The XC3S50A-5FT256C is a versatile and cost-effective FPGA (Field-Programmable Gate Array) from Xilinx’s renowned Spartan-3A series. This advanced programmable logic device delivers exceptional performance for a wide range of digital design applications, making it an ideal choice for engineers developing embedded systems, digital signal processing solutions, and custom logic implementations.
Product Specifications
Core Architecture
The XC3S50A-5FT256C features a robust architecture built on proven FPGA technology. This device incorporates 50,000 system gates with 1,408 logic cells, providing substantial processing capability for complex digital designs. The integrated memory includes 12 dedicated 18Kb block RAMs, offering a total of 216Kb of embedded memory for data storage and buffering applications.
Package and Pin Configuration
This XC3S50A-5FT256C model comes in a compact FT256 fine-pitch BGA (Ball Grid Array) package measuring 17mm x 17mm. The 256-pin configuration provides extensive I/O capabilities with up to 172 user I/O pins available for interfacing with external components and systems. The small form factor makes it suitable for space-constrained applications while maintaining excellent thermal characteristics.
Performance Specifications
The XC3S50A-5FT256C operates at a maximum frequency of 200 MHz for internal logic operations. The device supports various I/O standards including LVTTL, LVCMOS, SSTL, and HSTL, ensuring compatibility with diverse system requirements. Power consumption is optimized for battery-powered and portable applications, with static power consumption as low as 5mW in standby mode.
Memory and DSP Resources
Beyond the block RAM, the XC3S50A-5FT256C includes distributed RAM capabilities totaling 25Kb. The device incorporates 4 dedicated 18×18 multipliers, enabling efficient digital signal processing operations. These hardware multipliers significantly accelerate mathematical computations commonly found in filtering, communications, and control applications.
Price Information
The XC3S50A-5FT256C is competitively priced to meet various budget requirements across different market segments. Pricing varies based on order quantity, with significant volume discounts available for production quantities. Contact authorized Xilinx distributors for current pricing information, as costs may fluctuate based on market conditions and availability.
Educational institutions and qualifying research organizations may be eligible for special academic pricing programs. OEM customers planning high-volume deployments can access tiered pricing structures that provide cost advantages for large-scale implementations.
Documents & Media
Official Documentation
Comprehensive technical documentation is available for the XC3S50A-5FT256C, including the complete datasheet with electrical characteristics, timing specifications, and package information. The Spartan-3A FPGA Family Complete Data Sheet provides detailed information about all family members, including the XC3S50A-5FT256C.
Design Tools and Software
The XC3S50A-5FT256C is fully supported by Xilinx ISE Design Suite, which includes synthesis, implementation, and simulation tools. WebPACK edition provides free access to essential development tools for the XC3S50A-5FT256C, making it accessible for educational and low-cost development projects.
Application Notes and Reference Designs
Xilinx provides numerous application notes specifically covering Spartan-3A implementation techniques. These documents include power optimization strategies, clock management guidelines, and I/O planning recommendations that apply directly to XC3S50A-5FT256C designs.
Related Resources
Development Boards and Evaluation Kits
Several development platforms feature the XC3S50A-5FT256C, providing ready-to-use hardware for prototyping and evaluation. These boards typically include essential peripherals such as switches, LEDs, displays, and communication interfaces to accelerate development cycles.
IP Cores and Reference Designs
The XC3S50A-5FT256C benefits from Xilinx’s extensive IP core library, including processors, communication protocols, and digital signal processing functions. These pre-verified IP blocks significantly reduce development time and improve design reliability.
Design Services and Support
Professional design services are available from Xilinx partners for customers requiring assistance with XC3S50A-5FT256C implementation. These services range from initial concept development to complete turnkey solutions, ensuring successful project completion regardless of internal engineering resources.
Training and Education
Comprehensive training programs cover FPGA design methodologies specific to the Spartan-3A family, including the XC3S50A-5FT256C. Online courses, workshops, and certification programs help engineers maximize their productivity with this versatile FPGA platform.
Environmental & Export Classifications
Operating Conditions
The XC3S50A-5FT256C operates reliably across a commercial temperature range of 0ยฐC to +85ยฐC, making it suitable for most industrial and commercial applications. The device maintains stable operation across supply voltages from 1.14V to 1.26V for the core supply and 2.375V to 3.465V for I/O supplies.
Environmental Compliance
This XC3S50A-5FT256C complies with RoHS (Restriction of Hazardous Substances) directives, ensuring environmentally responsible manufacturing. The device meets WEEE (Waste Electrical and Electronic Equipment) requirements for proper end-of-life disposal and recycling.
Export Classification
The XC3S50A-5FT256C carries Export Control Classification Number (ECCN) 3A991.a.2 under U.S. Export Administration Regulations. This classification allows for broad international distribution while maintaining appropriate technology transfer controls. Customers should verify current export regulations for their specific geographic regions and applications.
Quality and Reliability Standards
Manufacturing of the XC3S50A-5FT256C follows ISO 9001 quality management standards, ensuring consistent product quality and reliability. The device undergoes comprehensive testing including temperature cycling, thermal shock, and accelerated aging to guarantee long-term reliability in demanding applications.
The XC3S50A-5FT256C represents an excellent balance of performance, features, and cost-effectiveness for FPGA applications requiring moderate logic density and proven reliability. Its comprehensive support ecosystem and extensive documentation make it an ideal choice for both experienced FPGA designers and those new to programmable logic implementation.
