Overview of the XC2S150E-6PQG208I FPGA
The XC2S150E-6PQG208I is a cutting-edge Field-Programmable Gate Array (FPGA) from AMD Xilinx’s renowned Spartan-IIE family, designed to deliver exceptional performance and flexibility for embedded systems and industrial applications. This industrial-grade FPGA combines advanced 0.15-micron CMOS technology with 1.8V low-power operation, making it an ideal choice for telecommunications, industrial automation, and data acquisition systems.
As part of the next-generation Spartan-IIE series, this programmable logic device offers designers the perfect balance between cost-effectiveness and high performance, featuring 150,000 system gates and 3,888 configurable logic cells in a compact 208-pin PQFP package.
Key Technical Specifications
Core Features and Performance
| Specification |
Value |
| Device Family |
Spartan-IIE |
| System Gates |
150,000 gates |
| Logic Cells |
3,888 cells |
| Maximum Frequency |
357 MHz |
| Process Technology |
0.15 μm CMOS |
| Supply Voltage |
1.8V (Core) |
| Operating Temperature |
-40°C to +100°C (Industrial) |
| Package Type |
PQFP (Plastic Quad Flat Pack) |
| Pin Count |
208 pins |
| I/O Standards Supported |
19 selectable standards |
Memory Architecture
| Memory Type |
Capacity |
| Block RAM |
Up to 288 Kbits |
| Distributed RAM |
Up to 221,184 bits |
| RAM Configuration |
16 bits/LUT distributed RAM |
| Block RAM Type |
True dual-port 4K-bit configurable blocks |
Package and Physical Characteristics
| Parameter |
Specification |
| Package Dimensions |
28mm × 28mm |
| Mounting Type |
Surface Mount |
| Lead Pitch |
0.5mm |
| Total I/O Pins |
Up to 265 user I/Os |
| RoHS Compliance |
Lead-free / RoHS Compliant |
| Moisture Sensitivity |
MSL 3 (Moisture Sensitivity Level 3) |
Advanced Features and Capabilities
Programmable Logic Architecture
The XC2S150E-6PQG208I leverages second-generation ASIC replacement technology, providing designers with unprecedented flexibility and performance. Built on the proven Virtex-E FPGA architecture, this device offers streamlined features optimized for cost-sensitive applications without compromising functionality.
Key architectural advantages include:
- Configurable Logic Blocks (CLBs): 96 CLBs providing flexible logic implementation
- Look-Up Tables (LUTs): Four-input LUTs for efficient logic synthesis
- Delay-Locked Loops (DLLs): Four integrated DLLs for precise clock management and signal timing
- SelectRAM Memory Hierarchy: Flexible memory architecture combining distributed and block RAM
- Fast Interconnect: Predictable routing ensures consistent timing across design iterations
Clock Management and Timing
The integrated Digital Delay-Locked Loop (DLL) technology provides advanced clock management capabilities essential for high-speed digital designs. The four DLLs enable precise clock de-skew, frequency synthesis, and phase shifting, ensuring reliable operation at maximum frequencies up to 357 MHz.
I/O Capabilities
Supporting 19 industry-standard I/O interfaces, the XC2S150E-6PQG208I offers unparalleled connectivity options for diverse system requirements. Compatible standards include:
- LVTTL, LVCMOS (3.3V, 2.5V, 1.8V, 1.5V)
- SSTL-2, SSTL-3
- HSTL I and II
- GTL, GTL+
- AGP-2X
- PCI 33/66 MHz
This extensive I/O support makes the device compatible with virtually any digital interface standard used in modern embedded systems.
Application Areas and Use Cases
Industrial Automation and Control
The XC2S150E-6PQG208I excels in industrial control systems, programmable logic controllers (PLCs), and factory automation equipment. Its industrial temperature range (-40°C to +100°C) ensures reliable operation in harsh manufacturing environments.
