Minimum crosstalk channel routing
ICCAD '93 Proceedings of the 1993 IEEE/ACM international conference on Computer-aided design
Layout techniques for minimizing on-chip interconnect self inductance
DAC '98 Proceedings of the 35th annual Design Automation Conference
Simultaneous shield insertion and net ordering for capacitive and inductive coupling minimization
ISPD '00 Proceedings of the 2000 international symposium on Physical design
A compact physical via blockage model
IEEE Transactions on Very Large Scale Integration (VLSI) Systems - Special issue on system-level interconnect prediction
Full-chip, three-dimensional, shapes-based RLC extraction
Proceedings of the 2000 IEEE/ACM international conference on Computer-aided design
A twisted-bundle layout structure for minimizing inductive coupling noise
Proceedings of the 2000 IEEE/ACM international conference on Computer-aided design
ISQED '03 Proceedings of the 4th International Symposium on Quality Electronic Design
Wire Swizzling to Reduce Delay Uncertainty Due to Capacitive Coupling
VLSID '04 Proceedings of the 17th International Conference on VLSI Design
Optimal Algorithm for Minimizing the Number of Twists in an On-Chip Bus
Proceedings of the conference on Design, automation and test in Europe - Volume 2
Determination of worst-case crosstalk noise for non-switching victims in GHz+ interconnects
ASP-DAC '03 Proceedings of the 2003 Asia and South Pacific Design Automation Conference
PRIMA: passive reduced-order interconnect macromodeling algorithm
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Semi-random net reordering for reducing timing variations and improving signal integrity
Microelectronics Journal
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To achieve small delay and low crosstalk for multiple signal nets with capacitive and inductive coupling, we propose in this paper a novel interconnect structure, staggered twisted-bundle wires where groups of twisted wires are staggered. This new structure is different from the previously proposed twisted bundle wires with one group of twisted wires and another group of normal wires. Using accurate circuit models and efficient algorithms to find the worst case noise and delay for comprehensive combinations of signal patterns and a range of arrival times, we assume signal and shielding ratio over 1:1 for area reduction and compare the aforementioned two structures to coplanar shielding for signal nets. The staggered twisted-bundle has the smallest worst case delay, up to 20% and 5% smaller than the coplanar shielding and twisted bundle, respectively. The staggered twisted bundle also has the smallest worst case noise, up to 6% and 12% less than coplanar shielding and twisted bundle. Furthermore, the staggered twisted bundle has the smallest delay/noise variation between signal nets. We conclude that without increasing routing area, the staggered twisted bundle is better than the twisted bundle and coplanar shielding in terms of performance and noise.