Transcription of Charged Device Model (CDM) Qualification Issues
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Charged Device Model (CDM) Qualification Issues
Charged Device Model (CDM) Qualification Issues Industry Council on ESD Target Levels CDM Presentation 2 Purpose /Abstract IC design for performance constraints make it increasingly difficult to meet the current CDM levels as the technologies continue to shrink and the circuit speed demands continue to increase This work shows that devices with CDM levels below the general target of 500 V can safely be handled with CDM control methods available in the industry today Based on these observations and constraints it will be shown through this work that 250V is a safe and practical target CDM level Industry Council on ESD Target Levels CDM Presentation 3 Outline Relevance of CDM CDM Technology & Design Issues CDM Qualification Methods ESD Control Methods Addressing CDM Analysis of Field Return Data Summary Conclusion Roadmap Industry Council on ESD Target Levels CDM Presentation 4 Relevance of CDM CDM is a unique and important test method for
parts and control of insulators 125V ≤ V CDM < 250V •Basic ESD control methods with grounding of metallic machine parts and control of insulators + •Process specific measures to reduce the charging of the device OR to avoid a hard discharge (high resistive material in contact with the device leads). V CDM
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