The XC2S200-6FGG870C is a versatile Field-Programmable Gate Array (FPGA) from AMD’s (formerly Xilinx) acclaimed Spartan-II family, designed to deliver exceptional performance for embedded systems, digital signal processing, and industrial automation applications. This FPGA combines 200,000 system gates with advanced programmable logic architecture, making it an ideal solution for cost-sensitive, high-performance digital designs.
Note: The package designation FGG870C in this part number appears to be a custom or specialized variant. Standard XC2S200 devices are typically available in FGG456 (456-ball), FGG256 (256-ball), or PQG208 (208-pin) packages. Please verify exact package specifications with your supplier.
Key Features and Specifications
Core Technical Specifications
| Specification |
Value |
| Device Family |
Spartan-II FPGA |
| System Gates |
200,000 gates |
| Logic Cells |
5,292 cells |
| CLB Array |
28 x 42 (1,176 total CLBs) |
| Speed Grade |
-6 (Commercial temperature range exclusive) |
| Operating Voltage |
2.5V core voltage |
| Process Technology |
0.18μm |
| Maximum Frequency |
263 MHz |
Memory Resources
| Memory Type |
Capacity |
| Distributed RAM |
75,264 bits |
| Block RAM |
56 Kbits |
| Total RAM Resources |
131,328 bits combined |
I/O and Connectivity
| Feature |
Specification |
| Maximum User I/O |
284 pins (package dependent) |
| Global Clock Inputs |
4 dedicated pins |
| Delay-Locked Loops |
4 DLLs (one per corner) |
| I/O Standards |
Multiple voltage standards supported |
| I/O Banks |
Multiple banks for flexible voltage configuration |
What is the XC2S200-6FGG870C FPGA?
The XC2S200-6FGG870C represents a powerful programmable logic solution that bridges the gap between simple CPLDs and expensive ASICs. As part of the Xilinx FPGA Spartan-II series, this device offers field-programmable flexibility, allowing designers to implement custom logic functions, update designs without hardware changes, and reduce time-to-market significantly.
Architecture Highlights
The XC2S200 FPGA features a regular, flexible architecture built around Configurable Logic Blocks (CLBs) surrounded by programmable Input/Output Blocks (IOBs). This hierarchical design includes:
- Configurable Logic Blocks: 1,176 CLBs arranged in a 28×42 array
- Look-Up Tables (LUTs): Four LUTs per CLB for implementing combinational logic
- Flip-Flops: Integrated storage elements for sequential logic
- Multiplexers: Dedicated routing resources for efficient signal distribution
- Block RAM Columns: Two columns positioned on opposite sides for fast data access
Applications and Use Cases
Industrial Automation and Control
The XC2S200-6FGG870C excels in industrial automation applications where precise control and real-time processing are critical:
- Motor Control Systems: Implementing PWM generation, encoder interfaces, and feedback control loops
- PLC Replacement: Custom programmable logic controllers with tailored I/O configurations
- Process Monitoring: Real-time data acquisition and sensor interfacing
- Machine Vision: Pre-processing and feature extraction for vision systems
Communication Systems
| Application Area |
Implementation Benefits |
| Protocol Converters |
Flexible protocol bridging between different standards |
| Data Encoding/Decoding |
Hardware acceleration for communication protocols |
| Serial Interfaces |
UART, SPI, I2C, and custom serial communication |
| Network Routers |
Packet processing and routing logic |
Digital Signal Processing
The XC2S200’s architecture supports various DSP applications:
- Audio Processing: Real-time audio filtering, mixing, and effects
- Image Processing: Edge detection, convolution, and transformation algorithms
- Signal Filtering: FIR/IIR filter implementation with dedicated multipliers
- Data Compression: Hardware-accelerated compression algorithms
Embedded Systems Development
- Soft Processor Cores: MicroBlaze or custom processor implementation
- Co-Processor Applications: Hardware acceleration for specific tasks
- Peripheral Controllers: Custom interface controllers for specialized hardware
- System-on-Chip Prototyping: Rapid prototyping for ASIC development
Speed Grade and Temperature Range
Understanding the -6 Speed Grade
The “-6” designation in XC2S200-6FGG870C indicates the fastest speed grade available for commercial temperature range applications:
| Speed Grade |
Maximum Frequency |
Typical Application |
| -6 |
263 MHz |
High-performance, time-critical designs |
| -5 |
Lower frequency |
Standard performance applications |
Important Note: The -6 speed grade is exclusively available for Commercial temperature range (C suffix: 0°C to +85°C).
