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20th International Conference on VLSI Design held jointly with 6th International Conference on Embedded Systems (VLSID'07)
Delay-Balanced Smart Repeaters for On-Chip Global Signaling
Bangalore, India
January 06-January 10
ISBN: 0-7695-2762-0
Roshan Weerasekera, KTH School for Information and Communication Technology, Sweden
Dinesh Pamunuwa, Lancaster University, Lancaster LA1 4YR, United Kingdom
Li-Rong Zheng, KTH School for Information and Communication Technology, Sweden
Hannu Tenhunen, KTH School for Information and Communication Technology, Sweden
In this paper we propose a smart driver, whose drive strength is dynamically altered depending on the relative bit pattern, by partitioning it into a Main Driver and Assistant Driver. For a higher effective load capacitance both drivers switch, while for a lower effective capacitance the assistant driver is quiet. It is shown that in an UMC 0.18?m technology the potential peak power saving, for typical global wire lengths, can be as much 18% with a 12% jitter reduction over a traditional repeater for a data rate of 1Gb/s.
Citation:
Roshan Weerasekera, Dinesh Pamunuwa, Li-Rong Zheng, Hannu Tenhunen, "Delay-Balanced Smart Repeaters for On-Chip Global Signaling," vlsid, pp.308-313, 20th International Conference on VLSI Design held jointly with 6th International Conference on Embedded Systems (VLSID'07), 2007
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