| 摘要 |
A system measures propagation delays in any number of test circuits, each having two asynchronous inputs and an output, without using their clock inputs to re-initialize the test circuits during measurement operations. The delay between one of the test circuit's asynchronous inputs and its output is measured by propagating a test signal from the one asynchronous input to the output, and the test circuit is re-initialized using the test circuit's other asynchronous input.
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