World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
33
Citations
4518
World Ranking
9413
National Ranking
2649

Research.com Recognitions

  • 2009 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1990 - IEEE Fellow For contributions to computer-aided simulation and design of very-large-scale integrated circuits and to engineering education.

Overview

What is he best known for?

The fields of study he is best known for:

  • Electrical engineering
  • Integrated circuit
  • Algorithm

Ibrahim N. Hajj mostly deals with Electronic circuit, Electronic engineering, Very-large-scale integration, CMOS and Algorithm. His Electronic circuit research is multidisciplinary, relying on both Waveform, Asynchronous circuit, Logic gate and Parallel computing. Ibrahim N. Hajj studies Electronic engineering, namely Integrated circuit design.

His Very-large-scale integration study integrates concerns from other disciplines, such as Integrated circuit, Static timing analysis, Voltage drop, Voltage and Circuit reliability. The CMOS study combines topics in areas such as Entropy encoding, Decoding methods, Encoder and Offset. His research integrates issues of Digital electronics and Upper and lower bounds in his study of Algorithm.

His most cited work include:

  • A coding framework for low-power address and data busses (211 citations)
  • Probabilistic simulation for reliability analysis of CMOS VLSI circuits (188 citations)
  • Pattern independent maximum current estimation in power and ground buses of CMOS VLSI circuits: Algorithms, signal correlations, and their resolution (142 citations)

What are the main themes of his work throughout his whole career to date?

Ibrahim N. Hajj focuses on Electronic engineering, Very-large-scale integration, Electronic circuit, CMOS and Algorithm. His studies deal with areas such as Circuit extraction, Transistor and Electrical engineering as well as Electronic engineering. He interconnects Digital electronics, Computer engineering, Reliability, Circuit reliability and Sequential logic in the investigation of issues within Very-large-scale integration.

His study in Electronic circuit is interdisciplinary in nature, drawing from both Integrated circuit, Equivalent circuit, Voltage drop, Voltage and Waveform. His research integrates issues of Probabilistic logic, Inverter, NMOS logic and Electromigration in his study of CMOS. His research in Algorithm focuses on subjects like Upper and lower bounds, which are connected to Entropy, Information theory and Entropy encoding.

He most often published in these fields:

  • Electronic engineering (56.40%)
  • Very-large-scale integration (33.72%)
  • Electronic circuit (33.14%)

What were the highlights of his more recent work (between 1999-2017)?

  • Electronic engineering (56.40%)
  • Integrated circuit design (13.37%)
  • Electronic circuit (33.14%)

In recent papers he was focusing on the following fields of study:

His main research concerns Electronic engineering, Integrated circuit design, Electronic circuit, Very-large-scale integration and Crosstalk. His Electronic engineering research incorporates themes from Time complexity and Equivalent circuit. His work deals with themes such as Voltage and Probabilistic method, which intersect with Integrated circuit design.

Ibrahim N. Hajj has researched Electronic circuit in several fields, including Circuit extraction and Voltage drop. His Very-large-scale integration study incorporates themes from Delay calculation, RC circuit, Static timing analysis, Logic optimization and Decoupling. His study focuses on the intersection of Crosstalk and fields such as Interconnection with connections in the field of Topology, Low-noise amplifier and Microprocessor.

Between 1999 and 2017, his most popular works were:

  • Architectural and compiler techniques for energy reduction in high-performance microprocessors (95 citations)
  • Simulation and optimization of the power distribution network in VLSI circuits (64 citations)
  • Static timing analysis including power supply noise effect on propagation delay in VLSI circuits (58 citations)

In his most recent research, the most cited papers focused on:

  • Electrical engineering
  • Integrated circuit
  • Statistics

His scientific interests lie mostly in Electronic engineering, Logic gate, Electronic circuit, Very-large-scale integration and Integrated circuit design. He has included themes like Transistor, Integrated circuit layout, TC0 and Voltage drop in his Electronic engineering study. His research in Logic gate intersects with topics in NAND logic, CMOS and Voltage swing.

