| 摘要 |
There is provided a semiconductor device that is capable of reducing wring density of the wiring pattern on a mounting board on which it is mounted, thereby facilitating routing of the wiring pattern. Pads are formed which are connected to pads on a bare chip by bonding wires. There are formed vias extending from the respective pads to a bottom surface of a package, and vias extending from the respective pads to a top surface of the package. This makes it possible to connect the mounting boards to the top and bottom surfaces of the package, thereby enabling reduction of the wiring density of wiring patterns on the mounting boards, thereby facilitating routing of the wiring patterns on the mounting boards.
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