ISO 26262:2018 - Functional Safety for Road Vehicles
ISO 26262-11:2018 Guidelines on application of ISO 26262 to semiconductors – ISO 26262:2018 - Functional Safety for Road Vehicles

ISO 26262:2018 - Functional Safety for Road Vehicles 11:4.6: 4.6 Base failure rate for semiconductors

The base (raw) failure rate is the primary input to the quantitative safety analyses and metrics of ISO 26262-5 and concerns random hardware failures only; each estimation technique assumes a set of failure mechanisms, so results from different techniques are not comparable unless harmonised on one shared set of mechanisms and stresses; failure mechanisms depend on circuit type, technology and environment, and since published sources lag deep-submicron technology, JEDEC, IRDS and SEMATECH/ISMI publications give the state of the art; the permanent base failure rate calculation methods, the distribution of the failure rate across parts and subparts by area or transistor count, and the transient failure rate for soft errors are described with worked examples.

Maintained by Gerard BlokdykControl text last updated

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