Product Specification
The XC3S400A-4FG256C is a versatile field-programmable gate array (FPGA) from Xilinx’s Spartan-3A family, designed to deliver exceptional performance for cost-sensitive applications. This FPGA features 400,000 system gates with advanced architecture optimized for digital signal processing and embedded processing applications.
Key Technical Specifications:
- Logic Cells: 8,064 logic cells providing flexible digital design capabilities
- System Gates: 400,000 gates for complex digital implementations
- Block RAM: 360 Kbits of dedicated block RAM for data storage and buffering
- Multipliers: 16 dedicated 18×18 multipliers for high-speed arithmetic operations
- I/O Pins: 172 user I/O pins supporting various voltage standards
- Package Type: 256-pin Fine-Pitch Ball Grid Array (FBGA)
- Speed Grade: -4 speed grade ensuring reliable operation up to specified frequencies
- Operating Voltage: 1.2V core voltage with 3.3V I/O support
The XC3S400A-4FG256C incorporates Xilinx’s proven 90nm process technology, delivering enhanced performance per watt while maintaining cost-effectiveness for volume production.
Price
Pricing for the XC3S400A-4FG256C varies based on quantity, distribution channel, and current market conditions. Volume pricing typically ranges from competitive rates for educational institutions to industrial-grade pricing for commercial applications. Contact authorized Xilinx distributors for current pricing information, as costs fluctuate based on semiconductor market dynamics and availability.
Factors affecting XC3S400A-4FG256C pricing include order volume, lead times, packaging requirements, and specific quality certifications needed for your application.
Documents & Media
Essential Documentation for XC3S400A-4FG256C:
- Datasheet: Complete electrical specifications, timing parameters, and package details
- User Guide: Comprehensive implementation guidelines and design recommendations
- Package Information: Detailed pinout diagrams and mechanical specifications
- Application Notes: Design best practices and reference implementations
- Development Tools: ISE Design Suite compatibility and configuration guidelines
Design Resources:
- Reference designs demonstrating XC3S400A-4FG256C capabilities in common applications
- Constraint files and UCF templates for rapid design implementation
- Power consumption calculators and thermal management guidelines
- Migration guides from other FPGA families to Spartan-3A architecture
Related Resources
Development Platforms Compatible with XC3S400A-4FG256C:
- Spartan-3A Starter Kit for rapid prototyping and evaluation
- Third-party development boards featuring the XC3S400A-4FG256C
- Interface modules and expansion cards for system integration
Software Tools:
- Xilinx ISE Design Suite for synthesis, place-and-route, and timing analysis
- ChipScope Pro for embedded logic analysis and debugging
- PlanAhead for floorplanning and constraint management
Technical Support Resources:
- Xilinx community forums with XC3S400A-4FG256C discussions
- Application engineering support for design optimization
- Training materials and webinars covering Spartan-3A implementation techniques
Environmental & Export Classifications
Environmental Specifications for XC3S400A-4FG256C:
- Operating Temperature Range: Commercial (0°C to +85°C) and Industrial (-40°C to +100°C) options available
- Storage Temperature: -65°C to +150°C for long-term reliability
- Humidity Tolerance: Designed for standard industrial environmental conditions
- RoHS Compliance: Lead-free package options available meeting environmental regulations
Export Classifications:
- ECCN (Export Control Classification Number): Subject to U.S. export regulations
- HTS Code: Harmonized Tariff Schedule classification for international trade
- Country of Origin: Manufacturing location details for import/export documentation
Quality Standards:
- Automotive Qualification: Extended temperature range versions available for automotive applications
- Military Standards: Screening options available for defense and aerospace applications
- ISO Certifications: Manufactured under quality management systems meeting international standards
The XC3S400A-4FG256C represents an optimal balance of performance, cost, and flexibility for applications requiring moderate logic density with advanced features. Its robust architecture and comprehensive development ecosystem make it suitable for communications, industrial control, medical devices, and consumer electronics applications requiring reliable FPGA performance.
