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Hi,
During stuck-at testing, what will happen to false and multicycle paths from the functional logic. Will stuck-at testing take them as faults? How does ATPG tool handle false and multicycle paths?
My question is if all the flops in the design are running at same shift clock say 20MHZ. In that case, do I need lockup latch? Lockup latch is used to prevent hold time violations caused by two different clock domains during shifting. In case if the shifting is same clock for all flops, do I...
My design has four clock domains( functional freq coming from PLL 250MHZ, 150MHZ etc), but during the shift mode, all the scan chains use low frequency 20MHZ. In this case, do I need lockup latches since the shift freq is same for all the flops in all domains? Only in the functional mode (at...
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