Temperature Range Options
| Range |
Temperature |
Suffix |
Typical Applications |
| Commercial |
0°C to +85°C |
C |
Consumer electronics, standard industrial |
| Industrial |
-40°C to +100°C |
I |
Harsh environments, automotive |
Package Information and Pin Configuration
Standard XC2S200 Package Options
While the FGG870C designation requires verification, standard XC2S200 packages include:
| Package Type |
Pin Count |
Package Size |
User I/Os Available |
| PQG208 |
208-pin PQFP |
28mm x 28mm |
140 I/Os |
| FGG256 |
256-ball FBGA |
17mm x 17mm |
176 I/Os |
| FGG456 |
456-ball FBGA |
23mm x 23mm |
284 I/Os |
Pb-Free and RoHS Compliance
The “G” character in FGG packages indicates Pb-free (lead-free) packaging options, complying with RoHS environmental standards. This makes the XC2S200-6FGG870C suitable for applications requiring environmental compliance.
Programming and Configuration
Configuration Methods
The XC2S200 supports multiple configuration modes:
| Configuration Mode |
Description |
Use Case |
| Master Serial |
FPGA controls configuration timing |
Standalone applications |
| Slave Serial |
External device provides clock |
Multi-FPGA systems |
| JTAG |
Boundary scan configuration |
Development and debugging |
| Master/Slave Parallel |
8-bit parallel data transfer |
High-speed configuration |
Design Tools and Software Support
Xilinx ISE Design Suite provides comprehensive support for XC2S200 development:
- Synthesis: XST (Xilinx Synthesis Technology)
- Implementation: Place and Route optimization
- Simulation: ModelSim integration
- Constraints: UCF (User Constraint File) for timing and pin placement
- Programming: iMPACT for device configuration
Power Consumption and Efficiency
Voltage Requirements
| Power Rail |
Voltage |
Purpose |
| VCCINT |
2.5V |
Internal logic core supply |
| VCCO |
1.8V – 3.3V |
I/O bank supply (configurable) |
| VCCAUX |
2.5V |
DLL and auxiliary circuits |
Power Optimization Features
The XC2S200-6FGG870C implements several power-saving features:
- Programmable I/O Standards: Select appropriate voltage levels for each bank
- Selective Clock Gating: Reduce dynamic power in inactive logic
- Low-Power Configuration: Optimize design for minimal power consumption
- Sleep Modes: Reduce standby current when logic is inactive
Advantages Over ASICs and Other Solutions
Why Choose XC2S200-6FGG870C?
| Feature |
FPGA Advantage |
ASIC Comparison |
| Development Cost |
Low initial investment |
High NRE costs ($100K+) |
| Time to Market |
Days to weeks |
Months to years |
| Design Flexibility |
Field-upgradeable |
Fixed functionality |
| Risk Mitigation |
Iterative development |
High commitment risk |
| Volume Economics |
Cost-effective for low-medium volumes |
Economical only at high volumes |
Spartan-II vs. Competing FPGAs
The Spartan-II family offers an optimal balance of cost, performance, and features:
- Cost Optimization: Lower per-unit cost compared to higher-end families
- Proven Architecture: Mature, well-documented design flow
- Wide Availability: Established supply chain and multiple distributors
- Design Reusability: Compatible with migration paths to newer devices
Design Considerations and Best Practices
Clock Management
The XC2S200 includes four Delay-Locked Loops (DLLs) for advanced clock management:
- Clock De-skewing: Eliminate clock distribution delays
- Clock Multiplication/Division: Generate multiple frequencies from single source
- Phase Shifting: Precise phase control for timing-critical applications
- Clock Mirroring: Synchronize multiple FPGAs on a board
I/O Planning and PCB Layout
Critical Design Guidelines:
- Power Decoupling: Place 0.1μF capacitors near each power pin
- Ground Planes: Solid ground plane for signal integrity
- I/O Banking: Group similar voltage standards in the same bank
- Signal Integrity: Terminate high-speed signals appropriately
- Thermal Management: Adequate airflow or heatsinking for high-utilization designs
Resource Utilization Tips
| Resource |
