The XC3S400A-5FG320C 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 powerful programmable logic device combines flexibility, reliability, and efficiency, making it an ideal choice for engineers developing complex digital systems across telecommunications, industrial automation, and consumer electronics.
Product Specifications
The XC3S400A-5FG320C features comprehensive technical specifications that demonstrate its capabilities for demanding applications:
Core Architecture:
- 400,000 system gates providing ample logic capacity
- 8,064 logic cells for complex digital implementations
- 56 dedicated 18×18 multipliers for high-speed arithmetic operations
- 360 Kbits of block RAM for efficient data storage and buffering
I/O Configuration:
- 264 user I/O pins in FG320 Fine-pitch BGA package
- Support for multiple I/O standards including LVTTL, LVCMOS, and differential signaling
- High-speed I/O capabilities supporting data rates up to several hundred MHz
Performance Characteristics:
- Speed grade -5 offering optimized timing performance
- Operating temperature range: 0ยฐC to +85ยฐC (commercial grade)
- Supply voltage: 1.2V core, 2.5V/3.3V I/O
- Low power consumption with multiple power management modes
Package Details:
- FG320 Fine-pitch Ball Grid Array (BGA) package
- 17mm x 17mm footprint for space-constrained designs
- Lead-free RoHS compliant construction
- Excellent thermal characteristics for reliable operation
Price Information
The XC3S400A-5FG320C pricing varies based on quantity, supplier, and market conditions. Typical pricing ranges from $15 to $45 per unit depending on volume requirements. For current pricing and availability:
- Contact authorized Xilinx distributors for volume pricing
- Educational discounts available through university programs
- Engineering samples may be available for qualified design projects
- Consider lifecycle status when planning long-term production schedules
Documents & Media
Comprehensive documentation supports successful XC3S400A-5FG320C implementation:
Technical Documentation:
- Spartan-3A FPGA Family Data Sheet with complete electrical specifications
- FG320 Package User Guide including pinout diagrams and PCB layout recommendations
- Spartan-3A Configuration User Guide detailing programming procedures
- Power consumption and thermal management application notes
Design Resources:
- Xilinx ISE Design Suite compatibility for development and implementation
- Reference designs demonstrating common application implementations
- Constraint files and timing models for accurate design verification
- Package symbols and footprints for major CAD tools
Application Notes:
- High-speed design techniques for optimal signal integrity
- Power supply design recommendations and filtering requirements
- PCB layout guidelines for BGA mounting and routing
- Configuration memory interface design examples
Related Resources
The XC3S400A-5FG320C integrates seamlessly with Xilinx’s comprehensive ecosystem:
Development Tools:
- Xilinx ISE Design Suite providing complete design flow from HDL to bitstream
- ChipScope Pro for real-time debugging and system verification
- Xilinx Platform Studio (XPS) for embedded processor development
- ModelSim simulation environment for comprehensive design verification
Complementary Products:
- Configuration memory devices including Platform Flash and serial Flash
- Xilinx development boards featuring the XC3S400A for rapid prototyping
- Compatible voltage regulators and power management solutions
- High-speed connectors and interface components
Learning Resources:
- Xilinx University Program offering educational materials and support
- Online training modules covering FPGA design fundamentals
- Community forums providing peer support and design assistance
- Webinar series featuring advanced implementation techniques
Environmental & Export Classifications
The XC3S400A-5FG320C meets stringent environmental and regulatory requirements:
Environmental Compliance:
- RoHS compliant lead-free construction meeting European environmental standards
- REACH regulation compliance for chemical substance restrictions
- Commercial temperature grade operation from 0ยฐC to +85ยฐC
- Moisture sensitivity level (MSL) rating for proper handling and storage
Export Control Classifications:
- Export Control Classification Number (ECCN) as specified in current regulations
- Country of origin marking for international shipping compliance
- Dual-use technology considerations for certain applications
- Documentation requirements for international distribution
Quality Standards:
- Manufactured in ISO 9001 certified facilities ensuring consistent quality
- Automotive grade versions available for safety-critical applications
- Military and aerospace qualified variants for demanding environments
- Comprehensive reliability testing including temperature cycling and accelerated aging
