Overview of XC5215DG2C5 FPGA Technology
The XC5215DG2C5 is a high-performance field-programmable gate array from the Xilinx XC5200 family, designed to deliver exceptional cost-effectiveness and robust programmable logic capabilities. This SRAM-based FPGA represents a proven solution for embedded system design, featuring advanced VersaBlock architecture and comprehensive I/O interface capabilities.
As part of the acclaimed XC5200 series, the XC5215DG2C5 builds upon three generations of successful FPGA technology from Xilinx, now part of AMD’s programmable logic portfolio. This device offers engineers a reliable platform for implementing complex digital logic designs across industrial, telecommunications, and embedded computing applications.
Key Technical Specifications
Core FPGA Parameters
| Specification |
Value |
| Logic Cells |
1,936 cells |
| Gate Count |
23,000 equivalent gates |
| Process Technology |
0.5μm three-layer metal CMOS |
| Supply Voltage |
5V |
| Maximum Operating Frequency |
83 MHz |
| Architecture Type |
SRAM-based reprogrammable |
| I/O Pins |
Up to 244 user I/O signals |
Package and Temperature Specifications
| Parameter |
Details |
| Package Type |
Varies by part suffix (BG, PQ, HQ series) |
| Operating Temperature |
Industrial and commercial grades available |
| Configuration Method |
Serial, Parallel, Express mode |
| Reprogrammability |
Unlimited program/erase cycles |
Advanced Architecture Features
VersaBlock Logic Module
The XC5215DG2C5 incorporates Xilinx’s innovative VersaBlock architecture, which combines configurable logic blocks (CLBs) with sophisticated local interconnect resources. This design approach creates what is effectively a “sea of logic cells” that maximizes resource utilization and minimizes routing delays.
Key VersaBlock Components:
- Local Interconnect Matrix (LIM) for efficient short-distance routing
- Direct connects to neighboring CLBs
- Four 3-state buffers per VersaBlock with shared enable
- Horizontal Longlines for robust on-chip bus implementation
VersaRing I/O Interface
The proprietary VersaRing I/O architecture provides exceptional flexibility for interfacing with external components:
- High logic cell to I/O ratio optimization
- Programmable output slew-rate control for noise reduction
- Zero flip-flop hold time for input registers
- Support for multiple I/O standards
- Bidirectional buffer capability
Design and Development Support
Compatible Design Tools
| Tool Category |
Supported Platforms |
| Schematic Capture |
Industry-standard CAD tools |
| HDL Synthesis |
VHDL, Verilog HDL |
| High-Level Design |
ABEL, logic synthesis tools |
| Implementation |
XACTstep development system |
| Timing Analysis |
Built-in timing calculator |
| Workstation Support |
PC and Unix workstations |
Programming and Configuration Options
The XC5215DG2C5 supports multiple configuration modes to accommodate diverse system requirements:
- Serial Mode – Compact configuration through RS232 interface
- Parallel Mode – High-speed configuration via microprocessor interface
- Express Mode – 8x faster configuration with byte-wide data transfer
- Daisy Chain – Multiple FPGA configuration support
Application Areas and Use Cases
Industrial Automation and Control
The XC5215DG2C5 excels in industrial control applications requiring reliable, field-programmable logic:
- PLC module replacement and enhancement
- Motor control and drive systems
- Industrial communication protocol implementation
- Sensor interface and data acquisition
- Real-time monitoring and control systems
Telecommunications Infrastructure
With its robust architecture and high I/O count, this FPGA serves telecommunications applications:
- Protocol conversion and bridging
- Digital signal processing pipelines
- Line interface units
- Custom communication controllers
- Test and measurement equipment
Embedded Systems Development
The flexible architecture makes the XC5215DG2C5 ideal for embedded applications:
- Custom peripheral controllers
- Glue logic consolidation
- Prototype development
- Legacy system upgrades
- System-on-chip (SoC) integration
Performance Characteristics
Timing and Speed Grades
The XC5215DG2C5 is available in multiple speed grades to match application requirements:
| Speed Grade |
Maximum Frequency |
Typical Applications |
| -4 |
Up to 100 MHz |
High-performance computing |
| -5 |
Up to 83 MHz |
General-purpose logic |
| -6 |
Standard performance |
Cost-sensitive designs |
Power Consumption Profile
The 0.5μm CMOS process technology delivers excellent power efficiency:
- Static power consumption minimized through CMOS design
- Dynamic power scales with clock frequency and toggle rate
- Power-down modes available for unused circuitry
- 5V single-supply operation simplifies power design
Comparison with Contemporary FPGA Solutions
XC5215DG2C5 vs. Modern FPGAs
While the XC5215DG2C5 represents mature FPGA technology, it remains valuable for specific applications:
Advantages:
