The XC2S200-6FGG491C is a powerful field-programmable gate array (FPGA) from AMD’s renowned Spartan-II family, engineered to deliver exceptional digital processing performance for demanding industrial and commercial applications. This versatile programmable logic device combines advanced architecture with cost-effective implementation, making it an ideal solution for engineers seeking reliable FPGA capabilities in telecommunications, automotive systems, and industrial automation.
Key Features of the XC2S200-6FGG491C FPGA
The XC2S200-6FGG491C offers an impressive combination of logic capacity, memory resources, and high-speed performance that sets it apart in the mid-range FPGA market segment.
Core Architecture Specifications
The XC2S200-6FGG491C is built on AMD’s proven Spartan-II architecture, featuring:
- 200,000 System Gates providing substantial logic capacity for complex digital designs
- 5,292 Logic Cells organized in a 28 x 42 CLB array with 1,176 total Configurable Logic Blocks
- 75,264 Bits of Distributed RAM for flexible on-chip memory implementation
- 56K Bits of Dedicated Block RAM supporting high-speed data buffering and storage
- 284 Maximum User I/O Pins enabling extensive connectivity options
- 0.18μm CMOS Process Technology delivering excellent power efficiency
Package and Performance Details
The FGG491 package designation indicates this Xilinx FPGA utilizes a Fine-pitch Ball Grid Array (FBGA) configuration with 491 balls. This Pb-free (lead-free) package offers:
- Compact Form Factor optimizing PCB space utilization
- Enhanced Thermal Performance for reliable operation under demanding conditions
- Superior Signal Integrity through optimized ball grid array design
- RoHS Compliance meeting environmental and safety standards
Technical Specifications Table
| Parameter |
Specification |
| Device Family |
Spartan-II |
| System Gates |
200,000 |
| Logic Cells |
5,292 |
| CLB Array |
28 x 42 |
| Total CLBs |
1,176 |
| Distributed RAM |
75,264 bits |
| Block RAM |
56K bits |
| Maximum User I/O |
284 |
| DLLs |
4 |
| Package Type |
FGG491 (Fine-pitch BGA, Pb-free) |
| Speed Grade |
-6 |
| Core Voltage |
2.5V |
| I/O Voltage |
3.3V |
| Process Technology |
0.18μm |
| Operating Temperature |
0°C to +85°C (Commercial) |
Advanced Clock Management with Four DLLs
The XC2S200-6FGG491C incorporates four Delay-Locked Loops (DLLs), one positioned at each corner of the die. These DLLs provide:
Clock Distribution Benefits
- Zero-Delay Clock Buffering eliminating clock distribution delays
- Clock Multiplication and Division supporting flexible frequency synthesis
- Phase Shifting Capabilities for precise timing control
- Reduced Clock Skew ensuring synchronized operation across the device
Flexible I/O Standards Support
The XC2S200-6FGG491C supports 16 selectable I/O standards, providing exceptional interfacing flexibility for diverse system requirements:
Supported Interface Standards
- LVTTL (Low-Voltage TTL) with 5V tolerance
- LVCMOS (Low-Voltage CMOS) for modern digital interfaces
- PCI 3.3V and 5V enabling direct peripheral component interconnection
- SSTL (Stub Series Terminated Logic) for high-speed memory interfaces
- GTL (Gunning Transceiver Logic) supporting backplane applications
- HSTL (High-Speed Transceiver Logic) for advanced system buses
The LVTTL, LVCMOS2, and PCI interfaces offer 5V tolerance, simplifying integration with legacy systems while maintaining compatibility with modern low-voltage designs.
