There are several ways to fix the transition time violations.
1) Increase the driver size.
2) Break the nets in the case of long nets.
3) Break the large fanout by duplicating drivers or with buffering.
4) Change the VT if option available(changing drivers from hvt to svt or lvt).
5) Reduce the load by downsizing the cells(special cases) after the looking the timing impact on the design.
6) Change the Load to hvt because hvt has higher lib limit.
1) Increase the driver size.
2) Break the nets in the case of long nets.
3) Break the large fanout by duplicating drivers or with buffering.
4) Change the VT if option available(changing drivers from hvt to svt or lvt).
5) Reduce the load by downsizing the cells(special cases) after the looking the timing impact on the design.
6) Change the Load to hvt because hvt has higher lib limit.
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