Clock Reconvergence Pessimism Removal (CRPR) | STA
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2 жыл бұрынIn this video, the concept of CRPR has been discussed.
Clock reconvergence pessimism removal is one of the advanced technique used to carry out STA with high accuracy.
This technique is used to remove the pessimism that exists because of derating.
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@arunprabu7769 Жыл бұрын
Nicely presentation!!
@vijayjayavel2511 2 жыл бұрын
Thqu soo much for this worth video.
@VishalYadavYouthMotivator 2 жыл бұрын
Crystal clear concept sir 🙂 Thanks for such a great content 😍
@jairamgouda 2 жыл бұрын
Thank you 😊
@cnuvasu86 Жыл бұрын
Hi Jairam, The concept you have explained is CPPR [Common Path Pessimism Removal] not CRPR [Clock Reconvergence Pessimism Removal ]. In CRPR we will remove pessimism in the clock reconvergent path .
@malteshbannihalli4942 Жыл бұрын
Exactly.
@sanjanamittapalli9394 Жыл бұрын
hi , i understood the concept well. But would like to know like how that pessimism value is added in RT for s setup and hold. What i have seen in PT tool is for hold the difference is minus from RT ...not able to find for setup , how this pessimism value is calculated.. could you help on this ?
@arunprabu7769 Жыл бұрын
For setup, it will be the "time difference at common point" minus "crosstalk component in the common clock path". For hold (full-cycle), xtalk component in common clock path gets cancelled out.
@vijayjayavel2511 2 жыл бұрын
Pls.. could you tell about GBA vs PBA and which one have to do first
@jairamgouda 2 жыл бұрын
GBA happens firstor in earlier stages of the design. And PBA is used at the later signoff stages. GBA is pessimistic compare to PBA. So, PBA has highest accuracy but costs more runtime.
@vijayjayavel2511 2 жыл бұрын
@@jairamgouda thqu soo much
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