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Specman is an EDA tool that provides advanced automated Functional verification of hardware designs. It provides an environment for working with, compiling, and debugging testbench environments written in the e Hardware Verification Language. Specman also offers automated testbench generation to boost productivity in the context of block, chip, and system verification.

The Specman tool itself does not include an HDL-simulation environment (such as VHDL or Verilog.) To simulate an e-testbench with a design written in VHDL/Verilog, Specman must be run in conjunction with a separate HDL simulation tool. In principle, Specman can co-simulate with any HDL-simulator supporting standard PLI or VHPI interface, such as Cadence's NC-Sim or Verilog-XL, Synopsys's VCS, or Mentor's ModelSim, or Aldec's Riviera-PRO. But in practice, Specman is used almost exclusively with NC-Sim, where tighter product integration with NC-Sim offers both faster runtime performance and debug capabilities not available with other HDL-simulators.


Specman was originally developed at Verisity, an Israel based company, which was acquired by Cadence on April 7, 2005.

It is now part of the Cadence's functional verification suite, "Incisive Enterprise Simulator", although Specman can still be licensed as a standalone product.


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