The AMD Xilinx XC2S50-5PQ208C is a high-performance Field Programmable Gate Array (FPGA) from the renowned Spartan-II family. This versatile programmable logic device delivers exceptional value for embedded systems, digital signal processing, and ASIC replacement applications. Engineers worldwide trust this component for its reliability, flexibility, and cost-effectiveness.
XC2S50-5PQ208C Key Features and Benefits
The XC2S50-5PQ208C stands out as a second-generation ASIC replacement technology. This FPGA offers unlimited reprogrammability, allowing designers to modify their designs without hardware changes. The device utilizes a cost-effective 0.18-micron manufacturing process, ensuring optimal performance-to-cost ratio for volume production.
Core Technical Specifications
| Parameter |
Value |
| Manufacturer |
AMD (formerly Xilinx) |
| Part Number |
XC2S50-5PQ208C |
| Family |
Spartan-II |
| System Gates |
50,000 |
| Logic Cells |
1,728 |
| CLBs (Configurable Logic Blocks) |
384 |
| Total RAM Bits |
32,768 |
| User I/O Pins |
140 |
| Maximum Frequency |
263 MHz |
| Supply Voltage |
2.375V to 2.625V |
| Package Type |
208-BFQFP (28x28mm) |
| Mounting |
Surface Mount |
| Operating Temperature |
0°C to 85°C (TJ) |
| Speed Grade |
-5 (Commercial) |
XC2S50-5PQ208C Architecture Overview
The Spartan-II architecture in the XC2S50-5PQ208C builds upon the proven Virtex FPGA framework. This foundation provides designers with a streamlined feature set optimized for cost-sensitive applications without sacrificing essential functionality.
SelectRAM Hierarchical Memory System
The XC2S50-5PQ208C incorporates a sophisticated memory architecture. The device provides 16 bits per Look-Up Table (LUT) for distributed RAM implementation. Additionally, configurable 4K-bit block RAM modules enable efficient data storage. Fast interfaces to external RAM expand memory capabilities for demanding applications.
Advanced Clock Management
Four dedicated Delay-Locked Loops (DLLs) provide advanced clock control capabilities. These DLLs enable clock multiplication, division, and phase shifting. The four primary low-skew global clock distribution networks ensure precise timing across the entire device.
I/O Capabilities and Flexibility
The XC2S50-5PQ208C delivers 140 user-programmable I/O pins. The device achieves full PCI compliance for standard bus interfacing. A low-power segmented routing architecture minimizes power consumption while maintaining signal integrity.
XC2S50-5PQ208C Application Areas
This Xilinx FPGA excels across numerous application domains. Engineers select this device for telecommunications equipment, industrial control systems, and consumer electronics. The component also serves automotive applications, medical devices, and aerospace systems effectively.
Typical Use Cases
The XC2S50-5PQ208C performs exceptionally in protocol bridging and interface conversion applications. Digital signal processing implementations benefit from the dedicated carry logic for high-speed arithmetic operations. The efficient multiplier support enables complex mathematical computations without external components.
XC2S50-5PQ208C vs Alternative FPGA Solutions
When comparing FPGA options, the XC2S50-5PQ208C offers distinct advantages. The 50,000 system gates provide sufficient resources for mid-complexity designs. The 208-pin QFP package simplifies PCB layout compared to BGA alternatives. Cost-effective pricing makes this device attractive for volume manufacturing scenarios.
Speed Grade Considerations
The “-5” speed grade designation indicates commercial-grade timing performance. This speed grade balances performance requirements with cost considerations. For applications demanding faster operation, the -6 speed grade variant provides enhanced timing specifications.
XC2S50-5PQ208C Design Support and Resources
Comprehensive design tools support XC2S50-5PQ208C development. The Xilinx ISE Design Suite provides synthesis, implementation, and programming capabilities. Extensive documentation, reference designs, and application notes accelerate project completion.
IEEE 1149.1 Boundary Scan Support
The XC2S50-5PQ208C includes IEEE 1149.1 compatible boundary scan logic. This feature enables efficient board-level testing and debugging. Full readback capability provides design verification and observability during development.
XC2S50-5PQ208C Package Information
The 208-BFQFP package measures 28mm x 28mm with 0.5mm pin pitch. This surface-mount package type facilitates automated assembly processes. Lead-free (Pb-free) packaging options support environmental compliance requirements.
Pin Configuration Details
The 208-pin configuration distributes power, ground, and user I/O efficiently. Dedicated configuration pins enable various programming modes. Multiple power supply pins ensure stable operation under varying load conditions.
XC2S50-5PQ208C Ordering Information
The standard part number XC2S50-5PQ208C designates the commercial temperature grade device. The Pb-free variant uses the XC2S50-5PQG208C designation with the additional “G” character indicating RoHS compliance.
Part Number Breakdown
- XC2S50: Spartan-II 50K gate device
- -5: Commercial speed grade
- PQ: Plastic Quad Flat Package
- 208: Pin count
- C: Commercial temperature range (0°C to 85°C)
Why Choose the XC2S50-5PQ208C for Your Design
The XC2S50-5PQ208C represents an excellent choice for cost-conscious FPGA implementations. The proven Spartan-II architecture ensures design reliability. Extensive ecosystem support reduces development time and risk. This device continues serving applications where newer devices would prove unnecessary or cost-prohibitive.
XC2S50-5PQ208C Summary
The AMD Xilinx XC2S50-5PQ208C FPGA delivers reliable programmable logic performance for diverse applications. With 50,000 system gates, 1,728 logic cells, and 140 I/O pins, this Spartan-II device addresses mid-range complexity requirements effectively. The 208-BFQFP package and commercial temperature support make it suitable for industrial and consumer applications requiring proven, cost-effective programmable logic solutions.
