CPC G01R 31/31725 (2013.01) [G01R 31/3016 (2013.01); G01R 31/31937 (2013.01); H03K 3/0315 (2013.01); H03K 5/134 (2014.07)] | 9 Claims |
1. An integrated circuit, comprising:
programmable circuitry configured to generate a first oscillator signal in response to a first plurality of control signals and a second oscillator signal in response to a second plurality of control signals having values different from the first plurality of control signals; and
a controller configured to provide the first and second pluralities of control signals to the programmable circuitry, receive the first and second oscillator signals, and determine a central tendency of propagation delay of the programmable circuitry using the first and second oscillator signals.
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