The XC3S400A-4FG320C is a powerful field-programmable gate array (FPGA) from Xilinx’s renowned Spartan-3A family, designed to deliver exceptional performance for cost-sensitive applications. This versatile programmable logic device combines advanced features with competitive pricing, making it an ideal choice for engineers developing complex digital systems.
Product Specification
The XC3S400A-4FG320C features a robust architecture built on proven FPGA technology. This device contains 400,000 system gates with 8,064 logic cells, providing substantial processing capability for demanding applications. The FPGA includes 36 dedicated multipliers and 360 Kbits of block RAM, enabling efficient implementation of DSP algorithms and data-intensive operations.
Key specifications of the XC3S400A-4FG320C include a -4 speed grade for high-performance applications and comes packaged in a 320-pin Fine-Pitch Ball Grid Array (FBGA) format. The device operates across commercial temperature ranges and supports multiple I/O standards, ensuring compatibility with various system interfaces. With 221 user I/O pins available, the XC3S400A-4FG320C provides excellent connectivity options for complex system integration.
The FPGA supports advanced clocking capabilities with up to four Digital Clock Managers (DCMs), enabling precise clock management and distribution throughout your design. Built-in configuration options include master serial, slave serial, and boundary scan modes, offering flexibility during system development and deployment.
Price
Pricing for the XC3S400A-4FG320C varies based on quantity, supplier, and current market conditions. Contact authorized Xilinx distributors for current pricing and volume discounts. Many suppliers offer competitive rates for both prototype quantities and production volumes, with additional cost savings available for long-term agreements and bulk purchases.
Documents & Media
Comprehensive technical documentation supports the XC3S400A-4FG320C implementation process. Essential resources include the detailed datasheet containing electrical characteristics, timing specifications, and package information. The Spartan-3A FPGA User Guide provides in-depth architectural details and design guidelines.
Additional documentation includes application notes covering specific implementation topics, reference designs demonstrating best practices, and migration guides for upgrading from previous FPGA generations. Design software support includes compatibility with Xilinx ISE Design Suite and Vivado Design Suite, providing complete development environments with synthesis, implementation, and debugging tools.
Technical briefs and white papers explore advanced topics such as power optimization, high-speed design techniques, and system-level integration strategies. Video tutorials and webinar recordings offer visual learning resources for both novice and experienced FPGA developers.
Related Resources
The XC3S400A-4FG320C ecosystem includes numerous complementary products and resources. Development boards featuring this FPGA provide rapid prototyping platforms with essential peripherals and interfaces pre-configured for immediate use. These evaluation platforms accelerate development time and reduce initial investment costs.
Software tools specifically optimized for the XC3S400A-4FG320C include IP cores, reference designs, and pre-verified building blocks for common functions. Third-party design services and consulting support are available for complex projects requiring specialized expertise.
Training resources include online courses, certification programs, and hands-on workshops covering FPGA design fundamentals through advanced implementation techniques. Community forums and technical support channels provide ongoing assistance throughout the development lifecycle.
Compatible accessories include programming cables, debugging probes, and specialized development hardware. Power supply recommendations and thermal management solutions ensure optimal performance in demanding operating environments.
Environmental & Export Classifications
The XC3S400A-4FG320C meets stringent environmental and regulatory standards for global deployment. RoHS compliance ensures lead-free manufacturing processes, supporting environmentally responsible design practices. The device operates reliably across commercial temperature ranges with comprehensive qualification testing.
Export classification information enables proper handling for international shipments and regulatory compliance. Conflict minerals reporting and supply chain transparency documentation support corporate responsibility requirements.
Environmental testing includes temperature cycling, humidity exposure, and mechanical shock validation to ensure reliable operation in diverse conditions. Quality certifications meet automotive, industrial, and commercial application standards.
Long-term availability commitments provide confidence for production planning, with lifecycle support extending well beyond initial product introduction. Obsolescence management programs offer migration paths and continued support for legacy designs incorporating the XC3S400A-4FG320C.
The XC3S400A-4FG320C represents an excellent balance of performance, features, and cost-effectiveness for modern FPGA applications. Its proven architecture, comprehensive support ecosystem, and reliable supply chain make it a preferred choice for engineers developing next-generation digital systems.
