Can Scan shift frequency be faster than capture frequency?

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harry3107

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Hi,

In ATPG, can we run scan shift little faster when compared to capture? (Consider I'm not doing at-speed testing).

Can we save some tester time here?
 

it's really dependent of your design, I means, a design with huge combinational logic, could have a lowest speed than the pad shift in/out, the pad sees very "high" capacitance which limit the shift speed.
 

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