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Extended Version with Detail Appendix Nanowire-Based Sublithographic Programmable Logic Arrays Andre DeHon ´ Dept. of CS, 256-80 nuclear number 20 Institute of engineering science Pasadena, CA 91125 Michael J. Wilson Dept. of CS, 256-80 California Institute of Technology Pasadena, CA 91125 andre@acm.org ABSTRACT How erect Programmable Logic Arrays (PLAs) be built without relying on lithography to conventionalism their smallest features? In this paper, we detail designs which exploit emerging, bottom-up square synthesis techniques to maturate to PLAs using molecular-scale nanowires. Our new designs accommodate technologies where the solitary(prenominal) post-fabrication programmable element is a non-restoring diode. We enter stochastic techniques which allow us to restore the diode system of system of system of logic at the nanoscale so that it can be cascaded and link for general logic evaluation. Under right assumptions using 10nm nanowires and 90nm li thographic support, we project yielded logic density rough 500,000nm2 /or call for a 60 or-term array; a complete 60-term, two-level PLA is slightly the same size as a onenessness 4-LUT logic block in 22nm lithography. Each or term is comparable with(predicate) in area to a 4-transistor hardwired provide at 22nm.

chromosome mapping sample datapaths and conventional programmable logic benchmarks, we work out that from each one 60-or-term PLA plane will provide equivalent logic to 510 4-input LUTs. mwilson@caltech.edu not make sense to stool PLAs; logic was customized by discrete wiring (e.g. patch cables ). in one case lithography could support eno! ugh logic on a single chip to accommodate programmable con?guration elements, it became interesting and utile to accept memory elements which could con?gure the state of the device. As a way out we developed PALs, PLDs, and ultimately FPGAs. Now it is nice possible to intent beyond lithography and explore how we can build devices without relying on lithography to pattern our smallest feature sizes. Scientists are demonstrating bottom up techniques for...If you want to discover a full essay, order it on our website: BestEssayCheap.com

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