SDC Constraints • Chapter 05

Chapter 05: I/O and Port Delays

set_input_delay, set_output_delay, max/min port delays, system synchronous interface timing, and driving cell constraints.

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Authored by VLSI Veteran (9+ Years Experience)

Practical physical design signoff insights, real Primetime flows, and interview preparation.

💡 Key Technical Topics Covered

set_input_delay -max and -min Syntax
set_output_delay -max and -min Syntax
set_driving_cell & set_load Constraints
System Synchronous Board Trace Delay Calculation

🎯 VLSI Physical Design Interview Questions Addressed

How do you calculate set_input_delay for max setup and min hold?
Why must you specify set_driving_cell on input ports?
What is the impact of set_load on output port delay calculation?

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