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US 7,079,431 B2Granted
Arrangement with a memory for storing data
AssigneeInfineon Technologies AG
InventorsErnst Josef Kock, Walter Mischo
Life of this patent
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Abstract
An arrangement with a memory for storing data has a first memory for storing data, switching devices which stipulate whether access to the first memory involves output of the data stored in the first memory or other data, and a second memory for storing the other data. The arrangement is distinguished in that it contains a third memory (103, 203, 310), which is addressed by the address (A) which is used to access the first memory or by a portion (AH) of this address and contains information about which data in the first memory are to be replaced with other data.
Claims23
An arrangement comprising
- a first memory for storing data which is addressed by an address having a first and second portion,
- switching devices which stipulate whether access to the first memory involves output of the data stored in the first memory or other data,
- a second memory for storing the other data, and
- a third memory, which is addressed by the first portion of the address which is used to access the first memory to read a data word that contains information under said first portion of the address including an address portion, this address portion being a respective partial address of a faulty data word within the first memory specified by said address, and further data, wherein these further data are used only if there is a match between the address portion and the second portion of the address.
1 more element
Dependencies are inferred from the claim text.