The XC3S400A-4FG400C is a versatile and powerful 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 high functionality with energy efficiency, making it an ideal choice for digital signal processing, embedded control, and general-purpose logic applications.
Product Specification
The XC3S400A-4FG400C features robust specifications that meet demanding design requirements:
Core Architecture:
- Logic cells: 8,064 equivalent gates
- System gates: 400,000
- CLB array: 22 x 22 configurable logic blocks
- Total block RAM: 126 Kbits (18 blocks of 18 Kbit each)
- Distributed RAM: 58 Kbits
- Dedicated multipliers: 16 embedded 18×18 multipliers
Memory and I/O:
- Maximum user I/O: 264 pins
- Package type: FG400 (400-pin Fine-Pitch Ball Grid Array)
- Operating temperature range: Commercial grade (0ยฐC to +85ยฐC)
- Speed grade: -4 (standard performance)
- Supply voltage: 1.2V core, 3.3V I/O
Performance Features:
- Clock management: Up to 4 Digital Clock Managers (DCMs)
- Maximum frequency: Up to 200+ MHz
- Low power consumption with advanced power management
- IEEE 1149.1 JTAG boundary scan support
- SelectRAM+ memory blocks for flexible data storage
Price
The XC3S400A-4FG400C offers competitive pricing for its feature set, with costs varying based on quantity and supplier. Typical pricing ranges from $25 to $45 per unit for standard quantities, with volume discounts available for orders exceeding 1,000 pieces. Pricing may fluctuate based on market conditions, lead times, and regional availability. Contact authorized distributors or Xilinx directly for current pricing and availability information.
Documents & Media
Essential documentation and resources for the XC3S400A-4FG400C include:
Technical Documentation:
- Spartan-3A FPGA Family Data Sheet (DS529)
- XC3S400A-4FG400C Product Brief
- Spartan-3A FPGA User Guide
- Package and pinout specifications
- AC/DC characteristics and timing parameters
Design Resources:
- Xilinx ISE Design Suite compatibility information
- Reference designs and application notes
- PCB layout guidelines and recommendations
- Thermal management guidelines
- Power estimation tools and calculators
Software Tools:
- Xilinx Vivado Design Suite support documentation
- Programming and configuration guides
- Simulation models and libraries
- IP core integration guides
Related Resources
The XC3S400A-4FG400C ecosystem includes comprehensive development and support resources:
Development Boards:
- Spartan-3A Starter Kit
- Third-party evaluation boards
- Custom development platforms
Compatible Components:
- Clock generation circuits
- Power management solutions
- Configuration memory devices
- Interface transceivers and level shifters
Design Tools:
- Xilinx Vivado Design Suite
- ModelSim simulation software
- ChipScope Pro debugging tools
- Third-party synthesis and place-and-route tools
Support Resources:
- Xilinx Answer Database
- Community forums and user groups
- Application engineering support
- Training courses and webinars
Environmental & Export Classifications
The XC3S400A-4FG400C meets stringent environmental and regulatory standards:
Environmental Compliance:
- RoHS compliant (lead-free package option available)
- REACH regulation compliance
- Halogen-free package options
- Green packaging initiatives supported
Operating Conditions:
- Operating temperature: 0ยฐC to +85ยฐC (commercial grade)
- Storage temperature: -65ยฐC to +150ยฐC
- Humidity: 5% to 95% non-condensing
- Altitude: Up to 2,000 meters
Export Classifications:
- ECCN (Export Control Classification Number): 3A001.a.7
- HTS (Harmonized Tariff Schedule): 8542.39.0001
- Country of origin: Various (check specific part marking)
- Export license requirements may apply for certain destinations
Quality Standards:
- ISO 9001:2015 certified manufacturing
- Automotive qualified versions available (contact Xilinx for AEC-Q100 options)
- Extended temperature range variants for industrial applications
- Military and aerospace grade versions available upon request
The XC3S400A-4FG400C represents an excellent balance of performance, features, and cost-effectiveness, making it suitable for a wide range of applications from consumer electronics to industrial automation systems. Its proven Spartan-3A architecture ensures reliable operation and extensive design flexibility for both prototype and production environments.
