CROSS POINT MEMORY ARRAY INCLUDING SHARED DEVICE FOR BLOCKING SNEAK PATH CURRENT

摘要

PROBLEM TO BE SOLVED: To prevent such a situation that a sense amplifier can hardly judge the level of a current flowing through a selected cell by blocking sneak path currents flowing through an unselected memory cell in a resistance cross point memory cell array such as an MRAM. SOLUTION: A blocking diode 22 is arranged across a word line 14 and a group in each memory cell group.