Bi-directional ESD protection circuit

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United States of America Patent

PATENT NO 9812439
SERIAL NO

14514066

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Abstract

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An electrostatic discharge (ESD) device for protecting an input/output terminal of a circuit, the device comprising a first transistor with an integrated silicon-controlled rectifier (SCR) coupled between the input/output (I/O) terminal of the circuit and a node and a second transistor with an integrated silicon-controlled rectifier coupled between the node and a negative terminal of a supply voltage, wherein the silicon-controlled rectifier of the first transistor triggers in response to a negative ESD voltage and the silicon-controlled rectifier of the second transistor triggers in response to a positive ESD voltage.

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Patent Owner(s)

  • TEXAS INSTRUMENTS INCORPORATED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brodsky, Jonathan Richardson, US 20 232
Chen, Wayne Tien-Feng Plano, US 11 323
Pauletti, Timothy Patrick Plano, US 14 57
Pendharkar, Sameer Dallas, US 182 1287
Steinhoff, Robert Dallas, US 11 158

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