Design and construction 65 Data processing 63 Digital integrated circuits 33 VHDL (Computer hardware description language) 24 Integrated circuits 23 Computer-aided design 19 Digital electronics 10 Application specific integrated circuits 4 Computer arithmetic and logic units 4 Computer simulation 4 Semiconductors 4 Very large scale integration 4 Abstraction 3 Electric circuit analysis 3 Logic circuits 3 Metal oxide semiconductors, Complementary 3 Data Processing 2 Microwave antennas 2 Microwave integrated circuits 2 Optoelectronic devices 2 Parallel processing (Electronic computers) 2 SPARK (Electronic resource) 2 System design 2 Testing 2 VHDL (Computer hardware discription language) 2 VHDL (Hard description language) 2 Very high speed integrated circuits 2 Computer hardware description languages 1 Design 1 Linear integrated circuits 1