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A nonvolatile programmable solid-electrolyte nanometer switch

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9 Author(s)
Kaeriyama, S. ; Syst. Devices Res. Labs., NEC Corp., Kanagawa, Japan ; Sakamoto, T. ; Sunamura, H. ; Mizuno, M.
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A reconfigurable LSI employing a nonvolatile nanometer-scale switch, NanoBridge, is proposed, and its basic operations are demonstrated. The switch, composed of solid electrolyte copper sulfide, has a <30-nm contact diameter and <100-Ω on-resistance. Because of its small size, it can be used to create extremely dense field-programmable logic arrays. A 4 × 4 crossbar switch and a 2-input look-up-table circuit are fabricated with 0.18-μm CMOS technology, and operational tests with them have confirmed the switch's potential for use in programmable logic arrays. A 1-kb nonvolatile memory is also presented, and its potential for use as a low-voltage memory device is demonstrated.

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:40 ,  Issue: 1 )

Date of Publication:

Jan. 2005

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