Semiconductor memory device having column redundancy function

Details Semiconductor memory device having column redundancy function Semiconductor memory device having column redundancy function

1998-10-28

2000-03-07

Nelms, David

Static information storage and retrieval

Addressing

Particular decoder or driver circuit

36523003, G11C 800

Patent

active

06034914&

ABSTRACT:
There is provided a semiconductor memory device which comprises a plurality of memory cells, a plurality of bit lines connected with the plurality of memory cells, a plurality of word lines connected with the plurality of memory cells, a plurality of data line pairs, a plurality of transfer gates for effecting controlled connection of the plurality of bit lines with the plurality of data lines, a plurality of column select lines for controlling conductibility of the plurality of the transfer gates, and a column select line drive circuit for simultaneously selecting and driving at least two of the plurality of column select lines corresponding to one-time column address input from the outside of the chip.

REFERENCES:
patent: 5289413 (1994-02-01), Tsuchida et al.
patent: 5497352 (1996-03-01), Magome
patent: 5566128 (1996-10-01), Magome

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