Various embodiments of the present disclosure include a non-volatile memory semiconductor device and a device that uses the same, the semiconductor device including a first semiconductor chip disposed on a substrate, a first sealing resin sealing the first semiconductor chip, a built-in semiconductor device disposed on the first sealing resin, and a second sealing resin sealing the first sealing resin and the built-in semiconductor device and covering a side surface of the substrate. According to an aspect of the present disclosure, it is possible to provide a high-quality semiconductor device, in which downsizing and cost reduction can be realized.