发明名称 IC TEST DEVICE AND IC TEST METHOD
摘要 PROBLEM TO BE SOLVED: To provide an IC test device and an IC test method which can shorten a processing period of time by shortening intervals of function tests performing several times. SOLUTION: The test device is equipped with: a tester unit for performing a test of cells with respect to a plurality of devices to be tested; and a plurality of redundancy units 60 respectively including a fail memory 61, buffer memory 62, redundancy CPU 60. The tester unit performs the test of the device to be tested and stores fail data in the respective fail memories 61 of the plurality of redundancy units 60 through a main bus 55, and a redundancy CPU 63 copies the fail data from the fail memory 61 to the buffer memory 62 through a local bus 66 and performs a redundancy operation in accordance with the fail data stored in the buffer memory 62. COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2008192227(A) 申请公布日期 2008.08.21
申请号 JP20070025037 申请日期 2007.02.05
申请人 YOKOGAWA ELECTRIC CORP 发明人 HANABUSA TAKUMI
分类号 G11C29/44;G01R31/28;G11C29/04 主分类号 G11C29/44
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