The various areas that Ibrahim N. Hajj examines in his Electronic circuit study include Delay calculation, Static timing analysis and Propagation delay. In his study, Frequency domain, RC circuit, Distribution networks, Topology and Computation is strongly linked to Decoupling, which falls under the umbrella field of Very-large-scale integration. His Integrated circuit design research includes elements of Crosstalk and Interconnection.

Best Publications

  • A coding framework for low-power address and data busses

    S. Ramprasad;N.R. Shanbhag;I.N. Hajj

  • Probabilistic simulation for reliability analysis of CMOS VLSI circuits

    F.N. Najm;R. Burch;P. Yang;I.N. Hajj

  • Pattern independent maximum current estimation in power and ground buses of CMOS VLSI circuits: Algorithms, signal correlations, and their resolution

    H. Kriplani;F.N. Najm;I.N. Hajj

  • Architectural and compiler support for energy reduction in the memory hierarchy of high performance microprocessors

    Nikolaos Bellas Ibrahim Hajj;George Stamoulis;N. Bellas;C. Polychronopoulos

  • Power Estimation in Sequential Circuitsy

    Farid N. Najm;Shashank Goel;Ibrahim N. Hajj

  • Design error diagnosis and correction via test vector simulation

    A. Veneris;I.N. Hajj

  • Analytical estimation of signal transition activity from word-level statistics

    S. Ramprasad;N.R. Shanbha;I.N. Hajj

  • Architectural and compiler techniques for energy reduction in high-performance microprocessors

    N. Bellas;I.N. Hajj;C.D. Polychronopoulos;G. Stamoulis

  • Using dynamic cache management techniques to reduce energy in a high-performance processor

    Nikolaos Bellas;Ibrahim Hajj;Constantine Polychronopoulos

  • Nonlinear circuit theory: Resistive networks

    E.S. Kuh;I.N. Hajj

  • Energy and performance improvements in microprocessor design using a loop cache

    N. Bellas;I. Hajj;C. Polychronopoulos;G. Stamoulis

  • Parallel circuit simulation on supercomputers

    R.A. Saleh;K.A. Gallivan;M.-C. Chang;I.N. Hajj

  • Simulation and optimization of the power distribution network in VLSI circuits

    G. Bai;S. Bobba;I. N. Hajj

  • Maximum leakage power estimation for CMOS circuits

    S. Bobba;I.N. Hajj

  • Static timing analysis including power supply noise effect on propagation delay in VLSI circuits

    Geng Bai;Sudhakar Bobba;Ibrahim N. Hajj

  • Diagnosis and Correction of Logic Design Errors in Digital Circuits

    Pi-Yu Chung;Yi-Min Wang;Ibrahim N. Hajj

  • Maximum current estimation in CMOS circuits

    H. Kriplani;F. Najm;I. Hajj

  • Analysis of Noise Avoidance Techniques in DSM Interconnects Using a Complete Crosstalk Noise Model

    M.R. Becer;D. Blaauw;V. Zolotov;R. Panda

  • Timing and area optimization for standard-cell VLSI circuit design

    Weitong Chuang;S.S. Sapatnekar;I.N. Hajj

  • Information-theoretic bounds on average signal transition activity [VLSI systems]

    S. Ramprasad;N.R. Shanbhag;I.N. Hajj

  • CREST-a current estimator for CMOS circuits

    F. Najm;R. Burch;Ping Yang;I. Hajj

Frequent Co-Authors

Farid N. Najm
Farid N. Najm University of Toronto
Naresh R. Shanbhag
Naresh R. Shanbhag University of Illinois at Urbana-Champaign
David Blaauw
David Blaauw University of Michigan–Ann Arbor
Constantine D. Polychronopoulos
Constantine D. Polychronopoulos University of Illinois at Urbana-Champaign
Sung-Mo Kang
Sung-Mo Kang University of California, Santa Cruz
Vladimir Zolotov
Vladimir Zolotov IBM (United States)
Sachin S. Sapatnekar
Sachin S. Sapatnekar University of Minnesota
Yusuf Leblebici
Yusuf Leblebici École Polytechnique Fédérale de Lausanne
W.K. Fuchs
W.K. Fuchs University of Florida
Peter W. Sauer
Peter W. Sauer University of Illinois at Urbana-Champaign

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