RC triggered active ESD clamps; How should they behave under powered conditions?

Problems with standard RC clamp circuits during powered system level ESD events are reviewed. A new clamp design is presented which employs a proportional triggering scheme that regulates the pad voltage during transient events, rather than simply switching the clamps fully on or off.

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Bibliographic Details
Main Authors: Miller, James W., Stockinger, Michael, Ruth, Scott, Gerdemann, Alex, Etherton, Melanie, Moosa, Mohamed
Format: Conference Proceeding
Language:English
Subjects:
Clamps
electrostatic discharge
Electrostatic discharges
IEC 61000-4-2
Inverters
Logic gates
powered ESD
Rails
RC clamps
Stress
Switches
trigger circuit
Online Access:Request full text
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Description
Summary:Problems with standard RC clamp circuits during powered system level ESD events are reviewed. A new clamp design is presented which employs a proportional triggering scheme that regulates the pad voltage during transient events, rather than simply switching the clamps fully on or off.
ISSN:2381-3555
2691-0462
DOI:10.1109/ICICDT.2014.6838619