Interview Question

Failure Analysis Engineer Interview

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Integrated Device Technology

On MOSFET I-V characteristics shows current flowing through MOS is function of gate voltage and supply voltage. How can you spike current up without varying both voltages?

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2 Answers

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Apply strong electric field at gate so electrons can tunnel through pinch off region. Phenomena also known as punch through. However constant high current flow might damage the MOS.

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0

Increase width of the mosfet

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