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首页> 美国政府科技报告 >MulCh: A Multi-Layer Channel Router Using One, Two, and Three Layer Partitions.
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MulCh: A Multi-Layer Channel Router Using One, Two, and Three Layer Partitions.

机译：mulCh：使用一层，两层和三层分区的多层通道路由器。

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Multi-layer routing is becoming an important problem in the physical design of integrated circuits as technology evolves towards several layers of metallization. Several channel routers for three layers of interconnect have been proposed, but only one, Chameleon, has been implemented to accept specification of an arbitrary number of layers. Chameleon is based on a strategy of decomposing the multi-layer problem into two and three layer problems in which one of the layers is reserved primarily for vertical wire runs and the other layer(s) for horizontal runs. In some situations, however, it is advantageous to consider also layers that allow the routing of entire nets, using both horizontal and vertical wires. MulCh is a multi-layer channel router that extends the algorithms of Chameleon in this direction. MulCh can route channels with any number of layers and automatically chooses a good assignment of wiring strategies to the different layers. In test cases, MulCh shows a significant improvement over Chameleon in terms of channel width, net length, and number of vias. (rrh)

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