- Proven reliability in industrial environments
- Simple 5V single-supply operation
- Extensive legacy design support
- Cost-effective for appropriate applications
- Well-documented and characterized performance
Considerations:
- Lower density compared to current Xilinx FPGA devices
- Not recommended for new high-density designs
- Limited compared to modern DSP and embedded processor FPGAs
Design Implementation Guidelines
Best Practices for XC5215DG2C5 Design
To maximize performance and utilization when designing with the XC5215DG2C5:
- Resource Planning – Carefully partition logic to utilize VersaBlock locality
- Timing Constraints – Use T-Performance features for critical paths
- I/O Strategy – Leverage VersaRing capabilities for optimal signal integrity
- Hierarchical Design – Implement modular architecture aligned with FPGA structure
- RPM Utilization – Apply Relationally Placed Macros for common functions
Configuration and Programming Considerations
Successful FPGA deployment requires attention to configuration details:
- Select appropriate configuration mode based on system architecture
- Ensure adequate CCLK frequency for configuration timing
- Implement proper power sequencing during configuration
- Consider bitstream security for proprietary designs
- Plan for in-system reprogrammability if required
Quality and Reliability Specifications
Environmental and Quality Standards
The XC5215DG2C5 meets stringent quality requirements:
| Standard |
Compliance |
| Testing |
100% functional testing per MIL-M-38510/605 methods |
| Temperature Cycling |
Full industrial temperature range options |
| ESD Protection |
Built-in protection on all pins |
| Latch-up Immunity |
CMOS latch-up resistant design |
| MTBF |
Extensive field reliability data available |
Soldering and Assembly Specifications
Maximum soldering temperature: 260°C for 10 seconds (1/16 inch from body)
Supply Chain and Availability
Authorized Distribution Channels
The XC5215DG2C5 is available through authorized Xilinx/AMD distributors worldwide:
- Rochester Electronics (authorized source)
- Major electronic component distributors
- Specialized FPGA suppliers
- Regional electronics distributors
Part Number Decoding
Understanding the XC5215DG2C5 nomenclature:
- XC5215 – Device family and gate count
- DG2 – Package designation
- C – Commercial temperature grade (0°C to +70°C)
- 5 – Speed grade (-5 = 83 MHz typical)
Technical Support Resources
Documentation and Design Resources
Comprehensive technical support is available for XC5215DG2C5 implementation:
- Complete device datasheets with AC/DC specifications
- Application notes for common design patterns
- Reference designs and example projects
- XACTstep software documentation
- Online technical forums and community support
Migration and Upgrade Paths
For systems requiring enhanced capabilities, consider migration to:
- Higher-density XC5200 family members (XC5210, XC5204)
- Modern Xilinx Spartan or Artix families for new designs
- Advanced FPGA solutions with integrated processors
Frequently Asked Questions
Q: Is the XC5215DG2C5 suitable for new designs?
A: While functionally capable, this device is considered mature technology. For new projects, modern Xilinx FPGA alternatives offer superior density, power efficiency, and features.
Q: What development tools support this FPGA?
A: The XC5215DG2C5 is supported by Xilinx XACTstep and ISE Foundation tools, with compatibility for industry-standard HDL synthesis and schematic capture tools.
Q: Can I use modern Vivado tools?
A: No, the XC5200 family requires legacy Xilinx ISE or XACTstep tools. Vivado supports only newer architecture families.
Q: What is the maximum user I/O available?
A: Depending on package selection, the XC5215 supports up to 244 user I/O signals through the VersaRing interface.
Q: Is the device still in production?
A: The XC5215DG2C5 is maintained by authorized suppliers like Rochester Electronics, which provides long-term availability for legacy designs and industrial applications.
Conclusion: XC5215DG2C5 Value Proposition
The XC5215DG2C5 represents a mature, reliable FPGA solution for applications requiring proven programmable logic technology. With 23,000 equivalent gates, 1,936 logic cells, and sophisticated VersaBlock architecture, this device continues to serve industrial, embedded, and telecommunications markets where stability and long-term availability are paramount.
While not recommended for new high-density designs, the XC5215DG2C5 offers distinct advantages for legacy system support, industrial control replacement, and applications where the 5V single-supply operation and proven reliability outweigh the benefits of newer FPGA technologies.
For engineers maintaining existing systems or developing cost-sensitive industrial solutions, the XC5215DG2C5 provides a well-documented, thoroughly characterized platform with extensive community knowledge and long-term supply chain support through authorized distributors.
