18449491. EARLY DETECTION OF ROOM TEMPERATURE DATA RETENTION PHENOMENA (Western Digital Technologies, Inc.)
Contents
EARLY DETECTION OF ROOM TEMPERATURE DATA RETENTION PHENOMENA
Organization Name
Western Digital Technologies, Inc.
Inventor(s)
Pradeep Hegde of Bangalore (IN)
Akhilesh Yadav of Bangalore (IN)
Shivam Mishra of Bangalore (IN)
EARLY DETECTION OF ROOM TEMPERATURE DATA RETENTION PHENOMENA
This abstract first appeared for US patent application 18449491 titled 'EARLY DETECTION OF ROOM TEMPERATURE DATA RETENTION PHENOMENA
Original Abstract Submitted
Early detection of Room Temperature Data Retention (RTDR) phenomena in programmed metablocks of data storage devices. In one embodiment, a memory controller includes a memory interface configured to interface with a non-volatile memory and a controller. The controller is configured to program a metablock of the non-volatile memory. Programming the metablock includes assigning the metablock to one of a plurality of thermal region tags (“TRTs”) associated with a respective one of a plurality of thermal regions. Each TRT is associated with a respective set of read parameters. The controller is further configured to perform a periodic TRT update to detect a RTDR phenomena associated with the metablock. In response to determining that the threshold associated with the detection of a RTDR phenomena has been exceeded, the controller reassigns the metablock to a different one of the TRTs.
