Overview of XC2S100E-3TQ144C FPGA
The XC2S100E-3TQ144C is a powerful field-programmable gate array (FPGA) from AMD Xilinx’s renowned Spartan-IIE family, designed to deliver exceptional performance and flexibility for embedded system applications. This versatile FPGA solution combines 100,000 system gates with advanced programmable logic capabilities, making it an ideal choice for engineers seeking cost-effective alternatives to traditional ASICs.
Manufactured using advanced 0.15-micron CMOS technology, the XC2S100E-3TQ144C operates at 1.8V and comes housed in a compact 144-pin TQFP package. Whether you’re developing telecommunications equipment, industrial control systems, or consumer electronics, this Xilinx FPGA delivers the performance and reliability your project demands.
Key Features and Specifications
Core Technical Specifications
| Specification |
Details |
| Device Family |
Spartan-IIE 1.8V FPGA |
| Part Number |
XC2S100E-3TQ144C |
| System Gates |
100,000 gates |
| Logic Cells |
2,700 cells |
| CLBs (Configurable Logic Blocks) |
600 CLBs (20 x 30 array) |
| Maximum Frequency |
357 MHz |
| Process Technology |
0.15µm CMOS |
| Operating Voltage |
1.8V |
| Package Type |
144-Pin TQFP (Thin Quad Flat Pack) |
| Speed Grade |
-3 (industrial grade) |
Memory Architecture
| Memory Type |
Capacity |
Description |
| Block RAM |
40 Kbits total |
Configurable 4K-bit true dual-port blocks |
| Distributed RAM |
38,400 bits |
16 bits per LUT SelectRAM |
| Total User I/O |
202 pins maximum |
102 I/O available in TQ144 package |
Advanced FPGA Capabilities
The XC2S100E-3TQ144C incorporates several advanced features that distinguish it from competing programmable logic devices:
- SelectRAM Hierarchical Memory: Flexible memory architecture with both distributed and block RAM options
- Delay-Locked Loops (DLLs): Four DLLs for precise clock management and signal integrity
- Multiple I/O Standards: Supports 19 selectable I/O standards for versatile interfacing
- Unlimited Reprogrammability: In-system reconfiguration capability for field upgrades
- Virtex-E Architecture Heritage: Based on proven Virtex-E FPGA design principles
Performance Characteristics
Speed and Timing
| Parameter |
Value |
| Maximum Operating Frequency |
357 MHz |
| Speed Grade |
-3 |
| Internal Clock Distribution |
Four global clock networks |
| Clock Management |
Integrated DLL support |
Power and Thermal
The XC2S100E-3TQ144C operates efficiently at 1.8V core voltage, offering excellent power consumption characteristics suitable for battery-operated and power-sensitive applications. The -3 speed grade provides optimal balance between performance and power efficiency.
Package Information
TQ144 Package Details
The 144-pin TQFP package offers several advantages for PCB design and manufacturing:
- Package Type: Thin Quad Flat Pack (TQFP)
- Pin Count: 144 pins
- Available User I/O: 102 I/O pins
- Lead Pitch: Standard TQFP spacing
- Thermal Performance: Enhanced heat dissipation
- RoHS Compliance: Lead-free, environmentally friendly
Pin Configuration
The TQ144 package provides comprehensive connectivity options with 102 user-configurable I/O pins, four dedicated global clock inputs, and specialized configuration pins. This configuration balances functionality with a manageable footprint for space-constrained designs.
Application Areas
Industrial Automation
The XC2S100E-3TQ144C excels in industrial control applications where programmable logic and real-time processing are essential. Common uses include:
- Motor control systems
- Process automation controllers
- Data acquisition systems
- Industrial networking interfaces
- Programmable logic controllers (PLCs)
Telecommunications
With its high-frequency operation and flexible I/O capabilities, this FPGA is well-suited for:
- Protocol conversion equipment
- Base station controllers
- Digital signal processing
- Network switching applications
- Communications protocol implementation
Consumer Electronics
The cost-effective nature and compact package make it ideal for:
- Set-top boxes
- Digital cameras and imaging systems
- Home theater equipment
- Gaming peripherals
- Embedded controllers
Automotive Systems
The robust design and reliability support automotive applications including:
- Engine control modules
- Infotainment systems
- Advanced driver assistance systems (ADAS)
- Body electronics
- Powertrain control systems
Design Advantages
ASIC Replacement Benefits
The XC2S100E-3TQ144C offers compelling advantages over traditional mask-programmed ASICs:
- Zero NRE Costs: Eliminate expensive mask sets and initial fabrication costs
- Rapid Development: Implement designs in days rather than months
- Risk Mitigation: Test and validate functionality before committing to production
- Field Upgradability: Update designs remotely without hardware changes
- Design Flexibility: Modify functionality even after deployment
Predictable Interconnect
The Spartan-IIE architecture features fast, deterministic routing that ensures successive design iterations maintain timing closure. This predictability accelerates development and reduces time-to-market.
