The XC2S200-6FGG921C represents a premium member of the acclaimed Spartan-II FPGA family, delivering exceptional programmable logic capabilities in a robust 921-ball Fine-Pitch Ball Grid Array package. Manufactured by Xilinx (now AMD), this advanced field-programmable gate array combines 200,000 system gates with commercial-grade reliability, making it an ideal solution for telecommunications, industrial automation, aerospace systems, and embedded computing applications.
Key Specifications and Technical Features
Core Architecture Details
The XC2S200-6FGG921C is built on proven 0.18um CMOS technology, offering designers a powerful platform for implementing complex digital logic designs. This Xilinx FPGA delivers outstanding performance characteristics that set it apart in the mid-range programmable logic market.
| Parameter |
Specification |
| Device Model |
XC2S200-6FGG921C |
| FPGA Family |
Spartan-II |
| System Gates |
200,000 |
| Logic Cells |
5,292 |
| Configurable Logic Blocks (CLBs) |
1,176 (28 x 42 array) |
| Speed Grade |
-6 (fastest commercial grade) |
| Package Type |
FGG921 (921-ball Fine-Pitch BGA) |
| Operating Voltage |
2.5V core |
| Temperature Range |
Commercial (0°C to +85°C) |
| Process Technology |
0.18 micron CMOS |
Memory Resources and I/O Capabilities
| Memory Type |
Capacity |
| Distributed RAM |
75,264 bits |
| Block RAM |
56 Kbits (56,000 bits) |
| Maximum User I/O Pins |
284 |
| Global Clock Inputs |
4 dedicated clock pins |
XC2S200-6FGG921C Package Information
Fine-Pitch Ball Grid Array (FGG921) Advantages
The 921-ball Fine-Pitch BGA package provides several critical advantages for high-density applications:
- Maximum I/O Accessibility: With 921 solder balls, this package offers the highest pin count in the XC2S200 family, enabling maximum utilization of the FPGA’s 284 user I/O capabilities
- Enhanced Thermal Performance: Larger ball grid array facilitates superior heat dissipation for demanding applications
- PCB Space Efficiency: Compact footprint despite high pin count reduces board real estate requirements
- Superior Signal Integrity: Fine-pitch design minimizes inductance and improves high-speed signal performance
- Improved Reliability: Ball grid array construction provides robust mechanical connections and excellent solder joint reliability
Package Dimensions and Layout
| Package Characteristic |
Value |
| Package Type |
Fine-Pitch Ball Grid Array (FBGA) |
| Total Ball Count |
921 balls |
| Ball Pitch |
Fine-pitch configuration |
| Package Code |
FGG921 |
| Mounting Type |
Surface Mount Technology (SMT) |
Performance Specifications for XC2S200-6FGG921C
Speed Grade and Timing Characteristics
The -6 speed grade designation indicates this device offers the fastest commercial performance in the Spartan-II family:
- Maximum Operating Frequency: Up to 200 MHz system performance
- Pin-to-Pin Delay: Optimized for high-speed data paths
- Clock-to-Output: Minimized latency for time-critical applications
- Setup and Hold Times: Industry-leading timing margins
Power Consumption Profile
| Power Parameter |
Typical Value |
| Core Voltage |
2.5V ±5% |
| I/O Voltage |
2.5V / 3.3V selectable |
| Static Power |
Low standby consumption |
| Dynamic Power |
Design-dependent, optimizable |
Functional Blocks and Architecture
Configurable Logic Block (CLB) Structure
The XC2S200-6FGG921C features 1,176 CLBs arranged in a 28 x 42 matrix, providing:
- Logic Cells: 5,292 logic cells for implementing combinational and sequential logic
- Look-Up Tables (LUTs): Four-input function generators in each logic cell
- Flip-Flops: Dedicated registers for synchronous designs
- Fast Carry Logic: Optimized arithmetic circuitry for adders and counters
On-Chip Memory Architecture
| Memory Feature |
Description |
| Distributed RAM |
75,264 bits of LUT-based memory distributed throughout CLBs |
| Block RAM |
56 Kbits organized in dedicated memory blocks |
| RAM Configuration |
Flexible single-port and dual-port configurations |
| Memory Depth |
