Semiconductor memory device including a signal control...

Details Semiconductor memory device including a signal control... Semiconductor memory device including a signal control...

2005-07-15

2008-07-22

Lamarre, Guy J (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

07404136

ABSTRACT:
A semiconductor memory device including semiconductor memory cells with at least one memory cell capable of either acting as a storage device for ECC information or of acting as a redundant memory cell is provided. The semiconductor memory device further includes a signal control device for signaling if the at least one memory cell is to be used either as a storage device or as a redundant memory cell. A method of operating a semiconductor memory device is also provided including the steps of registering a status of a signal device and, depending on the status of the signal device, operating the at least one memory cell either as a storing device for ECC information or as a redundant memory cell.

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patent: 5784391 (1998-07-01), Konigsburg
patent: 2002/0188897 (2002-12-01), Ruckerbauer et al.

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