ELECTRONIC DEVICE AND CORRESPONDING SELF-TEST METHOD

An electronic device (10) such as an e-fuse comprises analog circuitry configured to be set to one or more self-test configurations. To that effect the device comprises self-test controller circuitry (12) in turn comprising:an analog configuration and sensing circuit (16, 162) configured to set the...

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Bibliographic Details
Main Authors DONDINI, Mirko, RANDAZZO, Vincenzo, TRECARICHI, Calogero Andrea, CRISAFULLI, Roberto
Format Patent
LanguageEnglish
French
German
Published 02.03.2022
Subjects
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:An electronic device (10) such as an e-fuse comprises analog circuitry configured to be set to one or more self-test configurations. To that effect the device comprises self-test controller circuitry (12) in turn comprising:an analog configuration and sensing circuit (16, 162) configured to set the analog circuitry to one or more self-test configurations and to sense test signals occurring in the analog circuitry set to such self-test configurations,a data acquisition circuit (18, 182) configured to acquire and convert to digital the test signals sensed at the analog sensing circuit, anda fault event detection circuit (22, 222) configured to check the test signals converted to digital against reference parameters.The device (10) comprises integrated therein a self-test controller (12) configured to control parts or stages of the device to configure circuits, acquire data and control test execution under the coordination of a test sequencer (120).
Bibliography:Application Number: EP20210190380