SEMICONDUCTOR DEVICE INCLUDING DATA STORAGE PATTERN

A semiconductor device including a data storage pattern is provided. The semiconductor device includes: specific resistivities a first conductive line disposed on a substrate and extending in a first direction; a second conductive line disposed above the first metal wiring; a plurality of variable resistance structures each of which includes a plurality of electrodes and a plurality of variable resistance patterns alternately stacked between the first metal wiring and the second metal wiring, wherein the plurality of variable resistance patterns are formed of a variable resistance material having a same composition, and the plurality of electrodes have different material characteristics such as different specific resistivities.