Non-volatile storage device with adaptive data bus inversion
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United States of America Patent
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Apr 14, 2020
Grant Date -
Dec 13, 2018
app pub date -
Jun 8, 2017
filing date -
Jun 8, 2017
priority date (Note) -
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Abstract
An apparatus includes an inversion circuit configured to invert a data word, a first partial-inversion circuit configured to invert a first portion of the data word, a second partial-inversion circuit configured to invert a second portion of the data word, and an output selection circuit configured to compare: the data word, an output of the inversion circuit, an output of the first partial-inversion circuit, and an output of the second partial-inversion circuit with a prior data word, and to select an output according to respective numbers of changed bits from the prior data word.
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