What is the main standard for functional safety that was used to derive other standards? All Questions › Category: Automotive Electronics › What is the main standard for functional safety that was used to derive other standards? 0 Vote Up Vote Down Chetan Shidling Staff asked 8 months ago Options: IEC 61506 ISO 61508 IEC 61508 ISO 61507 1 Answers 0 Vote Up Vote Down Chetan Shidling Staff answered 8 months ago Answer: IEC 61508