Patent ID: 7141842

Claim:
A magnetic memory device comprising: a memory cell which includes a first wiring line composed of a first wiring layer, a second wiring line composed of a second wiring layer and provided above or below the first wiring line so as to cross the first wiring line, and a magnetoresistive effect element device provided in a position where the first wiring line and the second wiring line cross each other; and a peripheral circuit which includes a third wiring line provided around the memory cell and composed of the first wiring layer, a fourth wiring line provided above or below the third wiring line and composed of the second wiring layer, and a magnetic layer provided between the third wiring line and the fourth wiring line and separated from both of the third wiring line and the fourth wiring line, and the magnetic layer electrically connected to only one of the third wiring line and the fourth wiring line via a nonmagnetic layer.