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Detail routing

A platform to discuss about automatic place and route, tools, flows, methodologies involved in achieving timing closure...
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Detail routing

Postby energeticdin on Tue Dec 04, 2007 5:03 pm

Hi all

What is the difference between Global Routing and Detail Routing?

Explain them clearly....




Thanks in advance
energeticdin
 
Posts: 1
Joined: Tue Dec 04, 2007 5:02 pm
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Postby chetanbs on Tue Jun 10, 2008 4:45 pm

Global routing is focused on resolving congestion and timing issues. Global routing creates net segments and defines the initial bucket-level routing topologies. The topologies include a layer assignment for each segment of each net. Each net segment is a total contiguous length of interconnect on a given layer.

Detailed routing:
• Analyzes the net-segment topologies
• Converts the segments to actual wires and vias that connect all pins of all nets
• Begins the process of correcting technology rule violations
chetanbs
 
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Joined: Wed Oct 10, 2007 12:50 pm
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