Semiconductor memory with memory matrix comprising redundancy ce

Details Semiconductor memory with memory matrix comprising redundancy ce Semiconductor memory with memory matrix comprising redundancy ce

1994-03-29

1995-11-21

Yoo, Do Hyun

Static information storage and retrieval

Read/write circuit

Bad bit

36518907, 36523002, 36523006, G11C 2900

Patent

active

054693896

ABSTRACT:
There is described a semiconductor memory including a matrix of rows and columns of memory cells, wherein the columns are grouped together in sectors, each sector representing the portion of the matrix itself related to a data input/output line. Each sector is in turn divided into packets of columns, and there are redundancy columns suitable for replacing a matrix column containing defective memory cells. Each of the redundancy columns is included in a respective packet. The memory also includes control circuits to execute the abovementioned replacement.

REFERENCES:
patent: 5293348 (1994-03-01), Abe
patent: 5295101 (1994-03-01), Stephens, Jr. et al.

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