The XC3S400A-4FGG320I is a powerful field-programmable gate array (FPGA) from Xilinx’s renowned Spartan-3A family, engineered to deliver exceptional performance for complex digital applications. This versatile FPGA combines advanced architecture with cost-effective solutions, making it ideal for telecommunications, automotive, industrial automation, and consumer electronics applications.
Product Specifications
The XC3S400A-4FGG320I features robust specifications that meet demanding design requirements:
Core Architecture:
- Logic Cells: 400,000 system gates with 8,064 logic cells
- Block RAM: 360 Kbits of embedded block RAM for data storage
- Distributed RAM: 126 Kbits for flexible memory implementation
- Digital Signal Processing: 16 dedicated 18×18 multipliers for high-speed arithmetic operations
I/O Capabilities:
- User I/O Pins: 221 configurable I/O pins supporting multiple voltage standards
- Package Type: 320-ball Fine-Pitch Ball Grid Array (FBGA)
- Operating Voltage: 1.2V core with 3.3V/2.5V/1.8V I/O support
- Speed Grade: -4 speed grade ensuring optimal performance
Advanced Features:
- Clock Management: Four Digital Clock Managers (DCMs) for precise timing control
- Configuration Options: Multiple configuration modes including JTAG, SelectMAP, and serial modes
- Power Management: Advanced power optimization with multiple power domains
- Temperature Range: Industrial temperature range (-40°C to +100°C)
Price Information
The XC3S400A-4FGG320I pricing varies based on quantity, distributor, and current market conditions. Contact authorized Xilinx distributors for current pricing and availability. Volume discounts are typically available for quantities exceeding 100 units. Educational and research institutions may qualify for special academic pricing programs.
Documents & Media
Technical Documentation:
- Complete datasheet with electrical characteristics and timing specifications
- Reference manual detailing architecture and programming guidelines
- Application notes for common implementation scenarios
- PCB design guidelines and footprint recommendations
Design Resources:
- Xilinx ISE Design Suite compatibility documentation
- Vivado Design Suite migration guides
- Constraint files and timing analysis reports
- Example designs and reference implementations
Development Tools:
- ChipScope Pro analyzer support for real-time debugging
- ModelSim simulation models and testbenches
- Synthesis tool compatibility matrices
- Programming and configuration utilities
Related Resources
Development Boards:
- Spartan-3A evaluation boards featuring the XC3S400A-4FGG320I
- Starter kits with comprehensive tutorials and example projects
- Expansion modules and daughter cards for extended functionality
Software Tools:
- Xilinx ISE WebPACK (free version) for basic design entry
- ISE Foundation for advanced synthesis and implementation
- EDK (Embedded Development Kit) for processor-based designs
- System Generator for DSP applications
Learning Materials:
- Online training courses covering FPGA fundamentals
- Video tutorials specific to Spartan-3A architecture
- Community forums and technical support resources
- University program materials and academic partnerships
Compatible Components:
- Configuration memories (Platform Flash, SPI Flash)
- Clock generation circuits and oscillators
- Power management solutions
- Interface transceivers and level shifters
Environmental & Export Classifications
Environmental Compliance: The XC3S400A-4FGG320I meets stringent environmental standards including RoHS (Restriction of Hazardous Substances) compliance, ensuring lead-free manufacturing processes. The device adheres to WEEE (Waste Electrical and Electronic Equipment) directives for responsible disposal and recycling.
Operating Conditions:
- Temperature Range: -40°C to +100°C junction temperature
- Humidity: 85% relative humidity (non-condensing)
- Altitude: Up to 2,000 meters above sea level
- Vibration Resistance: MIL-STD-883 compliant
Export 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
Quality Standards: The XC3S400A-4FGG320I undergoes rigorous quality testing including burn-in procedures, electrical testing, and reliability validation. Manufacturing facilities maintain ISO 9001 and ISO 14001 certifications, ensuring consistent quality and environmental responsibility.
Packaging Information:
- Moisture Sensitivity Level: MSL-3 requiring proper handling and storage
- Package Marking: Includes part number, date code, and lot traceability
- Shipping: Anti-static packaging with appropriate ESD protection measures
The XC3S400A-4FGG320I represents an excellent choice for designers seeking a balance of performance, features, and cost-effectiveness in their FPGA-based solutions. Its comprehensive feature set and robust specifications make it suitable for a wide range of applications from prototyping to production deployment.
