💡 Key Technical Topics Covered

  • create_generated_clock Syntax & Master Clock Reference
  • Frequency Divider Clocks (-divide_by)
  • Phase Shifted Clocks (-edge_shift)
  • Inverted Clocks (-invert)

🎯 VLSI Physical Design Interview Questions Addressed

  • Why must you use create_generated_clock instead of create_clock on PLL/Divider outputs?
  • How do you constrain a frequency divider by 4 in SDC?
  • What happens if master clock source pin is incorrect in generated clock constraint?