Basics of Electrostatic Discharge Protection

20-11-2013 Prof. Mayank Shrivastava, DESE, IISc 1 Basics of Electrostatic Discharge (ESD) Protection Prof. Mayank Shrivastava Department of Electronic Systems Engineering Indian Institute of Science Bangalore Outline Capacitance and ESD on Chip (SoC) Standards HBM CDM IC level Protection Protection devices ESD Concepts Prof. Mayank Shrivastava, DESE, IISc 20-11-2013 Prof. Mayank Shrivastava, DESE, IISc 2 Outline Capacitance and ESD on Chip (SoC) Standards HBM CDM IC level Protection Protection devices ESD Concepts Prof. Mayank Shrivastava, DESE, IISc oHuman body together with its surroundings forms a capacitance absolute value depends on the body mass and surrounding ( humidity and temperature) Q: Is it good or bad? Why? Q: Is there any application/use of body capacitance? oBody capacitance applications: to operate pushbutton switches, in elevators touch screens of smart phones, tablets, etc.

ESD EOS Specific Lightning - High Voltage (1V –15kV) - Short Duration (< 1ms) m - Very Low Power - Low Rise Time (1-10ns) - Low Voltage - Longer Duration (> 1 s) - Low Power - High Rise Time (~ 10ms) - Extremely High Voltage - Extremely High Power EOS In-General ICs used in automotive, military, medical, consumer, etc. electronics

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  Basics, Discharge, Automotive, Lightning, Electrostatic, Basics of electrostatic discharge

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