Overview of the XC2S200-6FGG935C FPGA
The XC2S200-6FGG935C represents a powerful solution in the Spartan-II FPGA family, delivering exceptional programmable logic capabilities for cost-sensitive applications. This field-programmable gate array combines 200,000 system gates with advanced I/O features in a fine-pitch BGA package, making it ideal for telecommunications, industrial control, and digital signal processing applications.
Key Features and Capabilities
The XC2S200-6FGG935C offers a comprehensive feature set that addresses diverse design requirements:
- System Gates: 200,000 gates providing substantial logic capacity
- Package Type: 935-pin Fine-Pitch Grid Array (FGG935)
- Speed Grade: -6 performance grade for demanding applications
- Operating Voltage: 2.5V core voltage with 3.3V I/O compatibility
- Architecture: Advanced Spartan-II platform with enhanced routing resources
Technical Specifications Table
| Parameter |
Specification |
| Device Family |
Spartan-II |
| System Gates |
200,000 |
| Logic Cells |
4,704 |
| CLB Array |
28 x 28 |
| Total Block RAM |
56 Kbits |
| Max User I/O |
684 |
| Package Type |
FGG935 (Fine-pitch BGA) |
| Speed Grade |
-6 |
| Core Voltage |
2.5V |
Detailed Architecture and Performance
Configurable Logic Block Structure
The XC2S200-6FGG935C utilizes an optimized CLB architecture that delivers maximum flexibility:
- 4,704 logic cells organized in a 28×28 array
- Each CLB contains four logic slices
- Dual 4-input lookup tables (LUTs) per slice
- Dedicated carry logic for arithmetic operations
- Fast distributed RAM capability
Memory Resources and Configuration
| Memory Type |
Capacity |
Configuration Options |
| Block RAM |
56 Kbits total |
Single/Dual Port |
| Distributed RAM |
Variable |
16×1, 32×1, 16×2 modes |
| Configuration Memory |
1,327,104 bits |
SelectRAM technology |
Input/Output Capabilities
The FGG935 package provides exceptional I/O density:
- Up to 684 user-configurable I/O pins
- Multiple I/O standards support (LVTTL, LVCMOS, PCI, GTL+)
- Programmable slew rate control
- Individual pin tri-state capability
- Hot-swappable I/O support
Performance Characteristics
Speed and Timing Parameters
| Parameter |
-6 Speed Grade |
| Maximum System Frequency |
200+ MHz (design dependent) |
| Clock-to-Out Delay |
4.5 ns (typical) |
| Setup Time |
1.8 ns (typical) |
| Routing Delay |
Optimized for high-speed designs |
Power Consumption Profile
The XC2S200-6FGG935C implements efficient power management:
- Static power: Low standby current
- Dynamic power: Scales with operating frequency
- Power-down modes for unused resources
- Voltage scaling capabilities
Application Areas and Use Cases
Industrial Automation Applications
The XC2S200-6FGG935C excels in industrial environments:
- Motor control systems
- Programmable logic controllers (PLCs)
- Sensor interface modules
- Industrial networking equipment
Communications Infrastructure
Telecommunications applications benefit from the device’s capabilities:
- Protocol conversion modules
- Network switching fabrics
- Wireless base station components
- Digital subscriber line (DSL) equipment
Digital Signal Processing
DSP applications leverage the FPGA’s architecture:
- Real-time filtering operations
- Image processing pipelines
- Audio/video codec implementations
- Software-defined radio platforms
Design Implementation Guide
Configuration Options
| Configuration Mode |
Description |
Use Case |
| Master Serial |
FPGA controls configuration |
Stand-alone systems |
| Slave Serial |
External processor control |
Embedded designs |
| JTAG |
Boundary-scan interface |
Development/debug |
| SelectMAP |
Parallel configuration |
Fast reconfiguration |
Development Tool Compatibility
The XC2S200-6FGG935C integrates seamlessly with industry-standard tools:
- ISE Design Suite support
- Timing Analyzer for performance verification
- ChipScope Pro for in-system debugging
- CORE Generator for IP integration
Package and Thermal Specifications
FGG935 Package Details
| Specification |
Value |
| Package Pins |
935 |
| Ball Pitch |
1.0 mm |
| Package Dimensions |
35mm x 35mm (nominal) |
| Thermal Resistance (θJA) |
Contact manufacturer for specifics |
| Operating Temperature |
Commercial/Industrial grades available |
Reliability and Quality
The device meets stringent reliability standards:
- RoHS compliant manufacturing
- Automotive-grade options available
- Extended temperature range support
- Comprehensive quality assurance testing
Competitive Advantages
Why Choose the XC2S200-6FGG935C
This FPGA delivers multiple benefits for system designers:
- High I/O Count: The FGG935 package maximizes connectivity options
- Proven Architecture: Spartan-II reliability in volume production
- Cost-Effective: Optimal price-performance ratio for medium-density applications
- Design Portability: Easy migration path within the Spartan family
- Extensive Support: Comprehensive documentation and reference designs
Performance Benchmarks
The -6 speed grade provides:
- Enhanced timing margins for critical paths
- Superior clock distribution networks
- Optimized place-and-route results
- Reduced design iteration cycles
Integration and System Design
Board Layout Considerations
Successful implementation requires attention to:
- Decoupling capacitor placement (0.1µF and 0.01µF recommended)
- Power supply sequencing requirements
- Signal integrity for high-speed I/O
- Thermal management solutions
Interface Standards Support
| Standard |
Voltage |
Application |
| LVTTL |
3.3V |
General purpose I/O |
| LVCMOS |
2.5V/3.3V |
Low-voltage systems |
| PCI 33/66 |
3.3V |
Peripheral interfaces |
| GTL+ |
1.5V ref |
High-speed backplanes |
Sourcing and Support Resources
For comprehensive information about Xilinx FPGA products and technical resources, designers can access detailed datasheets, application notes, and reference designs through authorized channels.
Technical Documentation
Essential resources include:
- Complete datasheet with AC/DC specifications
- User guide for Spartan-II architecture
- Configuration guide and tutorials
- PCB design guidelines for FGG packages
Design Support
Access to development resources:
- Reference design library
- Application notes for specific use cases
- Online community forums
- Technical support channels
Conclusion
The XC2S200-6FGG935C delivers a compelling combination of logic capacity, I/O resources, and performance capabilities for mid-range FPGA applications. Its 935-pin package provides maximum connectivity while maintaining cost-effectiveness, making it an excellent choice for industrial, communications, and signal processing designs. With proven Spartan-II architecture and comprehensive development tool support, this device enables efficient implementation of complex digital systems with confidence in reliability and long-term availability.
Whether you’re developing next-generation industrial controllers, telecommunications equipment, or sophisticated DSP platforms, the XC2S200-6FGG935C provides the resources and flexibility needed to bring innovative designs to market efficiently.
