Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital logic testing
Reexamination Certificate
2005-09-08
2009-11-17
Ellis, Kevin L (Department: 2117)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital logic testing
C714S025000, C714S047300, C714S048000, C714S055000, C713S500000
Reexamination Certificate
active
07620862
ABSTRACT:
The methods and circuits of the present invention relate to testing integrated circuits. According to one aspect of the invention, a method of testing an integrated circuit is disclosed. The method comprises the steps of coupling test equipment to the integrated circuit; coupling a test equipment clock signal from the test equipment to the integrated circuit, wherein the test equipment clock signal has a first frequency; generating an internal burst clock signal within the integrated circuit based upon the test equipment clock signal, wherein the internal test clock signal has a burst frequency; and testing the integrated circuit using the internal burst clock signal. Other methods and circuits for testing programmable logic devices are also described.
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Brush Robert M.
Ellis Kevin L
King John J.
Merant Guerrier
XILINX Inc.
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