Memory Architecture Options
Distributed RAM Configuration
The 75,264 bits of distributed RAM can be configured as:
- 16 x 1-bit Synchronous RAM per LUT
- 16 x 2-bit or 32 x 1-bit RAM per slice pair
- Shift Register Implementation for high-speed data pipelines
Block RAM Features
The 56K bits of dedicated block RAM support:
- Single-Port RAM for standard memory operations
- Dual-Port RAM enabling simultaneous read/write access
- ROM Configuration for lookup tables and constant storage
- FIFO Implementation for data buffering applications
Industrial Applications of the XC2S200-6FGG491C
The XC2S200-6FGG491C FPGA excels across numerous industrial and commercial applications:
Telecommunications Infrastructure
- Network routers and switches
- Base station equipment
- Protocol converters
- Data encoding and decoding systems
Industrial Automation Systems
- Motor control applications
- Process control systems
- Programmable logic controllers
- Factory automation equipment
Automotive Electronics
- Advanced driver-assistance systems (ADAS)
- Infotainment systems
- Vehicle diagnostics
- Sensor interface modules
Medical Device Applications
- Patient monitoring equipment
- Diagnostic instruments
- Imaging system controllers
- Medical data processing
Consumer Electronics
- Video processing systems
- Audio equipment
- Gaming consoles
- Smart home devices
Advantages Over Mask-Programmed ASICs
The XC2S200-6FGG491C offers significant benefits compared to traditional ASIC solutions:
Development Benefits
- Eliminates NRE Costs avoiding expensive mask charges
- Faster Time-to-Market with rapid prototyping capabilities
- Field Upgradability allowing design modifications without hardware replacement
- Reduced Development Risk through iterative design refinement
Operational Advantages
- In-System Programmability via JTAG interface
- Design Flexibility supporting algorithm changes throughout product lifecycle
- Multiple Configuration Modes including Master Serial, Slave Serial, and Slave Parallel
- Boundary Scan Support for comprehensive testing and debugging
Configuration and Programming Options
The XC2S200-6FGG491C supports multiple configuration approaches:
Configuration Modes
- Master Serial Mode using external configuration PROMs
- Slave Serial Mode for processor-controlled configuration
- Slave Parallel Mode enabling high-speed configuration
- JTAG Boundary Scan for development and production testing
Compatible Development Tools
The XC2S200-6FGG491C is fully supported by:
- ISE Design Suite for complete FPGA development workflow
- Vivado Design Suite for advanced synthesis and implementation
- VHDL and Verilog hardware description language support
- Third-Party IP Cores expanding functionality with pre-verified designs
Speed Grade -6 Performance Characteristics
The -6 speed grade designation indicates this device is optimized for high-performance applications, offering:
- Maximum Clock Frequency up to 263 MHz for demanding timing requirements
- Fast Signal Propagation Delays enabling high-speed digital processing
- Commercial Temperature Range (0°C to +85°C) operation
- Optimized Power-Performance Ratio for efficient system design
Ordering Information and Part Number Breakdown
The XC2S200-6FGG491C part number decodes as follows:
| Code |
Meaning |
| XC2S200 |
Spartan-II device with 200K system gates |
| -6 |
Speed grade (highest performance, Commercial only) |
| FG |
Fine-pitch Ball Grid Array package |
| G |
Pb-free (lead-free) packaging |
| 491 |
Number of package balls |
| C |
Commercial temperature range (0°C to +85°C) |
Quality and Compliance Standards
The XC2S200-6FGG491C meets rigorous quality and environmental standards:
- RoHS Compliant meeting Restriction of Hazardous Substances requirements
- REACH Compliant adhering to EU chemical regulations
- WEEE Compliant supporting proper end-of-life disposal
- ESD Protection with anti-static packaging for safe handling
Conclusion
The XC2S200-6FGG491C represents an excellent choice for engineers requiring a reliable, high-performance FPGA solution in a cost-effective package. With its 200,000 system gates, 5,292 logic cells, comprehensive memory resources, and flexible I/O capabilities, this Spartan-II device delivers the performance and versatility needed for successful implementation across telecommunications, industrial automation, automotive, and consumer electronics applications.
Whether developing prototypes or deploying production systems, the XC2S200-6FGG491C provides the programmable logic foundation for innovative digital designs backed by comprehensive development tools and global support infrastructure.
