Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Reexamination Certificate
2006-08-29
2006-08-29
Nguyen, Vinh (Department: 2829)
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
C324S763010, C714S726000, C714S733000
Reexamination Certificate
active
07098682
ABSTRACT:
The invention relates to a test method and a test apparatus for a semiconductor integrated circuit device having a high-speed input/output device, and it has for its object to perform the test of the high-speed I/O exceeding 1 GHz, promptly by a simple board construction, without altering a test system for individual I/O specifications. A semiconductor integrated circuit device (1) having a high-speed input/output device (2) is set on a load board (3) which is provided with loopback paths (4) each connecting the external output terminal and external input terminal of the semiconductor integrated circuit device (1) by transmission lines, and the operation of the high-speed input/output device (2) is tested within the semiconductor integrated circuit device (1) by utilizing test means (5) disposed inside the semiconductor integrated circuit device (1), and the loopback paths (4).
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Chan Emily Y
Japan Science and Technology Agency
Nguyen Vinh
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