Configurable from shallow/wide to deep/narrow arrangements |
Delay-Locked Loop (DLL) Resources
- Four DLLs: One positioned at each corner of the die
- Clock Management: Advanced clock distribution and deskewing
- Clock Multiplication/Division: Flexible frequency synthesis
- Phase Shifting: Precise clock phase adjustment capabilities
Application Areas for XC2S200-6FGG921C FPGA
Telecommunications and Networking
The XC2S200-6FGG921C excels in telecommunications infrastructure:
- Digital signal processing for voice and data communications
- Protocol conversion and interface bridging
- High-speed packet processing engines
- Network switching and routing applications
- Wireless base station signal processing
Industrial Control and Automation
Industrial applications benefit from the device’s reliability:
- Programmable logic controllers (PLC) implementation
- Motor control and drive systems
- Factory automation equipment
- Real-time process control systems
- Industrial networking protocols
Aerospace and Defense Systems
The commercial-grade XC2S200-6FGG921C supports various aerospace applications:
- Avionics control systems
- Signal processing subsystems
- Data acquisition and processing
- Communication system interfaces
- Embedded computing platforms
Consumer Electronics and Embedded Systems
| Application Category |
Use Cases |
| Video Processing |
Frame buffers, format conversion, scaling |
| Audio Systems |
Digital audio processing, codec implementation |
| Display Controllers |
LCD/LED driver control, timing generation |
| Interface Bridging |
USB, PCI, serial interface protocols |
Design Tools and Development Support
Xilinx ISE Design Suite Compatibility
The XC2S200-6FGG921C is fully supported by Xilinx ISE (Integrated Software Environment):
- Design Entry: Schematic capture, VHDL, Verilog HDL support
- Synthesis: XST (Xilinx Synthesis Technology) optimization
- Implementation: Place and route with timing-driven algorithms
- Simulation: Behavioral and timing simulation capabilities
- Programming: JTAG, configuration PROM, and serial mode support
Configuration Options
| Configuration Method |
Description |
| Master Serial |
FPGA controls external serial PROM |
| Slave Serial |
External controller provides bitstream |
| JTAG |
Boundary scan configuration and debugging |
| SelectMAP |
Parallel configuration for fast loading |
Quality and Reliability Standards
Manufacturing Quality Assurance
- RoHS Compliance: Lead-free package option available (denoted by “G” in part number)
- Tested Performance: 100% factory testing ensures specified performance
- Quality Standards: ISO-certified manufacturing processes
- Traceability: Full lot code and date code marking for tracking
Environmental Specifications
| Environmental Parameter |
Rating |
| Storage Temperature |
-65°C to +150°C |
| Operating Temperature |
0°C to +85°C (Commercial) |
| Humidity |
10% to 90% non-condensing |
| ESD Sensitivity |
Class 1 (1000V HBM minimum) |
Programming and Configuration Features
Bitstream Security and Protection
- Encryption Support: Optional bitstream encryption for IP protection
- Readback Capability: Design verification through configuration readback
- CRC Verification: Built-in error detection for configuration integrity
- Partial Reconfiguration: Dynamic configuration updates (design-dependent)
Boundary Scan and Testing
The XC2S200-6FGG921C implements IEEE 1149.1 JTAG boundary scan:
- Complete boundary scan chain for board-level testing
- Built-in self-test (BIST) capabilities
- In-system programmability through JTAG interface
- Debug and diagnostic features
Comparison with Other Package Options
XC2S200 Family Package Variants
| Package |
Pin Count |
Typical Applications |
| PQ208 |
208-pin PQFP |
Space-constrained designs, prototyping |
| FG256 |
256-ball FBGA |
Balanced I/O and size requirements |
| FG456 |
456-ball FBGA |
Higher I/O density applications |
| FGG921 |
921-ball FBGA |
Maximum I/O utilization, high-density systems |
Why Choose the FGG921 Package?
