[BackEnd Flow] Scan Chains Optimization

[ivlsi]

Hi All,

What is done during Scan Chains Optimization in BackEnd Flow?

What exact optimization is done?

Thank you!

 

[oratie]

Scan re-ordering. During (after) placement, the tool reorder flops in scan chain. Just connect the closest flops togeteher - to reduce scan chain wire length.

 

[kumar_eee]

When you perform Scan-Chain reorder, you will improvement in congestion number, this will help you in routing phase.

 

[meet81193]

Can you describe complete flow for scan chain reordering. In terms of any design compiler. just the basic.