| 摘要 |
A test system for circuits which is capable of selecting any one of a plurality of circuits to be tested and testing a selected circuit to be tested, includes a tested circuit data producing unit which produces tested circuit data concerning any one of several circuits to be tested; and a control unit which controls a plurality of programmable gate arrays (PGAs) on the basis of an output of the tested circuit data producing unit. Furthermore, the test system for circuits includes a plurality of PGAs each of which is connected to the control unit and generates a test pattern in response to control data sent from the control unit according to a program; and interface units which are associated with the plurality of PGAS, respectively, and are connected to the circuits to be tested.
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