Different devices have different levels of sensitivity to electrostatic discharge, or ESD. Thus, there needs to be a way to distinguish ESD-sensitive devices from those which are not as vulnerable to ESD. Each of the ESD models used in ESD sensitivity testing has its own classification system for categorizing devices according to their ESD sensitivity.
ESD rhiab heev ntawm ib lub cuab yeej yog feem ntau teev nyob rau hauv cov nqe lus ntawm lub siab tshaj plaws ESD xeem voltage uas nws dhau thiab qhov qis tshaj ESD xeem voltage uas nws ua tsis tau tejyam rau ESD qauv. Yog li, ESD rhiab heev yog feem ntau qhia raws li qhov ntau ntawm ESD qhov hluav taws xob uas lub cuab yeej tuaj yeem ua rau muaj kev nyab xeeb rau txhua tus qauv ESD. Cov lus hauv qab no nthuav qhia ESD rhiab heev rau qib uas tau teev tseg los ntawm ESD Association rau txhua tus qauv ESD.
Table 1. ESDS Component Sensitivity Classification - Tib neeg lub cev qauv
(Pib ESD STM5.1-1998)
Table 2. ESDS Component Sensitivity Classification - Tshuab Qauv
(Rau ESD STM5.2-1999)
Table 3. ESDS Component Sensitivity Classification - Charged Device Model
(Rau ESD STM5.3.1-1999)
A complete ESD characterization of every new product prior to its release is highly recommended. Complete ESD characterization consists of subjecting the device to ESD testing for all of the three ESD models, i.e., HBM, CDM, MM. Data for one ESD model can not be substituted for those of the other ESD models, since good ESDS test results for one model doesn't necessarily mean that the test results will also be good for the other ESD models. Thus, a company that takes its ESD program seriously must equip itself with ESD tester(s) capable of performing the required ESD tests for each of the test models.
