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US 2026/0238193 A1Published application
Process variation detection and adaptive voltage scaling
AssigneeXilinx, Inc.
InventorsZhaowen Wang, Nader Sharifi, Hsin Cheng Yu
Life of this patent
Estimating the term…
Abstract
A system includes a plurality of ring oscillators, a controlled circuit, and a controller operably coupled to the plurality of ring oscillators and the controlled circuit. The controller is configured to operate one or more of the plurality of ring oscillators based on the controlled circuit and provide a voltage code to the controlled circuit based on analyzing oscillation behaviors of the one or more of the plurality of ring oscillators.
Claims20
A system comprising:
- a plurality of ring oscillators comprising an NMOS ring oscillator, a PMOS ring oscillator and a CMOS ring oscillator;
- a controlled circuit;
- and
- a controller operably coupled to the plurality of ring oscillators and the controlled circuit, wherein the controller is configured to:
- operate one or more of the plurality of ring oscillators based on the controlled circuit;
- and
- provide a voltage code to the controlled circuit based on analyzing oscillation behaviors of the one or more of the plurality of ring oscillators.
4 more elements
A device comprising:
- a processor;
- and
- a non-transitory computer-readable medium storing instructions which, when executed by the processor, cause the processor to:
- operate one or more of a plurality of ring oscillators based on a controlled circuit, wherein the plurality of ring oscillators comprise an NMOS ring oscillator, a PMOS ring oscillator and a CMOS ring oscillator;
- and
- provide a voltage code to the controlled circuit based on analyzing oscillation behaviors of the one or more of the plurality of ring oscillators.
3 more elements
A method comprising:
- operating one or more of a plurality of ring oscillators based on a controlled circuit, wherein the plurality of ring oscillators comprise an NMOS ring oscillator, a PMOS ring oscillator and a CMOS ring oscillator;
- and
- providing a voltage code to the controlled circuit based on analyzing oscillation behaviors of the one or more of the plurality of ring oscillators.
Dependencies are inferred from the claim text.