What is full form of ViH in CMOS VLSI? All Questions › Category: VLSI CMOS › What is full form of ViH in CMOS VLSI? 0 Vote Up Vote Down chetan shidling asked 4 years ago I need short information. 1 Answers 0 Vote Up Vote Down chetan shidling answered 4 years ago ViH means lowest logic high input that produces a logic low output.