Acronym Definition; XST: Xilinx Synthesis Technology: XST: Xilinx Synthesis Tool: XST: Extended Set Theory: XST: Experimental Survivable Testbed: XST: Experimental. Does any one know what synthesis tool is used in Xilinx ISE 6.3i. Is it Xilinx Synthesis technology (XST) or Synplicity Synplify. I have read The ISE® software includes Xilinx® Synthesis Technology (XST), which synthesizes VHDL, Verilog, or mixed language designs to create Xilinx-specific netlist files. Hello I recently installed ISE WEBPACK12.2 on ubuntu 12.04 and when creating a new project on Design Properties , the synthesis tool Acronym Definition; XST: Xilinx Synthesis Technology: XST: Xilinx Synthesis Tool: XST: Extended Set Theory: XST: Experimental Survivable Testbed: XST: Experimental. Dear all, I am using ISE Xilinx 14.7 and the default synthesis tool is XST. I would like to know is there any most powerful and accurate for this software? メモ : 合成ツールとして XST を指定するには、[Design Properties] ダイアログ ボックスの [Synthesis Tool] プロパティを [XST] に設定. Xilinx Xst User Guide 10.1 (XST), implementation, CORE Generator™ tool, Timing Constraints Editor, ISE Simulator. (ISim) Suite beginning with version 10.1. XST User Guide for Virtex-4, Virtex-5, Spartan-3, and Newer CPLD Devices UG627 (v 12.4) December 14, 2010 AR 14386 XST- A design does not fit a CPLD when I synthesize with XST, but it fits easily with another synthesis tool.