Patent ID: 7623984
Filing Date: 2009-11-24
Classification: G01R,G06F

Abstract:
1. A test apparatus for testing a device under test, comprising: first and second period generators that respectively generate test period signals indicating test periods for testing the device under test; a plurality of input/output sections that are provided in correspondence with a plurality of terminals of the device under test, each of the plurality of input/output sections, in accordance with a test period signal supplied thereto, outputting a test signal to a corresponding one of the plurality of terminals and receiving an output signal output from the corresponding terminal; a plurality of selecting sections that are provided in correspondence with the plurality of input/output sections, each of the plurality of selecting sections selecting one of the test period signals generated by the first and second period generators to be supplied to a corresponding one of the plurality of input/output sections; and a third period generator that generates a period equal to a least common multiple of the test periods generated by the first and second period generators, wherein