Communications Infrastructure
Ideal for telecommunications equipment, this Xilinx FPGA supports broadband access systems, network switching equipment, and data transmission protocols. The high-speed I/O capabilities and flexible logic resources enable implementation of complex communication protocols.
Embedded Systems and IoT
Perfect for embedded computing applications, including:
- Advanced driver assistance systems (ADAS)
- Enterprise networking equipment
- Data acquisition systems
- Digital signal processing (DSP) applications
- Motor control and power management
Consumer Electronics
The low-power 1.8V operation makes this FPGA suitable for battery-powered devices, home entertainment systems, and portable instrumentation.
Design and Development Resources
Development Tools Compatibility
The XC2S150E-6PQG208I is fully supported by AMD Xilinx’s comprehensive development toolchain:
- Vivado Design Suite: Modern, integrated design environment with advanced synthesis and implementation
- ISE Design Tools: Legacy support for established design flows
- Programming Tools: Compatible with JTAG programming interfaces
- Simulation: Supports industry-standard simulation tools including ModelSim and QuestaSim
In-System Programmability
One of the standout features of this FPGA is unlimited in-system reprogrammability. Unlike traditional ASICs that require costly mask changes and fabrication cycles, the XC2S150E-6PQG208I can be reconfigured in the field, enabling:
- Rapid prototyping and design iteration
- Field upgrades without hardware replacement
- Bug fixes and feature enhancements post-deployment
- Reduced time-to-market for new products
Advantages Over Traditional ASICs
Cost-Effectiveness
The XC2S150E-6PQG208I eliminates the significant upfront costs associated with ASIC development:
- No non-recurring engineering (NRE) charges
- No mask set costs
- No minimum order quantities
- Lower inventory risk due to programmability
Development Speed
FPGA-based designs dramatically reduce development time:
- Immediate hardware implementation
- Real-time design verification
- Iterative design refinement without fabrication delays
- Parallel hardware/software development
Design Flexibility
Post-deployment programmability provides unprecedented design flexibility:
- Feature updates without hardware changes
- Protocol adaptation to evolving standards
- Bug fixes in production systems
- Product differentiation through software
Quality and Reliability
Manufacturing Standards
Manufactured to the highest quality standards, the XC2S150E-6PQG208I undergoes rigorous testing to ensure reliable operation:
- 100% electrical testing
- ESD protection on all I/O pins
- Burn-in testing available for critical applications
- Full military temperature range options available
Environmental Compliance
- RoHS Compliant: Lead-free construction meeting environmental regulations
- REACH Compliant: Complies with European chemical substance regulations
- Conflict Minerals: Sourced from conflict-free suppliers
Packaging and Handling
Anti-Static Protection
All XC2S150E-6PQG208I devices are shipped in anti-static packaging with proper ESD protection:
- Moisture-barrier bags with desiccant
- Conductive trays for bulk quantities
- MSL 3 baking requirements clearly labeled
- Full traceability through batch coding
Storage Requirements
For optimal reliability, observe proper storage conditions:
- Store in moisture-barrier bag until ready for use
- Maximum floor life: 168 hours after bag opening at ≤30°C/60% RH
- Baking required if exceeded: 24 hours at 125°C
Technical Support and Resources
Documentation
Comprehensive technical documentation is available for the XC2S150E-6PQG208I:
- Complete datasheet with electrical specifications
- User guide covering architecture and features
- Application notes for common design scenarios
- PCB layout guidelines and footprint recommendations
- Programming and configuration guides
Design Examples and Reference Designs
Access to proven reference designs accelerates development:
- Communication protocol implementations
- DSP algorithm examples
- Memory controller designs
- Interface bridge circuits
Comparison with Similar Products
Within the Spartan-IIE Family
| Model |
