The XC2S200-6FGG791C represents a premium configuration within the Spartan-II FPGA family, manufactured by AMD Xilinx. This advanced field-programmable gate array combines 200,000 system gates with 5,292 logic cells in a robust 791-ball Fine-pitch Ball Grid Array (FBGA) package, delivering exceptional performance for complex digital design applications. Operating at 2.5V core voltage with a -6 speed grade designation, this device achieves system performance up to 200 MHz, making it ideal for demanding industrial, communications, and embedded system applications.
Technical Specifications and Key Features
Core Architecture Specifications
| Specification |
Value |
| Device Family |
Spartan-II |
| Logic Cells |
5,292 |
| System Gates |
200,000 |
| CLB Array Configuration |
28 x 42 (1,176 total CLBs) |
| Maximum User I/O Pins |
284 |
| Distributed RAM |
75,264 bits |
| Block RAM |
56K bits (57,344 bits) |
| Speed Grade |
-6 (200 MHz performance) |
| Core Voltage |
2.5V |
| Technology Node |
0.18µm process |
Package and Environmental Details
| Parameter |
Specification |
| Package Type |
FGG791 – Fine-pitch Ball Grid Array |
| Total Ball Count |
791 balls |
| Operating Temperature |
Commercial (C): 0°C to +85°C |
| Package Marking |
Pb-free (Green packaging with “G” designation) |
| RoHS Compliance |
RoHS compliant |
Understanding the XC2S200-6FGG791C Part Number
Breaking down the part number XC2S200-6FGG791C:
- XC2S200: Device type – Spartan-II family with 200K system gates
- -6: Speed grade indicating fastest performance tier
- FGG: Fine-pitch Ball Grid Array package type
- 791: Number of balls in the package
- C: Commercial temperature range (0°C to +85°C)
Advanced FPGA Architecture and Design Resources
Configurable Logic Blocks (CLBs)
The XC2S200-6FGG791C features 1,176 Configurable Logic Blocks arranged in a 28 x 42 matrix, providing substantial resources for implementing complex logic functions, state machines, and arithmetic operations. Each CLB contains multiple look-up tables (LUTs), flip-flops, and multiplexers, enabling flexible digital circuit implementation.
Memory Architecture
| Memory Type |
Capacity |
Application |
| Distributed RAM |
75,264 bits |
Small, fast buffers and FIFOs |
| Block RAM |
56K bits |
Large data storage, packet buffers |
| Total Memory |
132,608 bits |
Combined storage capability |
I/O Capabilities and Flexibility
With 284 maximum available user I/O pins (excluding four global clock inputs), the XC2S200-6FGG791C provides extensive connectivity options for interfacing with external components, sensors, communication protocols, and control systems. The 791-ball package offers superior routing density compared to smaller packages, making it optimal for high-pin-count applications.
Performance Characteristics and Speed Specifications
Operating Frequency and Timing
The -6 speed grade represents the fastest performance tier in the Spartan-II family, supporting:
- System clock frequencies up to 200 MHz
- Low propagation delays for time-critical applications
- Optimized routing for high-speed signal processing
- Enhanced performance for complex sequential logic
Power and Thermal Management
Operating at 2.5V core voltage with advanced 0.18µm CMOS technology, the XC2S200-6FGG791C delivers:
- Efficient power consumption for extended operation
- Reduced heat generation in high-density designs
- Reliable performance across commercial temperature range
- Sustainable operation in space-constrained environments
Application Areas and Industry Use Cases
Communications and Networking Systems
The XC2S200-6FGG791C excels in communication applications requiring:
- Protocol conversion and bridging
- Network packet processing
- Data encryption/decryption engines
- High-speed serial interface implementation
- Telecommunications equipment control
Industrial Automation and Control
Industrial applications benefiting from this Xilinx FPGA include:
- Motor control systems with precise PWM generation
- PLC (Programmable Logic Controller) implementations
- Sensor data acquisition and processing
- Factory automation controllers
- Process monitoring and control systems
Medical Equipment and Instrumentation
| Application |
Benefits |
| Medical Imaging |
Real-time image processing and enhancement |
| Patient Monitoring |
Multi-channel data acquisition and analysis |
| Diagnostic Equipment |
Signal conditioning and pattern recognition |
| Laboratory Instruments |
Precise timing and measurement control |
Embedded Systems and Consumer Electronics
The versatility of the XC2S200-6FGG791C supports:
- Custom embedded processors and co-processors
- Digital signal processing (DSP) applications
- Video and audio processing pipelines
- Display controller implementations
- Consumer device interface controllers
