Precise writing of multi-level weights to memory devices for compute-in-memory
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United States of America Patent
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Jun 11, 2024
Grant Date -
Apr 1, 2021
app pub date -
Dec 10, 2020
filing date -
Dec 10, 2020
priority date (Note) -
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Abstract
Systems and methods for precision writing of weight values to a memory capable of storing multiple levels in each cell are disclosed. Embodiments include logic to compare an electrical parameter read from a memory cell with a base reference and an interval reference, and stop writing once the electrical parameter is between the base reference and the base plus the interval reference. The interval may be determined using a greater number of levels than the number of stored levels, to prevent possible overlap of read values of the electrical parameter due to memory device variations.
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