1. Product Specifications
Core Features
- Part Number: XCS20-3TQG144C
- Manufacturer: Xilinx (now AMD Xilinx)
- Family: Spartan/Spartan-XL FPGA Series
- Logic Capacity: 20,000 gates
- Configurable Logic Blocks: 950 cells (400 CLBs)
- Maximum Frequency: 125MHz
- Operating Voltage: 5V supply voltage
- Package Type: 144-pin TQFP (Thin Quad Flat Pack)
- Temperature Grade: Commercial grade (-3 speed grade)
Technical Specifications
- Technology: Advanced CMOS process
- I/O Pins: 113 user I/O pins available
- Architecture: Spartan series optimized for high-volume production
- Configuration: In-system programmable via JTAG
- Programming Support: IEEE 1149.1/1532 Boundary-Scan (JTAG)
- Design Tools: Compatible with Xilinx development software
Performance Characteristics
- Speed Grade: -3 (125MHz system clock capability)
- Logic Utilization: Up to 950 configurable logic cells
- RAM Blocks: On-chip RAM for data storage and buffering
- Routing Resources: Comprehensive interconnect matrix
2. Price Information
Market Pricing
The XCS20-3TQG144C is positioned as a cost-effective FPGA solution with pricing that varies based on quantity and supplier:
- Small Quantity Orders: Contact authorized distributors for current pricing
- Volume Pricing: Significant discounts available for high-volume orders (500+ units)
- Market Position: Competitive pricing comparable to ASIC alternatives in production volumes
- Availability: Available through multiple authorized distributors worldwide
Cost Benefits
- No NRE Costs: Eliminates mask and tooling expenses associated with ASICs
- Faster Time-to-Market: Immediate availability without fabrication delays
- Design Flexibility: Reprogrammable for design changes and updates
- Volume Economics: Approaches ASIC pricing in high-volume applications
3. Documents & Media
Technical Documentation
- Datasheet: Comprehensive XCS20-3TQG144C specification document (PDF format)
- User Guide: Spartan family design guidelines and best practices
- Application Notes: Implementation examples and design tips
- Programming Guide: JTAG configuration and boundary-scan procedures
Design Resources
- CAD Models: PCB footprint and schematic symbols available
- Reference Designs: Sample implementations and demo projects
- Development Tools: Compatible with Xilinx ISE and Vivado design suites
- Simulation Models: Behavioral and timing models for verification
Software Support
- Design Software: Xilinx ISE WebPACK (free) or full ISE suite
- Programming Tools: iMPACT for device configuration
- Simulation: ModelSim integration for design verification
- Synthesis: XST (Xilinx Synthesis Technology) support
4. Related Resources
Compatible Products
- Configuration PROMs: In-system programmable configuration memory
- Development Boards: Spartan evaluation and prototyping platforms
- Programming Cables: USB and parallel JTAG programming interfaces
- Software Tools: Complete Xilinx development environment
Alternative Parts
- XCS20-3TQ144C: Standard TQFP variant (non-EP package)
- XCS20-4TQG144C: Higher speed grade (-4) version
- XCS20XL-3TQG144C: Extended Spartan-XL family variant
- Related Capacities: XCS10, XCS30, XCS40 for different gate counts
Application Areas
- Industrial Control: Process automation and control systems
- Communications: Protocol processing and signal routing
- Automotive: Electronic control units and safety systems
- Consumer Electronics: Digital signal processing applications
- Prototyping: ASIC replacement and proof-of-concept designs
Technical Support
- Application Engineers: Xilinx field application engineering support
- Online Resources: Technical forums and knowledge base
- Training: Design methodology and tool training programs
- Documentation: Comprehensive technical library and app notes
5. Environmental & Export Classifications
Environmental Compliance
- RoHS Status: Legacy product – Not RoHS compliant (contains lead)
- Lead Content: Contains lead in internal solder and glass encapsulation
- Package Finish: Traditional lead-containing solder finish
- Halogen Content: Standard halogen levels (not halogen-free)
Product Lifecycle
- Status: End-of-Life (EOL) / Obsolete
- Availability: Limited stock from authorized distributors
- Recommended Alternatives: Contact Xilinx for migration path to current products
- Support: Limited ongoing support for legacy designs
Export Classification
- ECCN Code: EAR99 (Export Administration Regulations)
- USHTS: 8542390001 (US Harmonized Tariff Schedule)
- TARIC: 8542399000 (EU trade classification)
- Country of Origin: Varies by manufacturing location
Quality Standards
- Manufacturing: ISO 9001 certified facilities
- Quality: Xilinx standard quality and reliability testing
- Packaging: Anti-static packaging for ESD protection
- Traceability: Full lot traceability and date code marking
Safety Information
- Operating Temperature: Commercial temperature range (0ยฐC to +70ยฐC)
- Storage Temperature: Extended range (-40ยฐC to +125ยฐC)
- ESD Sensitivity: Class 1 ESD sensitive device
- Moisture Sensitivity: MSL (Moisture Sensitivity Level) classification applies
Applications and Use Cases
The XCS20-3TQG144C FPGA is ideal for applications requiring moderate logic capacity with cost-effective implementation:
- Digital Signal Processing: FIR/IIR filters, FFT processing
- Interface Logic: Protocol conversion and data formatting
- Control Systems: State machines and control algorithms
- Prototyping: ASIC and CPLD replacement designs
- Educational: Learning platform for digital design concepts
Conclusion
The XCS20-3TQG144C represents a proven FPGA solution from Xilinx’s Spartan family, offering reliable performance for cost-sensitive applications. While this product has reached end-of-life status, it continues to serve existing designs and remains available through authorized channels for legacy support and volume requirements.
For new designs, consider migrating to current Xilinx FPGA families that offer improved performance, lower power consumption, and enhanced environmental compliance while maintaining design compatibility and cost-effectiveness.
