VHDL (VHSIC Hardware Description Language) is a hardware description language used to model and simulate electronic systems, developed in the 1980s by the United States Department of Defense as part of the Very High Speed Integrated Circuits program, and later standardized by the IEEE as IEEE 1076. Like Verilog, VHDL is used to describe the behavior and structure of digital circuits for simulation and synthesis, but derives its syntax from the Ada programming language.
Facts
First Released Paradigmconcurrent, reactive, dataflow 1 SignificanceVHDL can model the behavior and structure of digital systems at multiple levels of abstraction, from the system level down to logic gates, and is used for design entry, documentation and verification. 1 Connections
Influenced By
"VHDL borrows heavily from the Ada programming language in both concept and syntax," per the Department of Defense requirement to base VHDL syntax on Ada. en.wikipedia.org/wiki/VHDL
Sources
1. VHDL - Wikipedia
History section, sentence 1
In 1983, VHDL was originally developed at the behest of the U.S. Department of Defense in order to document the behavior of the ASIC that supplier companies were including in equipment.
Infobox, Paradigm
Paradigm: concurrent, reactive, dataflow
Lead paragraph, sentence 1
VHDL (VHSIC hardware description language) is a hardware description language that can model the behavior and structure of digital systems at multiple levels of abstraction, ranging from the system level down to that of logic gates.
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