DYNAMIC REDUNDANCY FOR MEMORY
A dynamic redundancy memory includes a redundancy control module and an ECC module. The ECC detects bit errors, stores the addresses of the error bits, counts the bit errors. If the number of errors exceeds a threshold, the ECC identifies the address as a suspect bit and sends a suspect bit signal t...
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Format | Patent |
Language | English |
Published |
06.08.2020
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Abstract | A dynamic redundancy memory includes a redundancy control module and an ECC module. The ECC detects bit errors, stores the addresses of the error bits, counts the bit errors. If the number of errors exceeds a threshold, the ECC identifies the address as a suspect bit and sends a suspect bit signal to the redundancy control module, which determines whether the suspect bit address is already stored in a redundancy element. If already stored, the element is marked bad, the address of the suspect bit is replaced with a new redundant address and the suspect bit address is stored in a good unused element. The ECC determines whether the error occurrences at the address exceeds a bit error rate threshold. If the error rate threshold is exceeded, the ECC identifies the address as suspect bit and sends the suspect bit signal to the redundancy control module. |
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AbstractList | A dynamic redundancy memory includes a redundancy control module and an ECC module. The ECC detects bit errors, stores the addresses of the error bits, counts the bit errors. If the number of errors exceeds a threshold, the ECC identifies the address as a suspect bit and sends a suspect bit signal to the redundancy control module, which determines whether the suspect bit address is already stored in a redundancy element. If already stored, the element is marked bad, the address of the suspect bit is replaced with a new redundant address and the suspect bit address is stored in a good unused element. The ECC determines whether the error occurrences at the address exceeds a bit error rate threshold. If the error rate threshold is exceeded, the ECC identifies the address as suspect bit and sends the suspect bit signal to the redundancy control module. |
Author | Wordeman, Matthew R Worledge, Daniel DeBrosse, John K Jabeur, Kotb |
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Snippet | A dynamic redundancy memory includes a redundancy control module and an ECC module. The ECC detects bit errors, stores the addresses of the error bits, counts... |
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SubjectTerms | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING INFORMATION STORAGE PHYSICS STATIC STORES |
Title | DYNAMIC REDUNDANCY FOR MEMORY |
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