SBOA417 July   2020  – MONTH  TLV2372-Q1

 

  1.   Trademarks
  2. 1Overview
  3. 2Functional Safety Failure In Time (FIT) Rates
  4. 3Failure Mode Distribution (FMD)
  5. 4Revision History

Failure Mode Distribution (FMD)

The failure mode distribution estimation for Device Name in Table 3-1 comes from the combination of common failure modes listed in standards such as IEC 61508 and ISO 26262, the ratio of sub-circuit function size and complexity and from best engineering judgment.

The failure modes listed in this section reflect random failure events and do not include failures due to misuse or overstress.

Table 3-1 Die Failure Modes and Distribution
Die Failure ModesFailure Mode Distribution (%)
Out open (HIZ)15%
Out saturate high25%
Out saturate low25%
Out function not in specification voltage or timing30%
Short circuit any two pins5%