Circuit reliability

Circuit reliability (also time availability) (CiR) is the percentage of time an electronic circuit was available for use in a specified period of scheduled availability. Circuit reliability is given by

${\displaystyle T_{s}=T_{a}+T_{o}}$

where ${\displaystyle T_{o}}$ is the circuit total outage time, ${\displaystyle T_{s}}$ is the circuit total scheduled time, and ${\displaystyle T_{a}}$ is the circuit total available time. In addition, circuit reliability is the expected lifespan of operation of a functioning system under nominal conditions.

 This article incorporates public domain material from Federal Standard 1037C. General Services Administration. Archived from the original on 2022-01-22. (in support of MIL-STD-188).

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