HDL Hardware Description Language

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Presentation transcript:

HDL Hardware Description Language

HDL Manual methods for designing logic circuits are feasible only when the circuit is small. For anything else (i.e., a practical circuit), designers use computer-based design tools. A hardware description language (HDL) is a computer-based language that describes the hardware of digital systems in a textual form. It resembles an ordinary computer programming language, such as C, but is specifically oriented to describing hardware structures and the behavior of logic circuits. It can be used to represent logic diagrams, truth tables, Boolean expressions, and complex abstractions of the behavior of a digital system.

HDL There are two standard HDLs that are supported by the IEEE: VHDL and Verilog.