Importance

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Abstract

Methods, systems, and devices for erasure decoding for a memory device are described. In accordance with the described techniques, a memory device may be configured to identify conditions associated with an erasure, a possible erasure, or an otherwise indeterminate logic state (e.g., of a memory cell, of an information position of a codeword). Such an identification may be used to enhance aspects of error handling operations, including those that may be performed at the memory device or a host device (e.g., error handling operations performed at a memory controller external to the memory device). For example, error handling operations may be performed using speculative codewords, where information positions associated with an indeterminate or unassigned logic state are assigned with a respective assumed logic state, which may extend a capability of error detection or error correction compared to handling errors with unknown positions.

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First Claim