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Scannable system with addressable scan reset groups










Image Number 2 for United States Patent #5271019.

A set of scan latches is partitioned into unique groups where each group is addressable by a group initializing circuit. The group initializing circuit initializes all the latches of an addressed group to a predefined state thereby quickly loading a test vector into the addressed group of scan latches while leaving other latches undisturbed.








 
 
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