Path delay on-line measurement circuit
A technology for measuring circuit and path delay, applied in the field of integrated circuits, can solve problems such as difficulty in ensuring timing accuracy, interference, and inability to perform online measurement
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[0025] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0026] Please refer to figure 1 , an embodiment of the present invention provides an online path delay measurement circuit. The path delay online measurement circuit includes a measurement trigger module 2 connected to the circuit to be tested 1, a measurement source selection module 3 that is connected to the measurement trigger module 2 and controls the signal from the measurement trigger module 2 to pass through, and a measurement source selection module 3 that is connected to the measurement source The delay measurement module 4 that is connected to the selection module 3 and performs delay measurement on the signal from the source selection ...
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