The XC3S400A-4FG400I FPGA, manufactured by AMD/Xilinx, is part of the Spartan®-3A family of Field-Programmable Gate Arrays (FPGAs). This versatile FPGA provides a powerful and cost-effective solution for a wide range of high-volume, I/O-intensive electronic applications.

Key Features of the XC3S400A-4FG400I FPGA

Density and Performance

- The Spartan-3A family offers densities ranging from 50,000 to 1.4 million system gates, with the XC3S400A-4FG400I model providing a density of 400,000 system gates.

- Powered by proven 90 nm process technology, the XC3S400A-4FG400I delivers high performance and efficiency, setting a new standard in the programmable logic industry.

Configuration and Flexibility

- The Spartan-3A family, including the XC3S400A-4FG400I, features new configuration enhancements that improve system performance and reduce the cost of configuration.

- The field-programmable nature of the XC3S400A-4FG400I allows for design upgrades and modifications, providing unparalleled flexibility compared to traditional mask-programmed ASICs.

Application Versatility

- With their exceptionally low cost, the Spartan-3A FPGAs, such as the XC3S400A-4FG400I, are ideally suited for a wide range of consumer electronics applications, including broadband access, home networking, display/projection, and digital television equipment.

- The XC3S400A-4FG400I serves as a superior alternative to mask-programmed ASICs, offering significant advantages in terms of initial cost, development cycle, and design flexibility.

By leveraging the advanced features and capabilities of the XC3S400A-4FG400I FPGA, manufacturers and designers can unlock new levels of performance, efficiency, and cost-effectiveness for their high-volume, I/O-intensive electronic products.

key_features

The XC3S400A-4FG400I is a high-performance, low-cost logic solution from AMD/Xilinx, designed for cost-conscious, high-volume applications. This FPGA offers a range of advanced features and capabilities that make it a versatile and efficient choice for a variety of digital processing tasks.

Product Features and Benefits

Dual-Range VCCAUX Supply: The XC3S400A-4FG400I simplifies 3.3V-only design by providing a dual-range VCCAUX supply, which allows for seamless integration with a wide range of system voltages.

Power-Saving Modes: The FPGA's Suspend and Hibernate modes help reduce system power consumption, making it an energy-efficient solution for applications that require low power draw.

Versatile I/O: The XC3S400A-4FG400I supports a wide range of I/O standards, including LVCMOS, LVTTL, HSTL, and SSTL, with signaling voltages from 3.3V down to 1.2V. It also offers up to 502 I/O pins or 227 differential signal pairs, providing ample connectivity options.

High-Speed I/O: The FPGA's I/O capabilities enable data transfer rates of up to 640 Mb/s per differential I/O, supporting high-speed interfaces such as LVDS, RSDS, mini-LVDS, HSTL, and SSTL. It also includes Enhanced Double Data Rate (DDR) support for DDR/DDR2 SDRAM up to 400 Mb/s.

Abundant Logic Resources: The XC3S400A-4FG400I offers a generous pool of logic resources, including up to 25,344 logic cells, 18x18 multipliers, and a hierarchical SelectRAM memory architecture with up to 576 Kbits of fast block RAM and 176 Kbits of distributed RAM.

Flexible Clocking: The FPGA features eight Digital Clock Managers (DCMs) that provide clock skew elimination, frequency synthesis, multiplication, division, and high-resolution phase shifting, allowing for precise control of the system's timing.

Robust Configuration and Security: The XC3S400A-4FG400I supports a variety of configuration interfaces, including low-cost SPI serial Flash PROM, x8 or x8/x16 BPI parallel NOR Flash PROM, and Xilinx Platform Flash. It also includes a unique Device DNA identifier for design authentication and post-configuration CRC checking for enhanced security.

Comprehensive Development Support: The XC3S400A-4FG400I is fully compatible with the Xilinx ISE and WebPACK development tools, providing a complete design environment for seamless integration and rapid prototyping. It also supports the MicroBlaze and PicoBlaze embedded processors for advanced application development.

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