Best Practice |
| LUTs |
Optimize logic equations for minimal LUT usage |
| Flip-Flops |
Register all outputs for improved timing |
| Block RAM |
Use for large memory structures instead of distributed RAM |
| Routing |
Minimize long-distance nets for better performance |
Comparison with Other XC2S200 Variants
XC2S200 Package Comparison
| Part Number |
Package |
Speed |
Temp Range |
Best For |
| XC2S200-6FGG456C |
456-FBGA |
-6 |
Commercial |
Maximum I/O density |
| XC2S200-5FGG256C |
256-FBGA |
-5 |
Commercial |
Balanced size/performance |
| XC2S200-5PQG208I |
208-PQFP |
-5 |
Industrial |
Harsh environments |
| XC2S200-6FGG870C |
Custom(?) |
-6 |
Commercial |
Verify with supplier |
Development Resources and Support
Getting Started with XC2S200-6FGG870C
Essential Documentation:
- Spartan-II Family Data Sheet (DS001)
- Spartan-II User Guide
- Packaging and Pinout Specifications
- Application Notes for specific use cases
- Reference Designs and IP Cores
Evaluation Boards
For prototyping and development, consider:
- Spartan-II Starter Kits
- Custom evaluation boards from distributors
- Development platforms with XC2S200 sockets
- Compatible JTAG programming cables
Frequently Asked Questions
What is the difference between XC2S200 speed grades?
The speed grade (-5, -6) indicates the maximum operating frequency. The -6 grade offers the highest performance (263 MHz) and is available only for commercial temperature range.
Can I upgrade from XC2S100 to XC2S200?
Yes, within the same package type, Spartan-II devices are designed with pin compatibility for easy migration to higher-density devices.
What programming cable do I need?
The XC2S200 requires a JTAG programming cable compatible with Xilinx Platform Cable USB or similar third-party JTAG programmers.
Is the XC2S200 still in production?
The Spartan-II family is a mature product line. Check with authorized distributors for current availability and recommended alternatives for new designs.
What tools are required for development?
Xilinx ISE Design Suite (older versions support Spartan-II) or compatible third-party tools for synthesis, implementation, and programming.
Where to Buy XC2S200-6FGG870C
Authorized Distributors
Purchase from reputable sources to ensure genuine parts:
- Authorized Xilinx/AMD distributors
- Electronic component distributors (Digi-Key, Mouser, Arrow)
- Regional electronics suppliers
- Specialty FPGA vendors
Procurement Considerations
- Verify package marking and part number authenticity
- Request certificates of conformance
- Check lead times for specific packages
- Consider lifecycle status for long-term projects
- Evaluate alternative newer FPGA families for new designs
Migration Path and Future-Proofing
Moving to Newer FPGA Families
While the XC2S200 remains a capable device, consider these migration options:
| Current Device |
Upgrade Path |
Advantages |
| XC2S200 |
Spartan-3/3E |
More logic, lower power |
| XC2S200 |
Spartan-6 |
Advanced I/O, better tools |
| XC2S200 |
Artix-7 |
Modern architecture, 7-series benefits |
Conclusion
The XC2S200-6FGG870C FPGA represents a powerful, cost-effective solution for a wide range of digital design applications. With 200,000 system gates, 5,292 logic cells, and flexible I/O options, this Spartan-II family member continues to serve industries requiring reliable, programmable logic solutions.
Key Takeaways:
- Versatile Architecture: Suitable for diverse applications from industrial control to signal processing
- Cost-Effective: Lower NRE and faster time-to-market compared to ASICs
- Proven Technology: Mature, well-supported platform with extensive documentation
- Flexible Configuration: Multiple programming modes and field-upgradeable capability
- Package Verification: Confirm FGG870C package specifications with your supplier
For more information about Xilinx FPGA products and to explore the full range of Spartan-II devices, consult with authorized distributors or visit AMD’s technical documentation portal.
