Semiconductor memory device
A memory and semiconductor technology, applied in static memory, read-only memory, information storage, etc., to achieve the effect of improving the correction ability
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[0031] Exemplary embodiments of semiconductor memory devices will be described in detail with reference to the accompanying drawings. In this embodiment, a memory chip storing an error correction code to recover damage of a large data block is provided in a semiconductor memory device in which a plurality of memory chips are mounted. When data is corrupted in a large data block, the data is recovered by using the error correction code. The error correction code for recovering damage of a large data block is also used as an error correction code for correcting an error in a small data block, and error correction between memory chips and error correction in a page are performed arbitrarily and repeatedly, so Improved error correction capability.
[0032] figure 1 is a block diagram showing the configuration of the semiconductor memory device 1 applicable to the embodiment. exist figure 1 In an example, a semiconductor memory device 1 includes an interface (I / F) 10 , a buffer...
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