Most waveform viewers can read an industrial standard waveform database known as Value Change Dump (VCD) or a proprietary wave format. In addition, the waveform view has many ways of displaying signal information, such as in hexadecimal, binary, or a symbolic value. ![]() Waveform viewers allow you to zoom in and out over a time sequence, and take measurements between two cursor points. Simulators can be used to interactively capture wave data for immediate viewing on a waveform viewer however, for integrated circuit design the usage model is typically to save the output of simulation runs by running batch jobs and to view the waveforms off-line as a static database. A waveform view allows an IC designer to see the signal transitions over time and the relation of those signals with other signals in an IC design, which is typically written in a hardware description language. ![]() In integrated circuit design, waveform viewers are typically used in conjunction with a simulation.
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