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Hey there,
It is very common to have "x" during full timing SDF simulation. If your simulation is with postlayout netlist, and +notimingchecks and +delay_mode_zero You need to worried really,, but very little.
Most of the PnR tools will change/optimize the logic in such as way that it will...
Re: P&R of JTAG Cell
Hi,
There are many more things should be taken care while P&R of the JTAG cells. Everyone says that JTAG timing is not very critical, and i dont agree with that one. Most of the board testing people use this JTAG for onboard debug. And there are many chips sitting on...
Re: It seems few know DFT
Hello there,
I can say every chips needs a DfT (Design For Testability), and that helps to deliver these sufficiently tested. Many DFT enginners does not share topics on DFT because most of EDA tools are very powerful, and those tools can take care of most of the...
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