What is Soft error?
A temporary flip of data stored in memory or flip-flops caused by neutrons from cosmic rays, alpha particles and the like. The device is not damaged, so rewriting restores correct operation.
Field: Reliability
Soft error in the explanations
A soft error occurs when alpha particles from package materials or cosmic-ray-induced neutrons generate charge in silicon and flip stored data.
Which correctly describes a soft error in memory?The soft error rate is therefore higher at high altitudes and inside aircraft than at ground level.
In which environment is the rate of soft errors caused by c…Instead, an intense neutron beam at an accelerator facility is applied, and the soft error rate (FIT) in the real environment is estimated from the number of errors that occur in a short time.
To evaluate susceptibility to soft errors caused by cosmic-…
Questions that mention Soft error (3)
- Which correctly describes a soft error in memory?
- In which environment is the rate of soft errors caused by cosmic-ray neutrons higher?
- To evaluate susceptibility to soft errors caused by cosmic-ray neutrons, which method measures quickly by applying neutrons far more intense than in the real environment?
Related terms
ECC (error-correcting code) Arrhenius model Bathtub curve Electromigration ESD (electrostatic discharge) FIT rate Hot carrier injection (HCI) Latch-up MTTF (mean time to failure) NBTI (negative bias temperature instability)