MRAM architecture for low power consumption and high...

Details MRAM architecture for low power consumption and high... MRAM architecture for low power consumption and high...

2007-10-02

2007-10-02

Zarabian, Amir (Department: 2827)

Static information storage and retrieval

Systems using particular element

Magnetoresistive

C365S158000

Reexamination Certificate

active

10543396

ABSTRACT:
The present invention provides a magnetoresistive memory cell (30), comprising a magnetoresistive memory element (31), a first current line (32) and a second current line (33), the first and the second current line (32, 33) crossing each other at a cross-point region but not being in direct contact. According to the invention, a bridging element(34) connects the first and second current lines (32, 33) in the vicinity of the cross-point region. The bridging element (34) is magnetically couplable to the magnetoresistive memory element (31). An advantage of the MRAM architecture according to the present invention is that it allows lower power consumption than prior art devices and high selectivity during writing. The present invention also provides a method of writing a value in a matrix of magnetoresistive memory cells (30) according to the present invention, and a method of manufacturing such magnetoresistive memory cells (30).

REFERENCES:
patent: 5477482 (1995-12-01), Prinz
patent: 6147922 (2000-11-01), Hurst et al.
patent: 6391483 (2002-05-01), Zhu et al.
patent: 6552926 (2003-04-01), Komori
patent: 6577528 (2003-06-01), Gogl et al.

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