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A new global routing algorithm for over-the-cell routing in standard cell layouts

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3 Author(s)
Koide, T. ; Fac. of Eng., Hiroshima Univ., Japan ; Wakabayashi, S. ; Yoshida, N.

The authors present a new global routing algorithm for over-the-cell routing in standard cell layout, which determines global routes for each net both in channels and on over-the-cell regions. The goal of the algorithm is to minimize the total channel height in the final lyout. The proposed algorithm is implemented in the C language on a SPARC station 2 and tested with the benchmarks distributed from MCNC, whose cell placements were generated with TimberWolfSC4.2c. Experimental results show that the new routing algorithm reduces the channel height by about 13.1% compared to the conventional routing algorithm

Published in:
Design Automation Conference, 1993, with EURO-VHDL '93. Proceedings EURO-DAC '93., European

Date of Conference: 20-24 Sep 1993

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