Offset memory component automatic calibration (autocal) error recovery for a memory subsystem

Several embodiments of memory devices and systems with offset memory component automatic calibration error recovery are disclosed herein. In one embodiment, a system includes at least one memory region and calibration circuitry. The memory region has memory cells that read out data states in respons...

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Bibliographische Detailangaben
Hauptverfasser: Miller, Michael G, Padilla, Renato C, Besinga, Gary F, Cadloni, Gerald L, Liikanen, Bruce A
Format: Patent
Sprache:eng
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Zusammenfassung:Several embodiments of memory devices and systems with offset memory component automatic calibration error recovery are disclosed herein. In one embodiment, a system includes at least one memory region and calibration circuitry. The memory region has memory cells that read out data states in response to application of a current read level signal. The calibration circuitry is operably coupled to the at least one memory region and is configured to determine a read level offset value corresponding to one or more of a plurality of offset read level test signals, including a base offset read level test signal. The base offset read level test signal is offset from the current read level signal by a predetermined value. The calibration circuitry is further configured to output the determined read level offset value.