XCircuit - The Circuit Drawing and Schematic Capture Tool

There are drawing programs, and there are schematic capture programs. All schematic capture programs will produce output for inclusion in publications. However, these programs have different goals, and it shows. Rarely is the output of a schematic capture program really suitable for publication; often it is not even readable, or cannot be scaled. Engineers who really want to have a useful schematic drawing of a circuit usually redraw the circuit in a general drawing program, which can be both tedious and prone to introducing new errors.

XCircuit is a UNIX/X11 (and Windows, if you have an X-Server running, or Windows API, if not) program for drawing publishable-quality electrical circuit schematic diagrams and related figures, and produce circuit netlists through schematic capture. XCircuit regards circuits as inherently hierarchical, and writes both hierarchical PostScript output and hierarchical SPICE netlists. Circuit components are saved in and retrieved from libraries which are fully editable. XCircuit does not separate artistic expression from circuit drawing; it maintains flexiblity in style without compromising the power of schematic capture.

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Magic - The VLSI Layout Editor, Extraction, and DRC Tool.

Magic is a venerable VLSI layout tool, written in the 1980's at Berkeley by John Ousterhout, now famous primarily for writing the scripting interpreter language Tcl. Due largely in part to its liberal Berkeley open-source license, magic has remained popular with universities and small companies. The open-source license has allowed VLSI engineers with a bent toward programming to implement clever ideas and help magic stay abreast of fabrication technology. However, it is the well thought-out core algorithms which lend to magic the greatest part of its popularity. Magic is widely cited as being the easiest tool to use for circuit layout, even for people who ultimately rely on commercial tools for their product design flow.

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Xilinx ISE Design suite 10.1

Xilinx Integrated Software Environment (ISE) is a powerful yet flexible integrated design environment that allows you to design Xilinx FPGA and CPLD devices from start to finish. ISE includes our world class design entry, synthesis and implementation tools delivering the industry's fastest place and route times, highest performance, and most advanced design methodologies.

Project Navigator is the user interface that helps you manage the entire design process including design entry, simulation, synthesis, implementation and finally download the configuration of your FPGA or CPLD device.

The following is an outline of the features offered in ISE.

Design Entry

• HDL Editor
• StateCAD State Machine Editor
• Schematic Editor - Engineering Capture System (ECS)
• CORE Generator

Synthesis

• XST - Xilinx Synthesis Technology
• Integration with LeonardoSpectrum from Mentor Graphics, Inc.
• Integration with Synplify from Synplicity, Inc.

Simulation

• HDL Bencher Testbench Generator
• Integration with ModelSim Simulator from Model Technology, Inc.

Implementation

• Translate
• MAP
• Place and Route (PAR)
• Floorplanner
• FPGA Editor
• Timing Analyzer
• XPower
• Fit (CPLD only)
• Chipviewer (CPLD only)

Device Download and Program File Formatting

• BitGen
• iMPACT

Download the Xilinx ISE 10.1 design suit from Here