Development Tools and Design Software
ISE Design Suite Compatibility
The XC2S200-6FGG791C is fully supported by Xilinx ISE (Integrated Software Environment) Design Suite, providing:
- Schematic and HDL-based design entry
- Comprehensive synthesis and implementation tools
- Timing analysis and constraint management
- In-system debugging capabilities
- Configuration file generation
Programming and Configuration Options
| Configuration Method |
Interface |
Application |
| JTAG |
4-pin boundary scan |
Development and debugging |
| Master Serial |
SPI-compatible |
Standalone embedded systems |
| Slave Serial |
External controller |
System-controlled configuration |
| Master Parallel |
8-bit data bus |
Fast configuration applications |
Advantages of the 791-Ball BGA Package
Enhanced Routing and Signal Integrity
The FGG791 package provides:
- Maximum pin density for complex designs
- Shorter signal paths reducing parasitic effects
- Superior electrical performance at high frequencies
- Reduced electromagnetic interference (EMI)
- Better thermal dissipation compared to smaller packages
Design Flexibility Benefits
Engineers choosing the 791-ball package gain:
- More I/O pins for multi-interface applications
- Flexibility in power distribution planning
- Enhanced signal-to-ground ratio
- Improved decoupling capacitor placement options
- Better board-level routing capabilities
Comparison with Alternative Package Options
| Package Type |
Ball Count |
User I/Os |
Best For |
| FGG791 |
791 |
284 |
High-density, multi-interface systems |
| FG456 |
456 |
221 |
Moderate I/O requirements |
| PQ208 |
208 |
140 |
Space-constrained applications |
| FG256 |
256 |
176 |
Balanced size/performance designs |
Design Considerations and Best Practices
PCB Layout Guidelines
When designing with the XC2S200-6FGG791C:
- Use controlled-impedance traces for high-speed signals
- Implement solid ground and power planes
- Place decoupling capacitors close to power balls
- Follow manufacturer’s thermal via recommendations
- Ensure adequate solder mask definition for 791-ball pattern
Thermal Management Strategies
Effective thermal design includes:
- Thermal vias connecting to internal ground planes
- Heat sink attachment considerations for high-power applications
- Adequate airflow in enclosed systems
- Temperature monitoring in critical applications
Ordering Information and Availability
Part Number Structure
XC2S200-6FGG791C indicates:
- Pb-free (green) packaging with RoHS compliance
- Commercial temperature grade operation
- Fastest speed grade available (-6)
- 791-ball FBGA package configuration
Quality and Reliability Standards
Each XC2S200-6FGG791C device undergoes:
- Comprehensive functional testing
- Burn-in procedures for enhanced reliability
- Quality assurance per industry standards
- Traceability through manufacturing lot codes
Technical Support and Documentation Resources
Essential Documentation
| Document Type |
Purpose |
| Datasheet DS001 |
Complete technical specifications |
| User Guide |
Architecture and design methodology |
| Packaging Specifications |
Mechanical and thermal data |
| Application Notes |
Design examples and best practices |
Development Resources
Access comprehensive support materials including:
- Reference designs and example projects
- IP cores and design libraries
- Technical forums and community support
- FAQs and troubleshooting guides
Migration Path and Future-Proofing
While the Spartan-II family is considered mature technology, the XC2S200-6FGG791C remains valuable for:
- Legacy system maintenance and upgrades
- Cost-sensitive high-volume applications
- Proven designs requiring stable, long-term availability
- Applications where newer FPGA families offer unnecessary complexity
Conclusion: Why Choose XC2S200-6FGG791C
The XC2S200-6FGG791C delivers a compelling combination of performance, I/O density, and flexibility in the 791-ball BGA package. With 200,000 system gates, 5,292 logic cells, and 284 user I/O pins, this Spartan-II FPGA provides the resources needed for sophisticated digital designs across industrial, communications, medical, and embedded applications.
The -6 speed grade ensures maximum performance, while the 2.5V operation and 0.18µm technology offer reliable, efficient operation. For engineers requiring extensive I/O connectivity, robust memory resources, and proven FPGA technology, the XC2S200-6FGG791C represents an excellent choice for current and future projects.
Whether you’re developing industrial control systems, communication equipment, medical instrumentation, or custom embedded solutions, the XC2S200-6FGG791C provides the programmable logic resources, performance headroom, and package versatility to bring your designs to life successfully.
