Electrical overstress recording and/or harvesting
First Claim
Patent Images
1. An apparatus comprising:
- an electrical overstress sense device;
a detection circuit electrically coupled to the electrical overstress sense device, the detection circuit configured to detect an occurrence of an electrical overstress event;
an electrical overstress protection device configured to provide electrical overstress protection for the electrical overstress sense device, wherein the electrical overstress device is in parallel with the electrical overstress sense device; and
a memory configured to store information indicative of the electrical overstress event detected by the detection circuit.
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Abstract
Aspects of this disclosure relate to detecting and recording information associated with electrical overstress (EOS) events, such as electrostatic discharge (ESD) events. For example, in one embodiment, an apparatus includes an electrical overstress protection device, a detection circuit configured to detect an occurrence of the EOS event, and a memory configured to store information indicative of the EOS event.
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Citations
34 Claims
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1. An apparatus comprising:
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an electrical overstress sense device; a detection circuit electrically coupled to the electrical overstress sense device, the detection circuit configured to detect an occurrence of an electrical overstress event; an electrical overstress protection device configured to provide electrical overstress protection for the electrical overstress sense device, wherein the electrical overstress device is in parallel with the electrical overstress sense device; and a memory configured to store information indicative of the electrical overstress event detected by the detection circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An apparatus comprising:
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an electrical overstress sense device; a detection circuit electrically connected to the electrical overstress sense device, the detection circuit configured to detect an occurrence of an electrical overstress event, wherein the electrical overstress sense device and the detection circuit are embodied on a single die; and a reporting circuit in communication with the detection circuit, the reporting circuit configured to provide information indicative of the electrical overstress event detected by the detection circuit, wherein the information indicative of the electrical overstress event is indicative of at least one of functional safety of the single die or functional safety of an electronic system that includes the single die and other electronic components. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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25. An electronically-implemented method of recording information associated with an electrical overstress event, the method comprising:
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detecting, using detection circuitry electrically connected to an electrical overstress sense device, an occurrence of an electrical overstress event; providing electrical overstress protection for the electrical overstress sense device using an electrical overstress protection device, wherein the electrical overstress protection device is in parallel with the electrical overstress sense device; and recording information associated with the occurrence of the electrical overstress event to a memory. - View Dependent Claims (26, 27)
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28. An apparatus comprising:
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an electrical overstress sense device; a detection circuit electrically coupled to the electrical overstress sense device, the detection circuit configured to detect an occurrence of an electrical overstress event; and a memory comprising fuse elements configured to blow at different electrical overstress event levels, wherein the fuse elements are configured to store information indicative of the electrical overstress event detected by the detection circuit. - View Dependent Claims (29, 30)
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31. An apparatus comprising:
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a signal contact configured to receive an input/output signal; an internal circuit; an electrical overstress isolation device coupled between the signal contact and the internal circuit; an electrical overstress protection device electrically connected to the signal contact; and a detection circuit electrically coupled to the electrical overstress protection device, the detection circuit configured to detect an occurrence of an electrical overstress event and to measure an intensity of the electrical overstress event. - View Dependent Claims (32, 33, 34)
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Specification