Circuit and method for determining the operating performance of

Horology: time measuring systems or devices – Time interval – Electrical or electromechanical

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324617, 395550, G04F 800, H01L 2166, G06F 100

Patent

active

055131522

ABSTRACT:
A circuit and method for determining the operating performance of an integrated circuit which may be used to screen integrated circuits prior to sale or delivery, or to optimize the frequency of the integrated circuit during use. The circuit employs a comparison circuit to compare a first time of arrival of a clock pulse, which is propagating through the integrated circuit with a second time of arrival of the clock signal at a second input. The comparison circuit produces an output signal which may be used to reject or accept the integrated circuit, or to automatically adjust the frequency to minimize the delay.

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