Development Ecosystem
AMD Xilinx provides comprehensive development tools and resources:
- ISE Design Suite: Industry-standard FPGA design software
- IP Cores: Pre-verified intellectual property blocks
- Reference Designs: Application-specific starting points
- Technical Documentation: Extensive datasheets and user guides
- Community Support: Active developer forums and resources
Comparison with Related Devices
XC2S100E Family Variants
| Part Number |
Speed Grade |
Package |
Key Difference |
| XC2S100E-6TQ144C |
-6 (faster) |
144-TQFP |
Higher performance variant |
| XC2S100E-7TQ144C |
-7 (fastest) |
144-TQFP |
Maximum speed option |
| XC2S100E-3TQ144C |
-3 (standard) |
144-TQFP |
Best value/performance ratio |
| XC2S100E-6FT256C |
-6 |
256-FTBGA |
More I/O pins available |
Alternative Package Options
The XC2S100E device is available in multiple package configurations to suit different design requirements:
- PQ208: 208-pin plastic quad flat pack (146 I/O)
- FT256: 256-pin fine-pitch BGA (182 I/O)
- TQ144: 144-pin TQFP (102 I/O) – optimal for compact designs
Product Status and Availability
Important Note: The XC2S100E-3TQ144C is currently classified as an obsolete part by AMD Xilinx and is not recommended for new designs. However, it remains available through authorized distributors and specialty suppliers for legacy system support, replacement, and existing production runs.
Recommended Alternatives
For new designs, consider these modern alternatives:
- Spartan-3E Family: XC3S100E series with enhanced features
- Spartan-6 Family: Next-generation architecture with improved performance
- Spartan-7 Family: Latest low-cost FPGA solution with advanced capabilities
Technical Support and Resources
Documentation
Comprehensive technical resources are available for the XC2S100E-3TQ144C:
- Complete datasheet with electrical specifications
- User guide with application notes
- PCB layout guidelines and footprint files
- Schematic symbols and ECAD models
- Programming and configuration guides
Design Tools Compatibility
The XC2S100E-3TQ144C is supported by:
- Xilinx ISE Design Suite: Full development environment
- Impact Configuration Tool: Device programming utility
- ChipScope Pro: In-system debugging and verification
- Third-Party Tools: Compatible with various simulation and synthesis tools
Quality and Reliability
Manufacturing Standards
The XC2S100E-3TQ144C adheres to stringent quality standards:
- RoHS Compliant: Lead-free manufacturing process
- ISO Certified: Manufactured in ISO-certified facilities
- Extended Temperature Range: Industrial-grade temperature specifications
- Reliability Testing: Comprehensive qualification and testing procedures
Lifecycle Support
While the device is obsolete for new designs, AMD Xilinx and authorized distributors continue to provide:
- Technical support for existing implementations
- Replacement parts for maintenance
- Migration guidance to newer devices
- Design consultation services
Ordering Information
Part Number Breakdown
Understanding the XC2S100E-3TQ144C part number structure:
- XC2S: Spartan-II family identifier
- 100E: Enhanced version with 100K system gates
- -3: Speed grade (industrial)
- TQ144: Package type (144-pin TQFP)
- C: Commercial temperature range
Package Marking
The device is marked with:
- Full part number
- Manufacturing date code
- Country of origin
- Xilinx logo
- Batch tracking information
Frequently Asked Questions
Q: Is the XC2S100E-3TQ144C suitable for new product designs?
A: No, this device is obsolete and not recommended for new designs. AMD Xilinx recommends migrating to Spartan-3E, Spartan-6, or Spartan-7 families for new projects.
Q: What is the difference between -3, -6, and -7 speed grades?
A: Speed grades indicate maximum operating frequency. Grade -7 is fastest (highest performance), grade -6 is mid-range, and grade -3 offers the best balance of performance and cost.
Q: Can I upgrade from XC2S100E to XC3S100E in existing designs?
A: While both devices offer similar gate counts, package pinouts and features differ. Careful evaluation and possible PCB modifications may be required for migration.
Q: What development software supports this FPGA?
A: The XC2S100E-3TQ144C is supported by Xilinx ISE Design Suite (version 14.7 and earlier). The newer Vivado Design Suite does not support this legacy device family.
Q: Where can I purchase XC2S100E-3TQ144C components?
A: The device is available through authorized distributors, electronic component brokers, and specialty suppliers focusing on legacy and obsolete parts inventory.
Conclusion
The XC2S100E-3TQ144C represents a proven FPGA solution from AMD Xilinx’s Spartan-IIE family, offering 100,000 system gates, 357 MHz performance, and 102 I/O pins in a compact 144-pin TQFP package. While obsolete for new designs, it continues to serve critical roles in existing systems across industrial, telecommunications, consumer, and automotive applications.
For engineers maintaining legacy systems or requiring replacement components, the XC2S100E-3TQ144C delivers reliable, cost-effective programmable logic capabilities. New projects should explore modern alternatives in the Spartan-3E, Spartan-6, or Spartan-7 families to leverage the latest FPGA technology advancements.
Whether you’re implementing complex digital logic, developing custom interfaces, or creating sophisticated control systems, understanding the capabilities and limitations of the XC2S100E-3TQ144C helps ensure successful project outcomes and long-term product reliability.