System Gates |
Logic Cells |
Block RAM |
Package Options |
| XC2S50E |
50,000 |
1,728 |
96 Kbits |
TQ144, PQ208 |
| XC2S100E |
100,000 |
2,700 |
120 Kbits |
TQ144, PQ208, FG256 |
| XC2S150E |
150,000 |
3,888 |
288 Kbits |
PQ208, FT256, FG456 |
| XC2S200E |
200,000 |
5,292 |
336 Kbits |
PQ208, FT256, FG456 |
| XC2S300E |
300,000 |
6,912 |
288 Kbits |
FT256, FG456 |
Spartan-IIE vs. Spartan-II
The Spartan-IIE family offers significant improvements over the original Spartan-II:
- Lower Power: 1.8V core voltage vs. 2.5V (30% power reduction)
- Smaller Die Size: 0.15μm vs. 0.18μm process technology
- More RAM: Increased block RAM capacity
- Better Performance: Higher maximum operating frequencies
- Enhanced I/O: Additional I/O standard support
Purchasing and Availability
Ordering Information
Full Part Number: XC2S150E-6PQG208I
Part Number Breakdown:
- XC2S150E: Device family and gate count
- -6: Speed grade (higher numbers = slower, lower cost)
- PQG208: Package type and pin count
- I: Industrial temperature range (-40°C to +100°C)
Alternative Temperature Grades
- XC2S150E-6PQG208C: Commercial grade (0°C to +85°C)
Lead Times and Stock Availability
Due to the obsolescence status of the Spartan-IIE family, availability may vary. Contact authorized distributors for current stock levels and lead times. Consider newer Spartan families (Spartan-6, Spartan-7) for new designs requiring long-term availability.
Migration Path and Product Longevity
Obsolescence Considerations
While the XC2S150E has been marked as obsolete for new designs, existing designs can continue using available stock. For new projects, consider these modern alternatives:
- Spartan-6 Family: Direct architectural successor with improved performance
- Spartan-7 Family: Latest generation with advanced features
- Artix-7 Family: Higher performance option with lower power consumption
Design Migration Support
AMD Xilinx provides comprehensive migration tools and documentation to ease transition to newer device families while preserving design investment.
Frequently Asked Questions
What is the difference between XC2S150E and XC2S150?
The XC2S150E belongs to the Spartan-IIE family with 1.8V core voltage and enhanced features, while the XC2S150 is the original Spartan-II device with 2.5V operation. The “E” version offers lower power consumption and improved performance.
Can I use this FPGA for automotive applications?
Yes, the industrial temperature range (-40°C to +100°C) makes the XC2S150E-6PQG208I suitable for many automotive applications. However, automotive-grade versions with AEC-Q100 qualification are recommended for safety-critical automotive systems.
What configuration methods are supported?
The XC2S150E supports multiple configuration modes including Master Serial, Slave Serial, Master SelectMAP, Slave SelectMAP, Boundary Scan (JTAG), and Slave Parallel modes.
How much current does the device consume?
Current consumption varies based on design utilization and switching activity. Typical static current is approximately 50-100mA at 1.8V core voltage. Dynamic current depends heavily on design specifics and clock frequencies.
Is this FPGA pin-compatible with other Spartan devices?
Pin compatibility exists within the same package type across some Spartan-IIE family members, but always verify pinouts when considering device substitution.
Conclusion
The XC2S150E-6PQG208I represents a proven, reliable FPGA solution for industrial and embedded applications requiring moderate logic capacity with excellent I/O flexibility. Its combination of 150,000 system gates, comprehensive memory resources, and industrial temperature operation makes it an excellent choice for control systems, communications equipment, and embedded computing platforms.
While newer FPGA families offer enhanced features and performance, the XC2S150E continues to serve existing designs effectively, backed by mature development tools and extensive application knowledge. For legacy system maintenance or designs where proven reliability is paramount, this Spartan-IIE device remains a solid choice.
Contact authorized distributors for current pricing, availability, and technical support to integrate this versatile FPGA into your next design project.
