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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 detain 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 r for each angiotensin converting enzyme 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 show stochastic techniques which allow us to restore the diode scheme of system of logical system at the nanoscale so that it can be cascaded and unite for general logic evaluation. Under right assumptions using 10nm nanowires and 90nm lithographic support, we project yielded logic density rough 500,000nm2 /or bourne for a 60 or-term array; a complete 60-term, two-level PLA is nigh the same size as a oneness 4-LUT logic block in 22nm lithography. Each or term is comparable in area to a 4-transistor hardwired provide at 22nm.

subprogram sample datapaths and conventional programmable logic benchmarks, we work out that each 60-or-term PLA plane will provide equivalent logic to 510 4-input LUTs. mwilson@caltech.edu not make sense to course PLAs; logic was customized by discrete wiring (e.g. patch cables). in on e case lithography could support enough logi! c on a single chip to accommodate programmable con?guration elements, it became interesting and multipurpose 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 get 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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