| 摘要 |
Various embodiments include apparatus and methods having circuitry to test continuity of conductive paths coupled to dice arranged in a stack. In at least one of these embodiments, a method includes electrically coupling each of the conductive paths to at least one of a first supply node and a second supply node. One of the conductive paths includes conductive material inside a via that can extend at least partly through a die among the dice in the stack. The method also includes receiving signals from the conductive paths, and determining continuity of the conductive paths based on the signals without using a boundary scan.
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