The XC3S400A-5FT256C is a powerful field-programmable gate array (FPGA) from Xilinx’s renowned Spartan-3A family, designed to deliver exceptional performance for cost-sensitive applications. This versatile FPGA combines advanced features with reliable operation, making it an ideal choice for engineers developing complex digital systems.
Product Specifications
The XC3S400A-5FT256C offers impressive technical capabilities that set it apart in the FPGA market:
Core Features:
- Logic Cells: 8,064 equivalent logic cells providing substantial processing power
- System Gates: 400,000 system gates for complex digital implementations
- Block RAM: 360 Kbits of dedicated block RAM for efficient data storage
- Distributed RAM: 56 Kbits for flexible memory applications
- Multipliers: 16 dedicated 18×18 multipliers for high-speed arithmetic operations
- I/O Pins: 172 user I/O pins with versatile connectivity options
Package Details:
- Package Type: FT256 – Fine-pitch Ball Grid Array (FBGA)
- Pin Count: 256 pins in a compact footprint
- Speed Grade: -5 (commercial temperature range)
- Operating Temperature: 0ยฐC to +85ยฐC
Performance Characteristics: The XC3S400A-5FT256C delivers reliable performance with low power consumption, making it suitable for battery-powered and heat-sensitive applications. The -5 speed grade ensures optimal timing performance for demanding applications.
Price Information
Pricing for the XC3S400A-5FT256C varies based on quantity, supplier, and current market conditions. Contact authorized Xilinx distributors for current pricing information and volume discounts. The XC3S400A-5FT256C offers excellent value proposition considering its feature set and proven reliability in the field.
Documents & Media
Technical Documentation:
- XC3S400A-5FT256C datasheet with complete electrical specifications
- Spartan-3A Family User Guide for comprehensive implementation details
- Package and pinout diagrams for PCB design integration
- AC/DC switching characteristics and timing specifications
- Power consumption analysis and thermal considerations
Design Resources:
- Reference designs and application notes
- PCB layout guidelines and recommendations
- Signal integrity considerations for high-speed designs
- Power supply design recommendations
Software Support:
- Compatible with Xilinx ISE Design Suite
- Support for Xilinx Vivado (migration path available)
- IP core libraries and reference implementations
Related Resources
Development Tools:
- Spartan-3A evaluation boards for rapid prototyping
- Compatible programming cables and debugging tools
- Third-party development boards featuring the XC3S400A-5FT256C
Application Areas: The versatile XC3S400A-5FT256C excels in numerous applications including digital signal processing, communications infrastructure, industrial automation, medical devices, and consumer electronics. Its balanced feature set makes it particularly suitable for mid-range FPGA applications requiring reliable performance.
Migration and Compatibility: The XC3S400A-5FT256C maintains compatibility with other Spartan-3A family devices, enabling easy scaling for different project requirements. Migration paths to newer FPGA families are supported through Xilinx design tools.
Environmental & Export Classifications
Environmental Compliance: The XC3S400A-5FT256C meets stringent environmental standards:
- RoHS compliant for lead-free manufacturing
- REACH regulation compliance
- Halogen-free package options available
- Green package marking for environmental identification
Operating Conditions:
- Commercial temperature range: 0ยฐC to +85ยฐC
- Supply voltage: 1.2V core, 3.3V I/O (with 2.5V and 1.8V support)
- Humidity tolerance: Up to 85% relative humidity
- Altitude operation: Up to 2000 meters
Export Classifications:
- ECCN (Export Control Classification Number): 3A001.a.7
- HTS (Harmonized Tariff Schedule): 8542.31.0001
- Country of Origin: Manufactured in Xilinx certified facilities
- Export licensing requirements may apply depending on end-use application
Quality Standards: The XC3S400A-5FT256C is manufactured under ISO 9001 quality management systems and undergoes comprehensive testing to ensure reliability and performance consistency across all units.
Packaging and Handling: Anti-static packaging ensures device protection during shipping and storage. Moisture sensitivity level (MSL) ratings and handling procedures are clearly documented to maintain device integrity throughout the supply chain.
The XC3S400A-5FT256C represents an excellent balance of performance, features, and cost-effectiveness, making it a preferred choice for engineers seeking reliable FPGA solutions for their next-generation digital designs.
