The AMD XC2S50-5TQ144I is a high-performance Field Programmable Gate Array (FPGA) from the renowned Spartan-II family. This industrial-grade programmable logic device delivers exceptional flexibility and reliability for embedded system designers, engineers, and electronics manufacturers seeking cost-effective digital logic solutions.
XC2S50-5TQ144I Overview and Key Features
The XC2S50-5TQ144I belongs to the Spartan-II FPGA family, originally developed by Xilinx (now AMD). This device combines robust performance with energy efficiency, making it an ideal choice for telecommunications, automotive, industrial control, and consumer electronics applications.
Primary Specifications at a Glance
| Parameter |
Specification |
| Manufacturer |
AMD (formerly Xilinx) |
| Family |
Spartan-II |
| System Gates |
50,000 |
| Logic Cells |
1,728 |
| CLBs (Configurable Logic Blocks) |
384 |
| Maximum Clock Frequency |
263 MHz |
| Total RAM Bits |
32,768 |
| User I/O Pins |
92 |
| Supply Voltage |
2.375V – 2.625V (2.5V nominal) |
| Package Type |
144-Pin TQFP (20×20mm) |
| Operating Temperature |
-40°C to +100°C (TJ) |
| Process Technology |
0.18μm |
| Temperature Grade |
Industrial (I) |
Detailed Technical Specifications of the XC2S50-5TQ144I
Logic Resources and Architecture
The XC2S50-5TQ144I features a sophisticated architecture built around Configurable Logic Blocks (CLBs). Each CLB contains four logic cells organized into two slices, with each slice incorporating two 4-input Look-Up Tables (LUTs) and two flip-flops. This architecture provides:
- 384 CLBs arranged in a flexible array structure
- 1,728 logic cells for implementing complex digital functions
- 50,000 system gates equivalent capacity
- Four Delay-Locked Loops (DLLs) for precise clock management
Memory Configuration Options
The device offers versatile memory capabilities through both block RAM and distributed RAM:
- 32,768 total RAM bits available
- Block RAM organized in dedicated memory blocks
- Distributed RAM utilizing LUT-based storage
- Flexible memory configurations for various application requirements
Clock Management and Timing
The XC2S50-5TQ144I provides advanced clocking features essential for high-speed digital designs:
- Maximum operating frequency of 263 MHz
- Four dedicated DLLs positioned at device corners
- Multiple global clock networks
- Low-skew clock distribution architecture
- Programmable clock multiplication and division
Input/Output Capabilities
The 144-pin TQFP package delivers comprehensive I/O flexibility:
- 92 user-programmable I/O pins
- Multi-voltage I/O compatibility (1.8V, 2.5V, 3.3V)
- Support for various I/O standards including LVTTL, LVCMOS, and PCI
- Hot-swap compatible I/O design
- Programmable drive strength and slew rate control
XC2S50-5TQ144I Part Number Breakdown
Understanding the part number helps identify exact device specifications:
| Code |
Meaning |
| XC2S |
Xilinx Spartan-II Family |
| 50 |
50K System Gates |
| -5 |
Speed Grade (-5 is standard) |
| TQ |
TQFP Package Type |
| 144 |
144-Pin Count |
| I |
Industrial Temperature Range (-40°C to +100°C) |
Configuration and Programming Options
The XC2S50-5TQ144I supports multiple configuration modes for maximum design flexibility:
Supported Configuration Methods
- Master Serial Mode: Configuration data read from external serial PROM
- Slave Serial Mode: External controller writes configuration data
- Slave Parallel Mode: 8-bit parallel configuration interface
- Boundary Scan (JTAG): IEEE 1149.1 compliant programming and testing
Configuration Characteristics
- Unlimited reprogramming cycles with SRAM-based configuration
- Non-volatile storage requires external configuration memory
- Fast configuration times for rapid system startup
- In-system reconfigurability for field updates
Applications for the AMD XC2S50-5TQ144I FPGA
This versatile FPGA suits numerous industry applications:
Telecommunications and Networking
Deploy the XC2S50-5TQ144I in base stations, network switches, protocol converters, and signal processing equipment. The DLLs and extensive I/O support enable quick adaptation to evolving interface requirements.
Automotive Electronics
Ideal for in-vehicle infotainment systems, advanced driver assistance systems (ADAS), and sensor fusion applications. The industrial temperature rating ensures reliable operation in demanding automotive environments.
Industrial Control Systems
Factory automation, motion control, programmable logic controllers, and smart sensor applications benefit from the device’s dependable timing characteristics and generous on-chip memory.
Consumer Electronics
Smart TVs, gaming peripherals, home automation hubs, and multimedia processors utilize this FPGA for cost-effective video, audio, and control processing on a single chip.
Design Tools and Software Support
AMD provides comprehensive development resources for the XC2S50-5TQ144I:
- ISE Design Suite: Complete FPGA development environment
- Synthesis and Implementation Tools: Efficient design compilation
- Simulation Support: Behavioral and timing verification
- JTAG Programming: Standard boundary scan interface
Package Information and Mounting
144-TQFP Package Details
| Specification |
Value |
| Package Dimensions |
20mm × 20mm |
| Pin Pitch |
0.5mm |
| Mounting Type |
Surface Mount (SMD) |
| Lead-Free Options |
Available (TQG144 variant) |
PCB Design Considerations
- Standard surface mount assembly compatible
- 0.5mm pitch requires appropriate soldering techniques
- Thermal pad recommendations for optimal heat dissipation
- ESD handling precautions required
Ordering Information and Variants
The XC2S50 series includes multiple package and temperature options:
| Part Number |
Package |
Temperature |
I/O Count |
| XC2S50-5TQ144I |
144-TQFP |
Industrial |
92 |
| XC2S50-5TQ144C |
144-TQFP |
Commercial |
92 |
| XC2S50-5PQ208I |
208-PQFP |
Industrial |
140 |
| XC2S50-5FG256I |
256-FBGA |
Industrial |
176 |
Why Choose the XC2S50-5TQ144I for Your Design
Advantages
- Cost-Effective Performance: Excellent price-to-performance ratio for volume production
- Industrial Temperature Range: Reliable operation from -40°C to +100°C
- Flexible I/O Standards: Multi-voltage compatibility simplifies system integration
- Proven Architecture: Mature, well-documented Spartan-II platform
- Unlimited Reprogramming: SRAM-based configuration supports design iterations
Considerations
- Legacy device status may affect long-term availability
- Newer FPGA families offer higher density options
- External configuration storage required
Related Products and Alternatives
For projects requiring different specifications, consider these Xilinx FPGA alternatives from the Spartan-II family:
- XC2S100: 100K gates for larger designs
- XC2S150: 150K gates with additional I/O
- XC2S200: 200K gates for complex applications
- XC2S30: 30K gates for simpler implementations
Technical Documentation and Resources
Access comprehensive design resources including:
- Spartan-II Family Data Sheet (DS001)
- Configuration and Readback Application Notes
- Package drawings and mechanical specifications
- Reference designs and application examples
- Errata documentation
Conclusion
The AMD XC2S50-5TQ144I Spartan-II FPGA delivers a balanced combination of logic capacity, I/O flexibility, and industrial-grade reliability. With 50,000 system gates, 1,728 logic cells, and robust 263 MHz performance in a compact 144-pin TQFP package, this device remains a dependable choice for embedded digital design applications across telecommunications, automotive, industrial, and consumer electronics sectors.
