Patent ID: 8450734

Claim:
A semiconductor device, comprising: a semiconductor element having an internal circuit; a switch circuit in the semiconductor element, the switch circuit comprises a first switch circuit and a second switch circuit; a first electrode pad for wafer burn-in in the semiconductor element, the first electrode pad for wafer burn-in electrically disconnected from the internal circuit via the first switch circuit; a second electrode pad for wafer burn-in in the semiconductor element, the second electrode pad for wafer burn-in electrically connected to the internal circuit via the second switch circuit; and a third electrode pad for external connection, the second switch circuit electrically connected to the internal circuit via the third electrode pad for external connection, wherein the switch circuit is set to an ON or OFF position by a nonvolatile memory device that stores information of setting the switch circuit to the ON or OFF position and sets the switch circuit to the ON or OFF position according to the information.