XC3S400A-4FTG256I

Field Programmable Gate Array Overview

The XC3S400A-4FTG256I is a Field Programmable Gate Array (FPGA) belonging to the Xilinx Spartan-3A family. It features 896 Configurable Logic Blocks (CLBs) and approximately 400,000 equivalent gates. The device supports a maximum clock frequency of 630 MHz with a CLB-maximum combinational delay of 0.61 ns. It utilizes a PBGA256 package containing 256 pins, with physical dimensions of 17 mm in length. The component includes 173 inputs and 8064 logic units.

Field Programmable Gate Array Feature Summary

• Supports high-speed digital logic design with up to 630 MHz operation
• Provides flexible programmability through 896 configurable logic blocks
• Utilizes a compact 256-pin BGA package for space-constrained applications

Field Programmable Gate Array Applications

• Industrial control systems requiring real-time processing
• Communication infrastructure signal processing
• Test and measurement equipment logic interfacing

Field Programmable Gate Array Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheets. Confirm package integrity and pin alignment prior to installation. Ensure compliance with relevant regulatory standards such as RoHS if required by the specific application environment. Validate supply chain sources to prevent counterfeit components.

Field Programmable Gate Array Selection Notes

Select this model when moderate logic density and high-speed performance are required within a small form factor. Compare against other Spartan-3 variants based on specific I/O count and gate requirements. Consider thermal management solutions suitable for the PBGA256 package during system design.

Field Programmable Gate Array Part Context

This component is part of the AMD (formerly Xilinx) Spartan-3A FPGA portfolio, designed for cost-sensitive embedded applications. It bridges the gap between lower-density CPLDs and higher-end Virtex devices, offering a balance of performance and resource availability for general-purpose programmable logic needs.

Field Programmable Gate Array Replacement Considerations

Direct replacements may include other Spartan-3A series parts with compatible pinouts or updated generations like Spartan-6 if pin compatibility allows. Verify electrical characteristics and software toolchain support before substituting.