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POWER EFFICIENT DESIGN OF SRAM ARRAYS AND OPTIMAL DESIGN OF SIGNAL AND POWER DISTRIBUTION NETWORKS IN VLSI CIRCUITS by Behnam Amelifard A Dissertation Presented to the FACULTY OF THE GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree DOCTOR OF PHILOSOPHY (ELECTRICAL ENGINEERING) December 2007 Copyright 2007 Behnam Amelifard
Object Description
Title | Power efficient design of SRAM arrays and optimal design of signal and power distribution networks in VLSI circuits |
Author | Amelifard, Behnam |
Author email | amelifar@usc.edu |
Degree | Doctor of Philosophy |
Document type | Dissertation |
Degree program | Electrical Engineering |
School | Viterbi School of Engineering |
Date defended/completed | 2007-10-11 |
Date submitted | 2007 |
Restricted until | Unrestricted |
Date published | 2007-11-30 |
Advisor (committee chair) | Pedram, Massoud |
Advisor (committee member) |
Draper, Jeffrey T. Nakano, Aiichiro |
Abstract | In today's IC design, one of the key challenges is the increase in power dissipation of the circuit which in turn shortens the service time of battery-powered electronics, reduces the long-term reliability of circuits due to temperature-induced accelerated device and interconnect aging processes, and increases the cooling and packaging costs of these circuits. This dissertation investigates different techniques for low-power design of VLSI circuits. First, power minimization of on-chip caches is investigated. In particular, a technique is proposed to reduce the active power consumption of on-chip caches by utilizing dual threshold voltages and dual oxide thicknesses. Subsequently, a novel gating technique is presented to reduce the standby leakage current in the SRAM arrays. Next, the focus of the dissertation is shifted to power minimization in signal distribution networks. First, a low-power fanout optimization technique is presented which can be utilized to reduce the power dissipation cost of distributing a signal from source to multiple destinations. Subsequently, a methodology is presented for repeater insertion for global buses which enables low-power on-chip communication. Finally, the focus of the dissertation is shifted to power delivery network design for multiple-voltage-domain circuits. First, a technique is presented to optimally select the voltage regulator modules in the power delivery network of a SoC to achieve minimum power loss in the system. Next, a novel technique is described for power delivery network design to enable dynamic voltage scaling in a SoC. |
Keyword | integrated circuits; IVLS; low power design; SRAM |
Language | English |
Part of collection | University of Southern California dissertations and theses |
Publisher (of the original version) | University of Southern California |
Place of publication (of the original version) | Los Angeles, California |
Publisher (of the digital version) | University of Southern California. Libraries |
Type | texts |
Legacy record ID | usctheses-m947 |
Contributing entity | University of Southern California |
Rights | Amelifard, Behnam |
Repository name | Libraries, University of Southern California |
Repository address | Los Angeles, California |
Repository email | cisadmin@lib.usc.edu |
Filename | etd-Amelifard-20071130 |
Archival file | uscthesesreloadpub_Volume29/etd-Amelifard-20071130.pdf |
Description
Title | Page 1 |
Contributing entity | University of Southern California |
Repository email | cisadmin@lib.usc.edu |
Full text | POWER EFFICIENT DESIGN OF SRAM ARRAYS AND OPTIMAL DESIGN OF SIGNAL AND POWER DISTRIBUTION NETWORKS IN VLSI CIRCUITS by Behnam Amelifard A Dissertation Presented to the FACULTY OF THE GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree DOCTOR OF PHILOSOPHY (ELECTRICAL ENGINEERING) December 2007 Copyright 2007 Behnam Amelifard |