Intelligent Problems of Design Automation System

This paper summarizes the intelligent problems of design autoination system from following points: ①structural design methodology; ②Knowledge-based design automation system; ③Kno wledge-based behavioural level synthesis; ④Rule-based register transfer level synthesis;⑤Logic level synthesis expert system; ⑥Mask design expert system; ⑦Cell Hbrary and intelligent management system.