VHDL
Proper noun
Meaning
VHDL
(computer languages, hardware) VHSIC Hardware Description Language.
Examples
Advantages The key advantage of VHDL, when used for systems design, is that it allows the behavior of the required system to be described (modeled) and verified (simulated) before synthesis tools translate the design into real hardware (gates and wires).
Again, there are many other ways this can be expressed in VHDL.
History VHDL was originally developed at the behest of the U.S Department of Defense in order to document the behavior of the ASICs that supplier companies were including in equipment.
In 2008, Accellera released VHDL 4.0 to the IEEE for balloting for inclusion in IEEE 1076-2008.
In February 2008, Accellera approved VHDL 4.0 also informally known as VHDL 2008, which addressed more than 90 issues discovered during the trial period for version 3.0 and includes enhanced generic types.
Initially the RTL description in VHDL or Verilog is simulated by creating test benches to simulate the system and observe results.