Calibration-associated systems and methods

Oscillators – Ring oscillators

Reexamination Certificate

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Details

C331S074000, C324S765010, C713S503000

Reexamination Certificate

active

10840850

ABSTRACT:
The present invention relates to test systems for testing integrated circuit devices and to calibration associated systems and methods. One embodiment of the invention provides an auto-calibration system. The system includes: a plurality of delay line elements (DLEs) adapted to be connected in a loop; a state machine coupled to the plurality of DLEs and operative to provide state data for the plurality of DLEs; a start oscillation signal receiving circuit coupled to the loop and operative to trigger the loop in response to receipt of a start oscillation signal; and a calibration circuit coupled to the loop and operative to acquire calibration data for the plurality of DLEs.

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