Electrical impact of line-edge roughness on sub-45-nm node standard cells

Y Ban, S Sundareswaran… - Journal of Micro …, 2010 - spiedigitallibrary.org
Since line-end roughness (LER) has been reported to be of the order of several nanometers
and to not decrease as the device shrinks, it has evolved as a critical problem in sub-45-nm …

DRE: A framework for early co-evaluation of design rules, technology choices, and layout methodologies

RS Ghaida, P Gupta - … on Computer-Aided Design of Integrated …, 2012 - ieeexplore.ieee.org
Design rules have been the primary contract between technology developers and designers
and are likely to remain so to preserve abstractions and productivity. While current …

Electrical impact of line-edge roughness on sub-45nm node standard cell

Y Ban, S Sundareswaran, R Panda… - … -Process Integration III, 2009 - spiedigitallibrary.org
As the transistors are scaled down, undesirable performance mismatch in identically
designed transistors increases and hence causes greater impact on circuit performance and …

A framework for early and systematic evaluation of design rules

RS Ghaida, P Gupta - Proceedings of the 2009 International Conference …, 2009 - dl.acm.org
Design rules have been the primary contract between technology and design and are likely
to remain so to preserve abstractions and productivity. While current approaches for defining …

Electrical modeling of lithographic imperfections

TB Chan, RS Ghaida, P Gupta - 2010 23rd International …, 2010 - ieeexplore.ieee.org
Lithographic wavelength of 193 nm has been used for past few generations of patterning
and is likely to remain in use for next few technology generations (at least till 28 nm …

Total sensitivity based DFM optimization of standard library cells

Y Ban, S Sundareswaran, DZ Pan - Proceedings of the 19th international …, 2010 - dl.acm.org
Standard cells are fundamental circuit building blocks designed at very early design stages.
Nanometer standard cells are prone to lithography proximity and process variations. How to …

On electrical modeling of imperfect diffusion patterning

TB Chan, P Gupta - 2010 23rd International Conference on …, 2010 - ieeexplore.ieee.org
Imperfect lithographic patterning leads to nonrectangular polysilicon and diffusion layers.
Though electrical modeling of polysilicon rounding has received much attention, same is not …

Shaping gate channels for improved devices

P Gupta, AB Kahng, Y Kim, S Shah… - … -Process Integration II, 2008 - spiedigitallibrary.org
With the increased need for low power applications, designers are being forced to employ
circuit optimization methods that make tradeoffs between performance and power. In this …

Electrical assessment of lithographic gate line-end patterning

P Gupta, K Jeong, AB Kahng… - Journal of Micro …, 2010 - spiedigitallibrary.org
Line-end pullback is a major source of patterning problems in low-k 1 lithography.
Lithographers have been well-served by geometric metrics such as critical dimension (CD) …

Transistor layout optimization for leakage saving

M Ryu, Y Kang, Y Kim - 2013 International SoC Design …, 2013 - ieeexplore.ieee.org
In this paper, we investigate electrical effects of transistor layout shape (both in the channel
and diffusion) on the performance and leakage current. Through layout optimization …