OPEN BLOCK FAMILY DURATION LIMITED BY TIME AND TEMPERATURE
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United States of America Patent
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Issued Date -
May 18, 2023
app pub date -
Jan 18, 2023
filing date -
Jan 18, 2023
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Abstract
A system includes a memory device and a processing device to initialize a block family associated with the memory device and a timer at initialization of the block family. The processing device further stores, in non-volatile memory of the memory device, a value of the timer before powering down the system while the block family is still open. The processing device further detects a power on of the system and measures a data state metric associated with one or more memory cell of a page of the memory device that is associated with the block family. The processing device further compares a level of the data state metric to a temporal voltage shift function to estimate a time after program value of the page and increments the value of the timer, restored from the non-volatile memory, based on the time after program value.
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