1. Product Specifications
Core Technical Specifications
- Part Number: XC18V04-VQG44C
- Manufacturer: Xilinx (AMD)
- Memory Type: Configuration PROM for FPGAs
- Memory Capacity: 4 Megabits (4M-bit)
- Architecture: Parallel/Serial PROM
- Operating Voltage: 3.3V
- Package Type: 44-Pin VQFP (Very Thin Quad Flat Pack)
- Programming: In-System Programmable (ISP)
- Configuration Interface: Serial
Key Features
- In-System Programmability: Allows configuration updates without removing the device from the board
- Cascadable Design: Multiple XC18V04-VQG44C devices can be daisy-chained using CEO (Chip Enable Output) to CE (Chip Enable) connections
- Cross-Platform Compatibility: Compatible with XC18V family and XC17V00 one-time programmable serial PROM family
- Reliable Configuration Storage: Provides secure bitstream storage for Xilinx FPGAs
- Fast Configuration: Optimized for quick FPGA startup and configuration loading
Electrical Characteristics
- Supply Voltage (VCC): 3.3V ยฑ5%
- Operating Temperature Range: Commercial grade (0ยฐC to +70ยฐC)
- Configuration Clock Frequency: Up to 50 MHz (typical)
- Programming Voltage: Single 3.3V supply
- Data Retention: 20+ years at 85ยฐC
- Program/Erase Cycles: 10,000+ cycles minimum
Physical Specifications
- Package: 44-Pin VQFP
- Package Dimensions: 10mm x 10mm x 1.4mm (typical)
- Pin Pitch: 0.8mm
- Lead Count: 44 leads
- Mounting: Surface Mount Technology (SMT)
2. Price Information
Current Market Pricing (2025)
Quantity-Based Pricing Structure:
- 1-9 units: Request quote from authorized distributors
- 10-99 units: Contact sales for volume pricing
- 100+ units: Significant volume discounts available
- 1000+ units: Custom pricing and lead times
Authorized Distributors:
- DigiKey: Stock availability with same-day shipping
- Mouser Electronics: Competitive pricing with technical support
- Jotrin Electronics: Global distribution with 365-day warranty
- FPGAkey: Real-time pricing and inventory monitoring
- Sahin Electronic: European distribution hub
Price Factors:
- Market demand fluctuations affect real-time pricing
- Lead times may vary from 2-12 weeks depending on stock levels
- Volume pricing available for production quantities
- Contact authorized distributors for current pricing and availability
Cost Considerations:
- Programming services available through DigiKey custom department
- Consider total cost of ownership including programming and handling
- Volume commitments may qualify for preferential pricing
3. Documents & Media
Official Documentation
- Datasheet: DS026 – XC18V04 In-System Programmable Configuration PROMs
- Product Guide: Complete technical specifications and electrical characteristics
- Application Notes: AN822 – Using Configuration PROMs with Xilinx FPGAs
- Pin Diagram: Detailed pinout and function descriptions
- Programming Guide: ISP programming procedures and requirements
Design Resources
- Reference Designs: Example schematics for FPGA configuration
- Layout Guidelines: PCB design recommendations for optimal performance
- Timing Diagrams: Configuration sequence and timing specifications
- Compatibility Matrix: Supported FPGA families and configuration modes
Software Tools
- Xilinx Vivado Design Suite: Primary development environment
- iMPACT Programming Tool: Configuration and programming utility
- ISE Design Tools: Legacy support for older designs
- Configuration Memory Generators: Automated bitstream preparation
Technical Support Materials
- FAQ Documents: Common implementation questions and solutions
- Troubleshooting Guides: Configuration issues and resolution procedures
- Migration Guides: Upgrading from previous PROM families
- Design Examples: Working reference implementations
4. Related Resources
Compatible FPGA Families
- Spartan Series: Spartan-3, Spartan-6, Spartan-7
- Artix Series: Artix-7 FPGAs
- Kintex Series: Kintex-7, Kintex UltraScale
- Virtex Series: Virtex-5, Virtex-6, Virtex-7
- Zynq Series: Zynq-7000 SoC platforms
Related Configuration Products
- XC18V02-VQG44C: 2-megabit version for smaller configurations
- XC18V08-VQG44C: 8-megabit version for larger bitstreams
- XC18V16-VQG44C: 16-megabit high-capacity configuration PROM
- Platform Flash: Alternative configuration memory solutions
Development Tools and Kits
- Configuration Memory Programming Cables: Platform Cable USB II
- Evaluation Boards: Various FPGA development platforms
- Programming Adapters: Socket adapters for prototype programming
- Debug Tools: ChipScope Pro for configuration debugging
Technical Communities
- Xilinx Forums: Community support and design discussions
- FPGA Development Communities: Technical knowledge sharing
- Application Engineering Support: Direct technical assistance
- Training Resources: Configuration memory design courses
Design Services
- Custom Programming Services: Pre-programmed devices available
- Technical Consulting: Configuration architecture optimization
- Prototyping Support: Development and testing assistance
- Volume Manufacturing: Production programming services
5. Environmental & Export Classifications
Environmental Compliance
- RoHS Compliance: RoHS 2011/65/EU compliant (lead-free)
- REACH Regulation: Compliant with European chemical regulations
- WEEE Directive: Proper disposal and recycling guidelines
- Conflict Minerals: 3TG conflict minerals reporting compliant
Quality Standards
- ISO 9001: Manufacturing quality management certification
- ISO 14001: Environmental management system compliance
- IATF 16949: Automotive quality standard (where applicable)
- IPC Standards: PCB assembly and reliability standards
Export Classifications
- ECCN: 3A991 (Export Administration Regulations)
- HTS Code: 8542.32.0000 (Harmonized Tariff Schedule)
- Country of Origin: Various (check specific lot codes)
- Export License: Generally no license required for most destinations
Temperature Grades
- Commercial (C): 0ยฐC to +70ยฐC operating temperature
- Industrial (I): -40ยฐC to +85ยฐC operating temperature (available in other packages)
- Extended: Contact manufacturer for special temperature requirements
Package Marking Information
- Device Part Number: XC18V04-VQG44C clearly marked
- Date Code: Manufacturing week and year
- Lot Traceability: Full manufacturing traceability
- Lead-Free Indicator: Environmental compliance marking
Handling Precautions
- ESD Sensitivity: Class 1C (1000V Human Body Model)
- Moisture Sensitivity: MSL 3 (168 hours at 30ยฐC/60% RH)
- Storage Conditions: -55ยฐC to +150ยฐC storage temperature
- Handling Guidelines: Standard IC handling procedures required
End-of-Life Considerations
- Product Lifecycle: Mature product with extended availability
- Last Time Buy: Monitor PCN (Product Change Notifications) for updates
- Recommended Replacements: Migration path to newer configuration solutions
- Obsolescence Management: Proactive lifecycle planning recommended
Keywords: XC18V04-VQG44C, Xilinx configuration PROM, FPGA configuration memory, in-system programmable, 4-megabit PROM, 44-pin VQFP, 3.3V configuration storage, ISP configuration memory, Xilinx FPGA bitstream storage
