Data processing: measuring – calibrating – or testing – Testing system – Of circuit
Reexamination Certificate
2006-04-11
2006-04-11
Hoff, Marc S. (Department: 2857)
Data processing: measuring, calibrating, or testing
Testing system
Of circuit
C714S725000
Reexamination Certificate
active
07027947
ABSTRACT:
An ATPG unit permits allocation of a don't care X as a state for activating a propagating path of a failure and, after a change in network, transfers the state from the don't care X to an uncontrol value, thereby activating the propagating path of the failure. Further, the ATPG unit supplies a system clock as a sending clock to a sending FF, gives a change to the network from the sending FF, propagates the change, supplies the system clock as a receiving clock to a receiving FF, and captures the network change, thereby propagating a state for detecting a delay failure to a path between the sending FF and the receiving FF and generating a test pattern when the propagation succeeds.
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Arent & Fox PLLC
Charioui Mohamed
Hoff Marc S.
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