Magnetic Memory Array

Details Magnetic Memory Array Magnetic Memory Array

2007-12-25

2007-12-25

Pham, Ly Duy (Department: 2827)

Static information storage and retrieval

Read/write circuit

Differential sensing

C365S066000, C365S158000, C365S171000, C365S173000, C365S207000, C365S209000, C365S214000

Reexamination Certificate

active

11288494

ABSTRACT:
A magnetic memory is disclosed. In one embodiment, the magnetic memory array includes a plurality of cell columns and a pair of reference cell columns, including a first reference cell column and a second reference cell column. A comparator is provided with a first and a second input terminal. A switching circuit is configured to connect each of the cell columns to the first input terminal and the pair of reference cell columns coupled in parallel to the second input terminal, and configured to connect the first reference cell column to the first input terminal and the second reference cell column to the second input terminal.

REFERENCES:
patent: 5933366 (1999-08-01), Yoshikawa
patent: 6341081 (2002-01-01), Kang
patent: 6531723 (2003-03-01), Engel et al.
patent: 6538940 (2003-03-01), Nahas et al.
patent: 6545906 (2003-04-01), Savtchenko et al.
patent: 6625076 (2003-09-01), Weber et al.
patent: 6760269 (2004-07-01), Nakase et al.
patent: 2002/0172073 (2002-11-01), Hidaka

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