The Xilinx Spartan-3A Family: Redefining Cost-Effective Programmable Logic

Unleashing Unparalleled Performance and Value

Xilinx's Spartan-3A FPGA family, exemplified by the XC3S400A-4FT256C model, is a game-changer in the world of field-programmable gate arrays (FPGAs). Designed with exceptional cost-efficiency and versatility in mind, these powerful devices deliver unrivaled performance and functionality, making them the preferred choice for a wide range of high-volume, cost-sensitive, and I/O-intensive electronic applications.

Unmatched Density and Flexibility

The Spartan-3A family offers a comprehensive range of densities, from 50,000 to 1.4 million system gates, catering to diverse project requirements. This extensive selection allows designers to precisely match the FPGA resources to their application needs, optimizing cost and performance.

Cutting-Edge Features for Superior Performance

The Spartan-3A FPGAs, including the XC3S400A-4FT256C model, are part of the Extended Spartan-3A family, which incorporates the non-volatile Spartan-3AN and the higher-density Spartan-3A DSP variants. These advanced devices boast a wealth of features that elevate system performance and reduce configuration costs, setting a new benchmark in the programmable logic industry.

Unlocking New Possibilities in Consumer Electronics

With their exceptional affordability, the Spartan-3A FPGAs are ideally suited for a diverse array of consumer electronics applications, such as broadband access, home networking, display/projection, and digital television equipment. These cost-effective solutions offer a superior alternative to traditional application-specific integrated circuits (ASICs), providing the flexibility of field-programmable logic without the high initial costs and lengthy development cycles associated with ASICs.

The Xilinx Advantage: Proven Performance and Reliability

The Spartan-3A family, including the XC3S400A-4FT256C model, builds upon the success of the earlier Spartan-3E and Spartan-3 FPGA families. Leveraging Xilinx's proven 90nm process technology, these devices deliver unparalleled functionality and bandwidth per dollar, setting a new standard in the programmable logic industry.

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The XC3S400A-4FT256C from AMD/Xilinx is a highly capable and cost-effective logic solution designed for high-volume, cost-conscious applications. Offering a wealth of advanced features, this FPGA delivers exceptional performance and versatility to meet the demands of modern electronic systems.

Key Features

Dual-Range VCCAUX Supply: The XC3S400A-4FT256C simplifies 3.3V-only designs by providing a dual-range VCCAUX supply, ensuring seamless integration and compatibility.

Power Management: With Suspend and Hibernate modes, the FPGA can significantly reduce system power consumption, making it an ideal choice for energy-conscious applications.

Flexible I/O: Boasting up to 502 I/O pins or 227 differential signal pairs, the XC3S400A-4FT256C supports a wide range of single-ended and differential I/O standards, including LVCMOS, LVTTL, HSTL, and SSTL, with signaling voltages ranging from 3.3V to 1.2V.

High-Speed I/O: The FPGA enables lightning-fast data transfer rates of up to 640Mb/s per differential I/O, catering to the needs of high-bandwidth applications.

Advanced Memory Resources: With up to 576Kbits of fast block RAM and 176Kbits of efficient distributed RAM, the XC3S400A-4FT256C provides ample on-chip memory for a variety of processor-based and data-intensive applications.

Powerful Clock Management: The FPGA features up to eight Digital Clock Managers (DCMs) that offer precise clock skew elimination, frequency synthesis, and high-resolution phase shifting, ensuring robust and reliable system timing.

Comprehensive Development Support: The XC3S400A-4FT256C is fully compatible with Xilinx's ISE and WebPACK development tools, providing a complete design environment for seamless implementation and integration.

Flexible Packaging Options: Available in low-cost QFP and BGA packages, the XC3S400A-4FT256C offers a range of options to suit diverse design requirements, including Pb-free alternatives.

Density Migration: The FPGA shares a common footprint with select Spartan-3AN nonvolatile FPGAs and higher-density Spartan-3A DSP FPGAs, enabling easy density migration and scalability across projects.

Whether you're developing high-volume, cost-sensitive applications or seeking a versatile logic solution, the XC3S400A-4FT256C from AMD/Xilinx delivers an unbeatable combination of performance, features, and value.

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