Texas Instruments Corporation

Ernst Gerog Muellner

Baher S Haroun

Swaminathan Sankaran

Bradley Allen Kramer

Ralf Peter Brederlow

Tobias Bernhard Fritz

In described examples, a ring oscillator includes a series of N stages in a first ring. Each stage includes a respective output terminal coupled to a respective input terminal of a next one of the stages in the first ring. N is a positive odd-numbered integer of at least three. A series of N level shifters in a second ring are respectively connected to the N stages. Each level shifter receives a respective clock output from a respective output terminal of a stage to which it is connected and generates a respective boosted clock output in response thereto. The boosted clock output is coupled to control an impedance state of a next one of the level shifters in the second ring.

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Munich, Germany

Ernst Gerog Muellner