Memory-arrangement with redundant memory-cells and method to access on the redundant memory-cells

This invention enables a flexible access on the redundant memory-cells in a memory that is divided into blocks. Through the usage of redundant-columns lines and redundant-rows lines of a specified block to remove the defects of another block, then in said another block more defects can be eliminated...

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Hauptverfasser: PLAN, MANFRED, MENKE, MANFRED
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:This invention enables a flexible access on the redundant memory-cells in a memory that is divided into blocks. Through the usage of redundant-columns lines and redundant-rows lines of a specified block to remove the defects of another block, then in said another block more defects can be eliminated than the redundant-memory cells that exist in said another block. This invention can be applied to all memory-architectures, which parallel write or read a bit or many bits of information for each address.