Cadence (IX) 17.4 rules and spacing settings

1. Wiring rules

Open the rules manager

  Set up default Default routing rule minimum line width 6mil

  Next, create a new power routing rule , Set the line width 15mil

 

After go to net Set routing rules in

 

2.NECK Routing

There are some places we can't get through , Set on the thin line neck Options , The set line width and maximum length are generally less than 100mil

Select when routing neck mode Can be opened  

 3. Differential routing related settings

 4. Set up space spacing

Right click the last option to change all parameters

 5. stay net Created in Class Easy to handle , For example, we create power rules class, The three networks will be displayed together

 

 5. Highlight operation

The first button is the highlight button , After clicking ,find Set the one you want to highlight symbol perhaps net that will do

 6. Regional rules

Sometimes the wiring spacing of multiple pins of our chip may not meet the set rules , Then we need to set regional rules

  Then draw a shape, Note that the layer selection and area selection are as follows