Centralized SRAM error location detection and recovery mechanism

A data storage device includes two or more memory devices and a controller coupled to the two or more memory devices. The controller is configured to program data to one or more memory devices of the two or more memory devices, select one or more of the one or more memory devices to have additional...

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Bibliographische Detailangaben
Hauptverfasser: Dumchin, Yan, Yoskovits, Yuval, Ilani, Ishai
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A data storage device includes two or more memory devices and a controller coupled to the two or more memory devices. The controller is configured to program data to one or more memory devices of the two or more memory devices, select one or more of the one or more memory devices to have additional ECC for the data of the one or more memory devices, program the additional ECC to a first memory device. The data is programmed with error correction code (ECC). The first memory device is distinct from the one or more memory devices. The first memory device is disposed in a central module, where the central module includes additional decoding capability. The additional ECC and the corresponding data with ECC are concatenated and decoded for additional error correction capability.