XC6SLX25-3FT256C
XC6SLX25-3FT256C - 24,051-Cell Spartan-6 LX FPGA | AMD
The Xilinx XC6SLX25-3FT256C is a Spartan-6 LX field-programmable gate array with 24,051 logic elements, 186 I/O, a 1.2 V core supply, and a 256-pin FTBGA package. Built with 45 nm CMOS technology, this FPGA combines 3,758 adaptive logic modules, 1,879 configurable logic blocks, and 936 kbit of embedded memory in a compact 17 x 17 mm package. The -3 designation identifies the device performance grade, while the 256 suffix identifies the 256-ball package configuration.
A field-programmable gate array is a semiconductor whose digital logic, interconnect, and I/O behavior are configured after manufacture. The Spartan-6 LX FPGA family belongs to the broader FPGA hierarchy, which sits between fixed-function logic ICs and programmable ASICs. It combines hardware parallelism, field-updatable configuration, and deterministic control capabilities for systems requiring custom logic, interface adaptation, or signal processing.
The verified device data identifies 3,758 adaptive logic modules, 1,879 configurable logic blocks, 936 kbit of embedded memory, and 186 I/O. Its 45 nm CMOS implementation operates from a 1.2 V core, making it appropriate for compact embedded systems where power, board area, and computational throughput must be balanced. The Spartan-6 architecture also supports programmable logic blocks, block RAM, digital signal processing resources, and dedicated input/output functions, although individual resource counts beyond those published here require confirmation in the manufacturer documentation.
The XC6SLX25 device is positioned between smaller Spartan-6 LX members and larger LX fabrics. Compared with the XC6SLX9, it provides substantially more configurable logic and embedded memory, making it suitable for multi-channel control, protocol bridging, and parallel data processing. The verified XC6SLX25 comparison data also lists a 667 MHz performance figure, but the exact relationship between that figure and the -3 speed suffix should be confirmed against the applicable AMD/Xilinx device documentation for the intended design.
Typical uses include industrial automation, communications equipment, embedded control, video and image processing, sensor acquisition, and compact embedded platforms. The 186 I/O provide substantial board-level connectivity, while the 936 kbit of embedded memory can support buffering, packet handling, and control functions without relying entirely on external memory. These resources make the device useful for designs combining a processor or microcontroller with dedicated high-speed or parallel logic.
Designers should use the official Spartan-6 package pinout and power-guidance documents rather than inferring BGA connectivity from a generic package drawing. PCB layout must provide the specified core and I/O supplies, decoupling, clocking, configuration storage, and exposed-pad thermal treatment. Because the supplied data does not contain the complete 256-ball pinout or recommended operating ranges, those details remain data-needed rather than being inferred.
This product page consolidates the verified 24,051-cell, 1.2 V, 45 nm, 256-pin device attributes, current distributor pricing, same-family drop-in candidates, and practical replacement guidance. It provides engineering context that is not available from a distributor inventory listing alone, while clearly separating verified facts from documentation that still requires confirmation.
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