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This paper presents a method to tune an arbitrary number of split-gate transistors in series to their threshold voltage, prior to initiating any particular experiment. The model accounts for device variations and considers coupled/uncoupled electrical gates and ballistic/ohmic addition of resistances. Experimental verification of this ‘zeroing method’ is provided by detailed conductance measurements...
In this paper we show that by shrinking MEMS switches to sub-micron thickness and a few microns in lateral dimension, they can be encapsulated in the dielectric spacer between the metallization of a back end CMOS process. By making zero restoring force rocker switches in addition to more traditional cantilever based switches we demonstrate that by coupling several switches together logic functions...
For the first time, we demonstrate stressor contact etch stop liner (sCESL) modulation of parasitics/external resistance in nonplanar devices. We report 17% saturation drive current enhancement in underlap doped cMOS FinFETs attributed to simultaneous lowering of RS/D via biaxial S/D stress and μo increase via effective uniaxial channel stress. Our observations imply that biaxial strain engineering...
A novel, high-efficiency inverter using MOSFETs for all active switches is presented for photovoltaic, non-isolated, AC module applications. The proposed H6-type configuration features high efficiency over a wide load range, low ground leakage current, no need for split capacitors, and low output AC-current distortion. The detailed power stage operating principles, PWM scheme, and novel bootstrap...
Tycho was conceived in 2003 in response to a need by the GridRM [1] resource-monitoring project for a ldquolight-weightrdquo, scalable and easy to use wide-area distributed registry and messaging system. Since Tycho's first release in 2006 a number of modifications have been made to the system to make it easier to use and more flexible. Since its inception, Tycho has been utilised across a number...
The challenges of device scaling and short channel effects have necessitated the close examination of 3 dimensional processing. While this certainly comes with challenges in processing and metrology, it also comes with opportunities for new device paradigms and analysis methods. We will look at an historical perspective of 3D processing and further examine how to accurately ldquothinkrdquo 3D to achieve...
Resource monitoring in distributed systems is required to understand the 'health' of the overall system and to help identify particular problems, such as dysfunctional hardware, a faulty system or application software. Desirable characteristics for monitoring systems are the ability to connect to any number of different types of monitoring agents and to provide different views of the system, based...
A methodology is presented for synthesis of area-efficient, high-performance VLSI modules for vector and matrix multiplication. Three fundamental computational elements are employed in the composition of these architectures: memory register, multiplexer (1-from-2 data selecter), and carry-save add-shift computer. Two's complement serial/parallel carry-save accumulation provides performance, while...
Current silicon compilers are useful to integrated systems designers who wish to produce working silicon in short timescales. However users are restricted by the technological and functional limitations of the underlying hardware library. Progress is reported in a structural silicon compiler, SECOND, which is intended to impart functional flexibility and process-portability to cell-libraries. Through...
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