Current Generator Circuit and Diagnostic Circuit
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United States of America Patent
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Issued Date -
Nov 19, 2020
app pub date -
Jul 17, 2018
filing date -
Sep 13, 2017
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Abstract
The present invention maintains the accuracy of a reference current used in a functional circuit. Disclosed is a current generator circuit including a functional circuit and a diagnostic circuit. The functional circuit uses a reference current. The diagnostic circuit diagnoses the reference current in accordance with a comparison result obtained from comparison between the period of a periodic signal generated based on the reference current and the period of a reference clock inputted from the outside.
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