The XC3S50A-4VQG100I is a versatile field-programmable gate array (FPGA) from Xilinx’s renowned Spartan-3A family, designed to deliver exceptional performance for cost-sensitive applications. This advanced programmable logic device combines flexibility, reliability, and power efficiency, making the XC3S50A-4VQG100I an ideal choice for engineers developing embedded systems, digital signal processing applications, and prototype designs.
Product Specifications
Core Architecture
The XC3S50A-4VQG100I features a robust architecture built on advanced 90nm process technology:
- Logic Cells: 50,000 system gates
- Configurable Logic Blocks (CLBs): 1,728 logic cells
- Block RAM: 108 Kbits of dual-port block RAM
- Distributed RAM: 27 Kbits
- Digital Clock Managers (DCMs): 2 units for precise clock management
- Speed Grade: -4 (high performance)
- Package Type: VQG100 (100-pin Very Thin Quad Flat Pack)
- Temperature Range: Industrial (-40ยฐC to +100ยฐC)
I/O and Connectivity Features
The XC3S50A-4VQG100I provides extensive connectivity options:
- User I/O Pins: 68 configurable I/O pins
- Voltage Standards: Support for multiple I/O standards including LVTTL, LVCMOS, SSTL, HSTL
- Differential Signaling: LVDS support for high-speed applications
- Maximum I/O Frequency: Up to 622 Mbps
Performance Characteristics
- Internal Clock Speed: Up to 200 MHz
- Power Consumption: Optimized for low-power applications
- Configuration Memory: Uses external Flash or PROM for configuration storage
- Programming Interface: JTAG boundary scan and configuration
Price
The XC3S50A-4VQG100I offers exceptional value for its feature set and performance capabilities. Pricing varies based on quantity and supplier:
- Unit Price (1-99 pieces): Contact authorized distributors for current pricing
- Volume Pricing: Significant discounts available for quantities over 1,000 units
- Development Kit: Evaluation boards available starting from $299
For the most current XC3S50A-4VQG100I pricing and availability, please contact authorized Xilinx distributors or semiconductor suppliers. Educational discounts may be available for qualifying institutions.
Documents & Media
Technical Documentation
Access comprehensive resources for the XC3S50A-4VQG100I:
Datasheets and Specifications
- XC3S50A-4VQG100I Complete Datasheet (PDF)
- Spartan-3A Family Overview Document
- Pin Configuration and Package Specifications
- DC and AC Electrical Characteristics
Design Resources
- Spartan-3A FPGA User Guide
- Configuration User Guide
- SelectIO Resources User Guide
- Clock Resources User Guide
Software and Tools
- Xilinx ISE Design Suite compatibility guide
- Vivado Design Suite migration notes
- Reference designs and application notes
- VHDL and Verilog code examples
Video Resources
- XC3S50A-4VQG100I Getting Started Tutorial
- Spartan-3A Design Flow Overview
- Configuration and Programming Demonstrations
Related Resources
Development Tools
Maximize your XC3S50A-4VQG100I development experience with these tools:
- Xilinx ISE Design Suite: Full-featured development environment
- Platform Studio: System-level design tools
- ChipScope Pro: Integrated logic analyzer
- CORE Generator: Pre-verified IP cores
Compatible Products
Products that complement the XC3S50A-4VQG100I:
- Configuration Memory: Platform Flash PROMs (XCF02S, XCF04S)
- Development Boards: Spartan-3A Starter Kit, custom evaluation platforms
- Programming Cables: Platform Cable USB, Parallel Cable IV
- Power Management: Linear and switching regulators for FPGA power requirements
Application Areas
The XC3S50A-4VQG100I excels in various applications:
- Digital signal processing and filtering
- Motor control and industrial automation
- Communications infrastructure
- Medical device prototyping
- Automotive electronics
- Consumer electronics development
Environmental & Export Classifications
Environmental Compliance
The XC3S50A-4VQG100I meets stringent environmental standards:
- RoHS Compliant: Lead-free package construction
- REACH Regulation: Compliant with EU chemical safety requirements
- Halogen-Free: Environmentally responsible packaging materials
- Conflict Minerals: Compliant with Section 1502 of the Dodd-Frank Act
Operating Conditions
- Operating Temperature: -40ยฐC to +100ยฐC (Industrial grade)
- Storage Temperature: -65ยฐC to +150ยฐC
- Humidity: 5% to 95% non-condensing
- Altitude: Up to 2,000 meters operational
Export and Trade Classifications
- ECCN (Export Control Classification Number): 3A001.a.7
- HTS (Harmonized Tariff Schedule): 8542.31.0001
- Country of Origin: Manufactured in ISO 9001 certified facilities
- Export Licensing: May require export license for certain destinations
Quality and Reliability
The XC3S50A-4VQG100I undergoes rigorous quality testing:
- Qualification Standards: Automotive AEC-Q100 qualified versions available
- Reliability Testing: HTOL, thermal cycling, and humidity testing
- MTBF (Mean Time Between Failures): >1,000,000 hours at 55ยฐC
- Warranty: Standard manufacturer warranty coverage
Packaging and Shipping
- Moisture Sensitivity Level: MSL 3 (168 hours at 30ยฐC/60% RH)
- Package Marking: Device part number, date code, and traceability information
- Anti-Static Protection: ESD-safe packaging and handling procedures
- Lead-Free Process Compatible: Suitable for lead-free soldering processes
The XC3S50A-4VQG100I represents Xilinx’s commitment to providing high-performance, cost-effective FPGA solutions for today’s demanding embedded applications. Contact your local Xilinx representative or authorized distributor for detailed technical support and ordering information.

