Systems and methods for ESD protection

A negative electrostatic discharge (ESD) protection network or circuit is described. The circuit can provide protection against a negative-going ESD transient. One embodiment, along with standard positive ESD protection networks, can discharge ESD currents in both polarities and is able to tolerate...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Boyd, Graeme B, Cheng, Xun, Patel, Bijit
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A negative electrostatic discharge (ESD) protection network or circuit is described. The circuit can provide protection against a negative-going ESD transient. One embodiment, along with standard positive ESD protection networks, can discharge ESD currents in both polarities and is able to tolerate a positive/negative voltage that is higher than the maximum voltage allowed for the given fabrication process. It can be used to protect an I/O pin that can be exposed to a relatively wide signal swing range.