ADJUSTMENT OF PROGRAM VERIFY TARGETS CORRESPONDING TO A LAST PROGRAMMING DISTRIBUTION AND A PROGRAMMING DISTRIBUTION ADJACENT TO AN INITIAL PROGRAMMING DISTRIBUTION
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United States of America Patent
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Issued Date -
Oct 3, 2024
app pub date -
Jun 10, 2024
filing date -
Mar 7, 2019
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Abstract
A processing device determines a plurality of computing error metrics that are indicative of operational characteristics between programming distributions within the memory device. The processing device performs a program targeting operation on a memory cell of the memory device to calibrate one or more program verify (PV) targets associated with the programming distributions. Performing the program targeting operation comprises the processing device selecting a rule from a predefined set of rules based on the plurality of computing error metrics, wherein the predefined set of rules corresponds to an adjusting of a PV target of a last programming distribution. In addition, the processing device adjusts, based on the selected rule, the one or more PV targets of a plurality of PV targets associated with the programming distributions, wherein the one or more PV targets correspond to one or more respective voltage values for programming memory cells of the memory device.
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