LSI test program protection method and LSI test method

Details LSI test program protection method and LSI test method LSI test program protection method and LSI test method

2005-12-06

2005-12-06

Nghiem, Michael (Department: 2863)

Data processing: measuring, calibrating, or testing

Testing system

Including program set up

C702S182000, C714S025000

Reexamination Certificate

active

06973408

ABSTRACT:
In a method for protecting a test program, a source file is translated using a primary key owned by a program provider to create a distribution file and a secondary key so that an object file of the test program can be created only when the distribution file and the secondary key are used. Further, in an LSI test method, a test pattern is created from a source file and a scramble format, to decide whether a signal, sent from an LSI, of response to the test pattern is right or wrong based on a test plan.

REFERENCES:
patent: 5286962 (1994-02-01), Fujioka et al.
patent: 6397353 (2002-05-01), Orlidge et al.
patent: 6449741 (2002-09-01), Organ et al.
patent: 6601203 (2003-07-01), Asano et al.
patent: 6725407 (2004-04-01), Richter et al.
patent: 2001-052134 (2001-02-01), None
patent: 2001-306528 (2001-11-01), None

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