The XC3S400A-4FG320I: Unleashing Powerful Performance and Flexibility

The XC3S400A-4FG320I: A High-Performance FPGA Solution

The XC3S400A-4FG320I is a powerful Field-Programmable Gate Array (FPGA) manufactured by AMD/Xilinx, part of the renowned Spartan®-3A family. This FPGA offers exceptional capabilities and features that make it an ideal choice for a wide range of cost-sensitive, I/O-intensive electronic applications.

Unparalleled Density and Versatility

The Spartan-3A family, including the XC3S400A-4FG320I, boasts impressive densities ranging from 50,000 to 1.4 million system gates. This extensive range of options allows designers to select the perfect FPGA for their specific project requirements, ensuring optimal performance and cost-efficiency.

Advanced Features for Enhanced Performance

The XC3S400A-4FG320I FPGA builds upon the success of the earlier Spartan-3E and Spartan-3 FPGA families, offering a host of new features that improve system performance and reduce the cost of configuration. These enhancements, coupled with the proven 90 nm process technology, deliver more functionality and bandwidth per dollar than ever before, setting a new standard in the programmable logic industry.

Ideal for Cost-Sensitive Applications

Thanks to their exceptionally low cost, Spartan-3A FPGAs, including the XC3S400A-4FG320I, are particularly well-suited for a wide range of consumer electronics applications. These applications include broadband access, home networking, display/projection, and digital television equipment, where cost-effectiveness is a critical factor.

Flexible and Field-Upgradable Design

The XC3S400A-4FG320I FPGA provides a superior alternative to mask-programmed Application-Specific Integrated Circuits (ASICs). By utilizing FPGA technology, designers can avoid the high initial cost, lengthy development cycles, and inherent inflexibility of conventional ASICs, while still benefiting from the ability to perform field design upgrades as needed.

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The XC3S400A-4FG320I is a high-performance, low-cost logic solution from AMD/Xilinx, designed for high-volume, cost-conscious applications. This FPGA device offers a range of advanced features and capabilities that make it an ideal choice for a variety of embedded and industrial applications.

Product Highlights

Dual-range VCCAUX Supply

The XC3S400A-4FG320I features a dual-range VCCAUX supply, which simplifies the design process by allowing for a 3.3V-only power supply. This reduces complexity and lowers the overall system cost.

Power Optimization

The device offers Suspend and Hibernate modes, which help to reduce system power consumption, making it a power-efficient solution for applications with strict energy requirements.

Flexible I/O

The XC3S400A-4FG320I supports a wide range of I/O standards, including LVCMOS, LVTTL, HSTL, and SSTL, with signaling voltages ranging from 3.3V down to 1.2V. This flexibility allows for seamless integration with various system components and interfaces.

High-Speed I/O

With support for up to 640Mb/s data transfer rates per differential I/O and integrated differential termination resistors, the XC3S400A-4FG320I enables high-speed data communication, making it suitable for applications that require fast data processing and transmission.

Abundant Logic Resources

The device offers a high density of logic cells, up to 25,344, along with efficient wide multiplexers, wide logic, and fast look-ahead carry logic. These features provide ample resources for implementing complex digital designs.

Powerful Digital Signal Processing

The XC3S400A-4FG320I is equipped with enhanced 18x18 multipliers, which can be used for advanced digital signal processing tasks, such as filtering, transforms, and other math-intensive applications.

Flexible Memory Architecture

The device features a hierarchical SelectRAM memory architecture, providing up to 576Kbits of fast block RAM with byte write enables, as well as up to 176Kbits of efficient distributed RAM. This flexible memory structure allows for efficient implementation of data storage and processing requirements.

Comprehensive Clock Management

The XC3S400A-4FG320I includes up to eight Digital Clock Managers (DCMs), which enable clock skew elimination, frequency synthesis, multiplication, division, and high-resolution phase shifting. These clock management features ensure robust and reliable timing in the design.

Configuration and Security

The device supports a variety of configuration interfaces, including SPI serial Flash PROM, parallel NOR Flash PROM, and Xilinx Platform Flash. Additionally, it offers a unique Device DNA identifier for design authentication, ensuring the integrity of the implemented system.

Development Support

The XC3S400A-4FG320I is fully compatible with the Xilinx ISE and WebPACK development tools, providing a comprehensive design environment. Additionally, it supports the MicroBlaze and PicoBlaze embedded processors, enabling the creation of complex, customized solutions.

Packaging and Migration

The XC3S400A-4FG320I is available in low-cost QFP and BGA packages, with Pb-free options. The common footprints across the Spartan-3A family allow for easy density migration, simplifying the design process and enabling scalable solutions.

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