The description of the hardware design as built: its blocks, interfaces, safety mechanisms and the design decisions behind them, at a level reviewers and integrators can follow.
Specification Work product in the Automotive and safety-critical lifecycle, the Medical electronics and medical device chips lifecycle and the Automotive SPICE process and assessment lifecycle
It explains how the hardware realises its requirements, so safety analyses, verification and later maintenance rest on an agreed description rather than on reading the source. Reviewers confirm from it that safety requirements are implemented, and process assessments find their evidence of hardware design there.
The full lifecycle detail, with its charts, flows, tables and every section, is for registered members. Registration is free and takes a minute. You come back to this page afterwards.