VHDL (Computer hardware description language) 307 Data processing 111 Design and construction 91 Digital electronics 66 Logic design 52 Computer-aided design 39 Field programmable gate arrays 39 Logic circuits 30 Digital integrated circuits 26 Electronic digital computers 26 System design 25 Programmable logic devices 22 Computer simulation 21 Electronic circuit design 21 Programmable array logic 21 Microprocessors 13 Rapid prototyping 12 Circuits 11 Embedded computer systems 11 Application specific integrated circuits 8 Integrated circuits 8 Laboratory manuals 7 Mathematical models 7 Simulation methods 7 Telecommunication systems 7 Verilog (Computer hardware description language) 6 Very high speed integrated circuits 6 Computer arithmetic and logic units 4 Logic programming 4 Sequential machine theory 4