Importance

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Abstract

The disclosure relates in some aspects to an apparatus that includes stages of a failure event counting circuit including an N^th stage where N refers to an arbitrary stage of the stages of the failure event counting circuit. The N^th stage may include an N^th fuse trigger circuit configured to receive an event detector signal indicative of a failure event, an N^th electronic fuse configured to disconnect a circuit path between a voltage source and a ground in response to the event detector signal, and an N^th delay circuit coupled to the N^th e-fuse and configured to cause a time delay for activating a subsequent stage of the failure event counting circuit in response to the N^th e-fuse disconnecting. In this aspect, each of the stages of the failure event counting circuit may be configured to use the respective e-fuse to record a discrete failure event.

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First Claim