Wear-out monitor device
First Claim
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1. An integrated circuit device with wear out monitoring, the integrated circuit device comprising:
- a core circuit;
a wear-out monitor device configured to adjust an indication of wear out of the core circuit regardless of whether the core circuit is activated; and
a sensing circuit configured to detect an electrical property associated with the wear-out monitor device, wherein the electrical property is indicative of the wear out of the core circuit,wherein the wear-out monitor device comprises a substrate and monitor atoms configured to diffuse in the substrate, wherein a doping profile of the monitor atoms in the substrate is indicative of wear out of the core circuit.
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Abstract
The disclosed technology generally relates to integrated circuit devices with wear out monitoring. An integrated circuit device includes a core circuit and a wear-out monitor device. The wear-out monitor device configured to adjust an indication of wear out of the core circuit regardless of whether the core circuit is activated The integrated circuit further includes a sensing circuit coupled to the wear-out monitor device and configured to detect an electrical property of the wear-out monitor device that is indicative of a wear-out level of the core-circuit.
78 Citations
33 Claims
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1. An integrated circuit device with wear out monitoring, the integrated circuit device comprising:
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a core circuit; a wear-out monitor device configured to adjust an indication of wear out of the core circuit regardless of whether the core circuit is activated; and a sensing circuit configured to detect an electrical property associated with the wear-out monitor device, wherein the electrical property is indicative of the wear out of the core circuit, wherein the wear-out monitor device comprises a substrate and monitor atoms configured to diffuse in the substrate, wherein a doping profile of the monitor atoms in the substrate is indicative of wear out of the core circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method of monitoring a wear-out of an integrated circuit device comprising a core circuit and a wear-out monitor device, the method comprising:
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detecting an electrical property of a wear-out monitor device, wherein the wear-out monitor device comprises a semiconductor material and monitor atoms configured to diffuse into the semiconductor material, and wherein the electrical property corresponds to a concentration profile of the monitor atoms in the semiconductor material that is indicative of wear-out of the core circuit; and reporting the electrical property of the wear-out monitor device. - View Dependent Claims (23, 24, 25, 26, 27, 28)
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29. An integrated circuit device with wear-out monitoring, the integrated circuit device comprising:
- a core circuit;
means for recording wear-out of the core circuit as a doping profile of a diffusing material in a substrate wherein the doping profile is indicative of wear out of the core circuit; and
means for detecting an indication of wear-out of the core circuit, the means for recording wear-out being in communication with the means for recording the indication of wear-out. - View Dependent Claims (30, 31, 32, 33)
- a core circuit;
Specification