Patent ID: 8271117
Filing Date: 2012-09-18
Classification: H01L

Abstract:
1. A manufacturing system comprising a semiconductor integrated circuit and a manufacturing device, the semiconductor integrated circuit being a semifinished product, the manufacturing device manufacturing a finished product by outputting appropriate configuration information to the semiconductor integrated circuit, wherein the semiconductor integrated circuit includes a programmable circuit and a fixed circuit, and the manufacturing device includes: a storage unit storing a plurality of pieces of candidate configuration information and a plurality of pieces of first voltage information, where the plurality of pieces of candidate configuration information define respective configurations of a plurality of candidate circuits that have the same function but different configurations when configured in the programmable circuit, the plurality of pieces of first voltage information indicating voltage changes that are expected to arise in the programmable circuit when the plurality of candidate circuits operate respectively; an obtaining unit operable to obtain one or more measured values of voltage changes measured in the semiconductor integrated circuit, from the semiconductor integrated circuit which is operating at least partially; a generating unit operable to generate, based on the obtained measured values, second voltage information that indicates a voltage change that arises in the fixed circuit as the fixed circuit operates; a calculating unit operable to obtain, by combining the second voltage information and each of the plurality of pieces of first voltage information for each of the plurality of candidate circuits, third voltage information that indicates a change in a voltage drop value, the voltage drop value being a difference between a designed reference voltage and a voltage that arises in the semiconductor integrated circuit when both the fixed circuit and the programmable circuit operate, and calculate a maximum voltage drop value from the obtained third voltage information; a selecting unit operable to detect one or more candidate circuits corresponding to maximum voltage drop values that are smaller than a threshold value, and select, as output configuration information, one among one or more pieces of candidate configuration information defining configurations of the detected candidate circuits; and an output unit operable to output the selected output configuration information to the semiconductor integrated circuit.