ISO PAS 19451-1-2016 (2017) PDF

Full title and description

ISO/PAS 19451-1:2016 — Application of ISO 26262:2011-2012 to semiconductors — Part 1: Application of concepts. This Publicly Available Specification provides guidance for applying the concepts and requirements of ISO 26262 to semiconductor components and parts used in automotive hardware.

Abstract

ISO/PAS 19451-1:2016 describes how the functional-safety concepts of ISO 26262 (2011/2012) can be interpreted and applied to semiconductor devices and semiconductor development processes. It is intended to help semiconductor developers, automotive system designers and suppliers evaluate and document the safety-related use of semiconductor components within vehicle electronic and electrical systems.

General information

• Status: Withdrawn (publication previously available; later withdrawn by ISO/national bodies).
• Publication date: July 2016 (corrected version issued May 2017).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 43.040.10 (Electrical and electronic equipment; semiconductors).
• Edition / version: Edition 1 (2016); corrected version May 2017.
• Number of pages: 128 pages (as published by ISO).

Scope

This PAS provides guidance for developers and evaluators who are considering the use of semiconductor components or parts in hardware elements, systems or items developed according to ISO 26262. It focuses on interpreting ISO 26262 requirements for semiconductor contexts, identifying applicable activities across semiconductor development, and clarifying expectations for documentation, verification and qualification of semiconductor devices used in safety-related automotive applications.

Key topics and requirements

• Mapping ISO 26262 safety lifecycle concepts to semiconductor development activities (requirements allocation, design, verification and validation).
• Guidance on determining applicability of ISO 26262 processes and artefacts to semiconductor components.
• Safety-relevant documentation and evidence expectations for semiconductors (safety cases, assumptions, constraints and usage limits).
• Considerations for Automotive Safety Integrity Level (ASIL) determination and how semiconductor characteristics affect ASIL allocation.
• Verification and validation approaches for semiconductor devices in a vehicle context (test methods, analyses, failure mode considerations).
• Interfaces between semiconductor suppliers and automotive OEMs/systems suppliers (requirements flow-down, conformity of assumptions).
• References to hardware qualification practices and links to ISO 26262 clauses relevant for semiconductor qualification.

Typical use and users

Primary users include semiconductor manufacturers (design and process engineers), automotive OEMs and Tier‑1/ Tier‑2 suppliers integrating semiconductors into safety-related systems, functional safety engineers, quality and compliance teams, and test/qualification laboratories. The PAS is used to interpret ISO 26262 requirements for silicon and packaged devices, to prepare supplier evidence for system integrators, and to support safety justification and documentation for vehicle development projects.

Related standards

Closely related documents include ISO 26262 (all parts relevant to hardware development and safety lifecycle), especially ISO 26262-1 and ISO 26262-8 (hardware-related clauses). ISO/PAS 19451-2:2016 (Part 2: Application of hardware qualification) is the companion PAS addressing hardware qualification topics. Users should consult the full ISO 26262 series for normative requirements and use the 19451 PAS documents as application guidance for semiconductors.

Keywords

ISO 26262, functional safety, semiconductors, semiconductor qualification, automotive safety, ASIL, hardware qualification, safety case, supplier evidence, verification, validation.

FAQ

Q: What is this standard?

A: ISO/PAS 19451-1:2016 is a Publicly Available Specification that gives guidance on applying the concepts of ISO 26262 to semiconductor components used in automotive hardware.

Q: What does it cover?

A: It covers interpretation and application of ISO 26262 safety lifecycle concepts for semiconductors, including documentation expectations, verification and validation considerations, ASIL-related implications, and supplier–OEM information flows. It is guidance (not a replacement of ISO 26262 normative requirements).

Q: Who typically uses it?

A: Semiconductor manufacturers, automotive system designers, functional safety engineers, suppliers (Tiers 1–2), and test/qualification organizations use the PAS to align semiconductor development and evidence with vehicle functional-safety needs.

Q: Is it current or superseded?

A: The document has been withdrawn by ISO (status shown as Withdrawn). Some national adoption records indicate withdrawal dates (for example, national bodies noted withdrawal actions in late 2018 / 2019 and later). Users should treat the PAS as withdrawn and confirm any current guidance or replacements from ISO or their national standards body before relying on it for compliance decisions.

Q: Is it part of a series?

A: Yes — it is Part 1 of the ISO/PAS 19451 series addressing application of ISO 26262 to semiconductors; Part 2 addresses hardware qualification. Both parts were published as PAS documents in 2016.

Q: What are the key keywords?

A: Functional safety, ISO 26262, semiconductors, hardware qualification, ASIL, safety case, verification, validation, supplier evidence.