Title:
METHOD AND DEVICE FOR PROTECTING AN INTEGRATED CIRCUIT AGAINST ELECTROSTATIC DISCHARGES
Document Type and Number:
WIPO Patent Application WO/2021/001740
Kind Code:
A1
Abstract:
The invention concerns a method for protecting an input or input/output terminal (P) of an integrated circuit (IC1) against electrostatic discharges, the method comprising steps consisting in: generating a control signal (CS) resulting from a comparison of a voltage at the terminal (P) with a threshold voltage, the terminal being insulated from a supply voltage of the integrated circuit, closing a switch (N3) between the terminal and ground if the control signal indicates that the terminal voltage is higher than the threshold voltage, and providing a component (CRC) connected between the terminal and the switch, for lowering an equivalent capacitance of the integrated circuit, seen from the terminal.
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Inventors:
RUDOLFF FRANÇOIS (FR)
Application Number:
PCT/IB2020/056118
Publication Date:
January 07, 2021
Filing Date:
June 29, 2020
Export Citation:
Assignee:
WISEKEY SEMICONDUCTORS (FR)
International Classes:
H01L27/02; H02H9/04
Domestic Patent References:
| WO2003063203A2 | 2003-07-31 |
Foreign References:
| US9450402B1 | 2016-09-20 | |||
| US20060050452A1 | 2006-03-09 | |||
| DE102007018237A1 | 2008-10-23 | |||
| US6690066B1 | 2004-02-10 |
Attorney, Agent or Firm:
DE ROQUEMAUREL, Bruno et al. (FR)
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