( Semiconductor foundries stipulate the usage of tools chosen from an approved list, in order for the customer's design to receive signoff status. The last point is critical for the ASIC tapeout process, when a design-database is released to manufacturing. Additionally, limited-functionality editions of the Aldec and Modelsim simulator are downloadable free of charge, from their respective OEM partners (Actel, Altera, Lattice Semiconductor, Xilinx, etc.) For those desiring open-source software, there is Icarus Verilog, among others.īeyond the desktop level, enterprise-level simulators offer faster simulation runtime, more robust support for mixed-language ( VHDL and Verilog) simulation, and most importantly, are validated for timing-accurate (SDF-annotated) gate-level simulation. The suites bundle the simulator engine with a complete development environment: text editor, waveform viewer, and RTL-level browser. For desktop/personal use, Aldec, Mentor, LogicSim, SynaptiCAD, and others offer reasonably priced (<$5000 USD) tool-suites for the Windows 2000/XP platform. Today, Verilog simulators are available from many vendors, at all price points.
Verilog simulation software has come a long way since its early origin as a single proprietary product offered by one company. Template:wikipedia list Verilog simulators are software packages that emulate the Verilog hardware description language.
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