The XC4028XL-3BG352C is a high-performance Field Programmable Gate Array (FPGA) from Xilinx’s renowned XC4000X family, designed to deliver exceptional programmable logic capabilities for complex digital designs. This discontinued but widely sought-after component continues to serve critical applications in legacy systems and specialized electronic projects.
Product Specifications
Core Technical Specifications
- Part Number: XC4028XL-3BG352C
- Manufacturer: Xilinx (now AMD)
- Product Family: XC4000X Series FPGA
- Technology: 0.35ฮผm CMOS process technology
- Architecture: SRAM-based reprogrammable
Performance Characteristics
- Gate Count: 28,000 gates (28K gates)
- Logic Cells: 2,432 cells
- Number of CLBs (Configurable Logic Blocks): 1,024
- I/O Pins: 256 user I/O signals
- RAM Capacity: 32,768 bits total RAM
Electrical Specifications
- Supply Voltage Range: 3.0V to 3.6V (3.3V nominal)
- Operating Temperature Range: 0ยฐC to +85ยฐC (TJ)
- Speed Grade: -3 (indicating performance level)
Package Details
- Package Type: 352-pin Ball Grid Array (BGA)
- Package Code: BG352
- Pin Count: 352 pins
- Mounting Type: Surface Mount Technology (SMT)
- RoHS Compliance: Not RoHS compliant (legacy product)
Key Features
- Low-cost, register/latch rich SRAM-based architecture
- VersaRing I/O interface for high logic cell to I/O ratio
- Programmable output slew-rate control for optimized performance
- Zero flip-flop hold time for simplified system timing
- Three-layer metal CMOS process for enhanced reliability
Price Information
Current Market Pricing
The XC4028XL-3BG352C pricing varies significantly based on supplier, quantity, and availability:
- Small Quantities (1-10 units): $190 – $250 per unit
- Medium Quantities (100+ units): $180 – $220 per unit
- Large Quantities (1000+ units): Approximately $193 – $230 per unit
Pricing Considerations
- Discontinued Status: As a discontinued component, prices may fluctuate based on remaining inventory
- Alternative Parts: Consider XC4028XLA-09BG352C as a potential substitute
- Stock Availability: Limited stock from authorized and non-authorized distributors
- Market Demand: Pricing influenced by legacy system maintenance requirements
Note: Prices are subject to change and should be confirmed with suppliers for current quotations.
Documents & Media
Official Documentation
- XC4000X Series Datasheet: 40-page comprehensive technical document
- Pin Configuration Guide: Detailed pinout diagrams for BG352 package
- Application Notes: Design implementation guidelines
- Errata Documents: Known issues and workarounds
Design Resources
- FPGA Symbol and Footprint: CAD models for PCB design
- 3D STEP Models: Mechanical drawings for system integration
- Reference Designs: Example implementations and starter projects
- Programming Files: Sample configuration bitstreams
Software Support
- Development Tools: Xilinx ISE Design Suite (legacy)
- Synthesis Support: VHDL and Verilog HDL compatibility
- Design Entry: Schematic capture and ABEL support
- Simulation: ModelSim and other third-party simulators
Technical Support Materials
- User Guides: Implementation and configuration instructions
- Training Materials: FPGA design methodology documentation
- Community Forums: Legacy support through FPGA development communities
Related Resources
Compatible Development Boards
- XC4028XL Evaluation Boards: Purpose-built development platforms
- XC4000X Family Starter Kits: Educational and prototyping tools
- Third-Party Development Boards: Compatible legacy FPGA boards
Software Development Environment
- Xilinx ISE Design Suite: Primary development environment (discontinued)
- Legacy Tool Support: Older versions specifically supporting XC4000X family
- Third-Party Tools: Alternative synthesis and place-and-route tools
Related Components
- XC4028XL Series Variants: Different package and speed grade options
- XC4028XLA Series: Enhanced architecture alternatives
- Configuration Memory: Compatible PROM and Flash memory devices
- Power Management: Voltage regulators and power sequencing ICs
Technical Support Resources
- FPGA Design Communities: Online forums and discussion groups
- Legacy System Support: Specialized service providers
- Component Sourcing: Authorized and independent distributors
- Technical Consulting: FPGA design and legacy system expertise
Migration and Upgrade Paths
- Modern FPGA Alternatives: Equivalent contemporary solutions
- Pin-Compatible Replacements: Drop-in replacement options
- Design Migration Services: Professional upgrade assistance
- Legacy Code Conversion: HDL modernization services
Environmental & Export Classifications
Environmental Compliance
- RoHS Status: Not RoHS compliant (contains lead)
- REACH Compliance: Subject to REACH regulation restrictions
- Conflict Minerals: Compliant with conflict minerals regulations
- Environmental Rating: Industrial temperature grade (0ยฐC to +85ยฐC)
Export Control Classifications
- ECCN (Export Control Classification Number): 3A001.a.7
- HTS (Harmonized Tariff Schedule): 8542.39.0001
- Country of Origin: Manufactured in various global facilities
- Export Licensing: May require export license for certain destinations
Quality and Reliability Standards
- Quality Grade: Commercial/Industrial grade
- MTBF Rating: Calculated mean time between failures available
- Qualification Standards: Meets JEDEC and industry standards
- Moisture Sensitivity Level: MSL-3 (requires controlled handling)
Packaging and Handling Requirements
- ESD Sensitivity: Class 2 electrostatic discharge sensitive
- Storage Conditions: Controlled temperature and humidity required
- Shelf Life: 24 months in sealed moisture barrier bag
- Handling Precautions: Anti-static procedures mandatory
End-of-Life Considerations
- Product Status: Discontinued – no longer in production
- Last Time Buy: Final procurement opportunities may be available
- Alternative Solutions: Migration to current-generation FPGAs recommended
- Long-Term Support: Limited to existing inventory and third-party suppliers
The XC4028XL-3BG352C represents proven FPGA technology ideal for maintaining legacy systems and specialized applications requiring this specific component. While discontinued, it remains available through various distribution channels for critical system maintenance and replacement needs.
