LSI design flow and EDA

Which step at the start of place and route decides the rough placement of large circuit blocks, I/O pins, power wiring and the like?

  1. AFloorplanning
  2. BClock tree synthesis
  3. CDRC
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Answer: A. Floorplanning

Floorplanning decides chip size, the positions of large blocks such as memories, the placement of I/O pins, the framework of the power network and so on. Decisions at this stage greatly affect routing congestion, timing and power, so it is an important design step.

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