Semiconductor memory devices having shared data line contacts

Details Semiconductor memory devices having shared data line contacts Semiconductor memory devices having shared data line contacts

1998-09-02

2000-05-02

Fears, Terrell W.

Static information storage and retrieval

Addressing

36518901, G11C 700

Patent

active

06058064&

ABSTRACT:
Disclosed herein is a semiconductor memory device which comprises a memory cell array having a plurality of memory cells and a plurality of bit line pairs connected to the memory cells. The device has two data line pairs corresponding to the memory cell array. Furthermore, the device comprises a plurality of selecting transistors connected to the bit line pairs and selecting two bit line pairs to connect the two selected bit line pairs to the two data line pairs in response to a column selection signal. The selecting transistors corresponding to the column selection signal are laid out to share source/drain to data line contacts with contiguous those to be selected by another column selection signal.

REFERENCES:
patent: 5235550 (1993-08-01), Zagar
patent: 5774408 (1998-06-01), Shirley

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