STORAGE CELL RING-BASED TIME-TO-DIGITAL CONVERTER

In described examples, a storage cell ring includes circularly coupled storage cells. Each storage cell includes a respective capacitor for generating a respective integrated voltage responsive to a respective duration a respective storage cell is selected, a respective thresholding converter for ge...

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Bibliographic Details
Main Authors FORSTER, Patrick, Matthias Georg, SEETHARAMAN, Narayanan
Format Patent
LanguageEnglish
French
German
Published 28.09.2022
Subjects
INFORMATION STORAGE
PHYSICS
STATIC STORES
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Summary:In described examples, a storage cell ring includes circularly coupled storage cells. Each storage cell includes a respective capacitor for generating a respective integrated voltage responsive to a respective duration a respective storage cell is selected, a respective thresholding converter for generating a respective thresholded signal for indicating whether the respective integrated voltage has crossed a threshold, and respective selection circuitry configured to generate a respective select signal responsive to select signals generated by a respective adjacent storage cells. The ring is coupled to an analog quantifier for generating a conversion value responsive to the generated respective integrated voltage and a respective select signal. The ring is coupled to a loop counter for generating a loop count value responsive to changes of values of at least some of the respective thresholded signals. The conversion value and the loop count value can comprise a time measurement.
Bibliography:Application Number: EP20200889163