. . . "ode memory cells of a magnetic random access memory according to an embodiment of the present invention, in which FIG. 24A is a circuit diagram showing a memory cell array, and FIG. 24B is a sectional view showing one cell; FIGS. 25A and 25B are views showing cross-point memory cells of a magnetic random access memory according to an embodiment of the present invention, in which FIG. 25A is a circ" .