Semiconductor memory device having a column selector

Details Semiconductor memory device having a column selector Semiconductor memory device having a column selector

1995-04-11

1996-12-31

Nelms, David C.

Static information storage and retrieval

Addressing

36518901, 36523006, G11C 700

Patent

active

055900844

ABSTRACT:
A semiconductor memory device comprises column decoders of the number greater than the number of column addresses of a memory cell array and logical circuits of the same number as that of the column addresses. A column gate of a column is controlled by means of a logical OR between outputs from a plurality of column decoders for decoding different column addresses. As a result, even a column located at an end of the memory cell array can be accessed by means of a logical OR between outputs from a column decoder corresponding to the column and another column decoder.

REFERENCES:
patent: 4965770 (1990-10-01), Yanagisawa
Patent Abstracts of Japan, vol. 13, No. 197 (P-868), May 11, 1989.
Patent Abstracts of Japan, vol. 14, No. 98 (P-1011), Feb. 22, 1990.

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