P.R. O'Brien

International Energy Research Centre — Ireland

Engineering · Physical Sciences

7h-index560citations11works0.02yr avg
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Research Topics

Low-power high-performance VLSI design(9), VLSI and FPGA Design Techniques(7), VLSI and Analog Circuit Testing(6), 3D IC and TSV technologies(3), Photonic and Optical Devices(1)

Publications11 total

Optical Pitch Transformer Chiplet for Glass Interposer: Concept and Feasibility Study
2025
Overview of advanced optical interconnect technologies, processes, and equipment in co-packaged optics
2025
Modeling the driving-point characteristic of resistive interconnect for accurate delay estimation
2003· 165 cited
Fast on-chip delay estimation for cell-based emitter coupled logic
2003· 10 cited
Modeling the Driving-Point Characteristic of Resistive Interconnect for Accurate Delay Estimation
2003· 213 cited
Efficient on-chip delay estimation for leaky models of multiple-source nets
2002· 20 cited
Realizable reduction for RC interconnect circuits
International Conference on Computer Aided Design·1999· 16 cited
Gradient-based optimization of custom circuits using a static-timing formulation
1999· 91 cited
Gradient-based optimization of custom circuits using a static-timing formulation
Proceedings 1999 Design Automation Conference (Cat. No. 99CH36361)·1999· 39 cited
Fast On-Chip Delay Estimation For Cell-Based Emitter Coupled Logic
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE·1988· 3 cited
Signal Delay in Leaky RC Mesh Models for Bipolar Interconnect
Defense Technical Information Center (DTIC)·1985· 3 cited

Frequent Co-authors

T.L. Savarino(5), John L. Wyatt(3), Ibrahim M. Elfadel(2), W. W. Molzen(2), Philip N. Strenski(2), C. Visweswariah(2), C. B. Whan(2), James M. Pierce(2), Andrew R. Conn(1), Andrew R. Conn(1), Anirudh Devgan(1), How Yuan Hwang(1), Xiuyun He(1), Matthew L Hall(1), Das Soumitra Kumar(1), Xiuyun He(1), Kevin Shortiss(1), Sharon Butler(1), Kamil Gradkowski(1), Padraic E Morrissey(1)