The 921-ball package offers distinct advantages when:
- Maximum I/O Count Required: Projects needing access to all 284 user I/O pins
- Signal Integrity Critical: High-speed designs requiring optimal electrical characteristics
- Thermal Management Important: Applications with significant power dissipation
- Future Expandability: Designs that may grow to utilize additional I/O resources
PCB Design Considerations
Layout Guidelines for FGG921 Package
Successful implementation requires attention to PCB design:
- Layer Count: Minimum 6-layer board recommended for proper power distribution
- Via Technology: Micro-vias may be required for dense ball breakout
- Power Plane Design: Separate planes for core (2.5V) and I/O voltages
- Decoupling: Multiple capacitors per power pin for noise suppression
- Thermal Vias: Consider thermal vias under package for heat dissipation
Signal Integrity Best Practices
| Design Aspect |
Recommendation |
| Trace Impedance |
Match to 50Ω or 100Ω differential as required |
| Length Matching |
Critical for high-speed buses and clock distribution |
| Ground Planes |
Continuous ground planes minimize EMI |
| Termination |
Proper termination for transmission line effects |
Ordering Information and Part Number Breakdown
Understanding the Part Number: XC2S200-6FGG921C
| Code Segment |
Meaning |
| XC2S |
Spartan-II FPGA family |
| 200 |
200,000 system gate capacity |
| -6 |
Speed grade (fastest commercial) |
| FGG |
Fine-pitch Ball Grid Array (Pb-free option) |
| 921 |
921-ball package |
| C |
Commercial temperature range (0°C to +85°C) |
Alternative Temperature Grades
- C (Commercial): 0°C to +85°C – Standard operating range
- I (Industrial): -40°C to +100°C – Extended temperature applications
- M (Military): -55°C to +125°C – Extreme environment applications (if available)
Competitive Advantages of XC2S200-6FGG921C
Cost-Effectiveness
The Spartan-II family delivers ASIC-like performance at FPGA flexibility:
- No NRE Costs: Eliminate mask charges and minimum order quantities
- Rapid Time-to-Market: Programmable architecture enables fast design iterations
- Field Upgradability: Design modifications without hardware replacement
- Volume Pricing: Competitive pricing for production quantities
Technical Benefits
| Advantage |
Benefit |
| High Logic Density |
5,292 logic cells support complex designs |
| Abundant I/O |
284 user I/O pins accommodate extensive interfaces |
| Flexible Memory |
131 Kbits total on-chip memory for data buffering |
| Clock Management |
Four DLLs provide advanced timing control |
Long-Term Availability and Support
Product Lifecycle Information
While the Spartan-II family is considered mature technology, it continues to find application in:
- Legacy System Maintenance: Existing designs requiring exact component replacement
- Cost-Sensitive Applications: Projects where newer FPGAs are overspecified
- Industrial Equipment: Long product lifecycles demanding stable supply chains
- Educational Use: Teaching FPGA fundamentals and digital design
Replacement and Upgrade Paths
For new designs, consider migration to modern FPGA families:
- Spartan-6 Family: Pin-compatible upgrades with enhanced features
- Artix-7 Family: Latest low-power, high-performance alternative
- Design Portability: VHDL/Verilog code largely portable to newer devices
Technical Support Resources
Documentation and Datasheets
Comprehensive technical documentation is available:
- Complete Datasheet: Electrical specifications, AC/DC parameters, timing diagrams
- User Guide: Detailed architecture description and design guidelines
- Application Notes: Specific design techniques and optimization strategies
- Package Information: Mechanical drawings, solder ball patterns, thermal data
Community and Forums
Access to extensive knowledge base:
- Xilinx Community Forums for peer-to-peer technical discussions
- Application engineering support for complex design challenges
- Reference designs and IP cores for common applications
- Training materials and webinars for skill development
Conclusion: Is XC2S200-6FGG921C Right for Your Project?
The XC2S200-6FGG921C represents an excellent choice when your application requires:
✓ Substantial Logic Resources: 200,000 system gates and 5,292 logic cells
✓ Maximum I/O Flexibility: Access to all 284 user I/O pins via 921-ball package
✓ Commercial Temperature Range: 0°C to +85°C operation
✓ Proven Reliability: Mature, stable technology with extensive deployment history
✓ Cost-Effective Solution: ASIC alternative with programmable flexibility
✓ Fast Time-to-Market: Rapid prototyping and design iteration capability
Whether you’re developing telecommunications equipment, industrial control systems, or embedded computing platforms, the XC2S200-6FGG921C delivers the performance, flexibility, and reliability your project demands. Its combination of abundant logic resources, comprehensive I/O capabilities, and robust 921-ball BGA package makes it an outstanding choice for medium to high-complexity digital designs.
