Structure of random access memory formed of multibit cells

Details Structure of random access memory formed of multibit cells Structure of random access memory formed of multibit cells

1999-03-29

2000-10-31

Dinh, Son T.

Static information storage and retrieval

Addressing

Multiple port access

365156, G11C 506

Patent

active

061412899

ABSTRACT:
The invention is an integrated circuit data storage array with storage cells disposed in an array of rows and columns with each cell having a number of subcells. The physical location of the subcells substantially reduces the space taken by horizontal data line used for accessing columns. This is accomplished by locating subcells of the same row number, the same bit number, and different column number adjacent to each other in the horizontal direction. As a result, a horizontal data line only extends between adjacent subcells and significantly reduces the wasted layout of multibit horizontal data lines.

REFERENCES:
patent: 5754468 (1998-05-01), Hobson
patent: 5764588 (1998-06-01), Nogami et al.
patent: 5946261 (1999-08-01), Artieri
patent: 6046930 (2000-04-01), Ciraula et al.

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