spartan-3 families
- Virtex Series: Virtex, Virtex-E, Virtex-II families
- Other 3.3V FPGAs: Various legacy Xilinx FPGA devices
Alternative Solutions
- XC18V02VQ44I: 2Mb version for smaller configurations
- XC18V08VQ44I: 8Mb version for larger bitstreams
- Modern Alternatives: Flash-based configuration solutions for newer FPGAs
Development Tools
- Configuration Tools: Xilinx programming cables and adapters
- Evaluation Boards: Development platforms featuring configuration PROMs
- Programming Hardware: JTAG programmers and in-circuit emulators
Technical Support
- Application Engineering: Xilinx/AMD technical support resources
- Community Forums: FPGA development communities and discussion boards
- Training Materials: Configuration and programming tutorials
- Migration Guides: Transition paths to modern configuration solutions
Environmental & Export Classifications
Environmental Compliance
- RoHS Compliance: Fully compliant with RoHS (Restriction of Hazardous Substances) directive
- Lead-Free: Manufactured using lead-free processes and materials
- REACH Compliance: Compliant with European REACH regulation
- Conflict Minerals: Sourced in accordance with conflict minerals regulations
Quality Standards
- ISO Certification: Manufactured in ISO-certified facilities
- Quality Grade: Industrial temperature grade (-40ยฐC to +85ยฐC)
- Reliability Testing: Meets JEDEC standards for memory devices
- ESD Protection: Appropriate ESD handling procedures required
Export Classifications
- ECCN (Export Control Classification Number): Classified under US export control regulations
- Country of Origin: Manufacturing location varies by production lot
- Export Restrictions: Subject to applicable export control laws and regulations
- Documentation: Certificate of Origin available upon request
Environmental Impact
- Packaging: Recyclable materials used in packaging
- End-of-Life: Proper disposal methods recommended for electronic waste
- Energy Efficiency: Low-power operation reduces environmental impact
- Sustainability: Part of responsible electronics manufacturing practices
The XC18V04VQ44I represents a proven solution for FPGA configuration applications, offering reliable performance and industrial-grade specifications. While now obsolete, it remains a viable option for legacy system maintenance and specialized applications requiring its specific characteristics.
