Fuse fault repair circuit

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11587641
APP PUB NO 20220277803A1
SERIAL NO

17498083

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A fuse fault repair circuit includes a fuse array, a signal storage module, and a scan repair module. The fuse array includes a redundant fuse array and a non-redundant fuse array. When the fuse array is not faulty, the redundant fuse array has no signal output, and the non-redundant fuse array outputs S first logic signals. Each storage unit in the signal storage module is configured to store a first logic signal sent by one fuse unit connected thereto. The scan repair module is configured to scan the storage units in the signal storage module, determine, when a faulty storage unit is scanned, that a first fuse unit connected to the faulty storage unit is faulty, and replace the first fuse unit with a first redundant fuse unit corresponding to the first fuse unit. The first logic signal corresponding to the first redundant fuse unit is a normal signal.

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Patent Owner(s)

  • CHANGXIN MEMORY TECHNOLOGIES, INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wang, Kejun Hefei, CN 7 0

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