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A 16,000-gate-count optically reconfigurable gate array in a standard 0.35 μm CMOS technology

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2 Author(s)
Watanabe, M. ; Dept. of Syst. Innovation & Informatics, Kyushu Inst. of Technol., Fukuoka, Japan ; Kobayashi, F.

Up to now, we have fabricated 68-gate-count optically reconfigurable gate arrays (ORGA), the reconfiguration period of which has been confirmed as less than 10 ns. As the next step, we have begun development of high-gate-count ORGA. The new ORGA-VLSI chip can achieve a 16000-gate-count through reduction of photodiode size, photodiode spacing, and through introduction of a small optical reconfiguration circuit, that do not exceed the resolution of available optical components. This paper presents the new design of a 16000-gate-count ORGA using a standard 0.35 μm 3-metal CMOS process technology. In addition, photodiode characteristics are extracted from experimental results using an estimation chip and an evaluation of optical reconfiguration circuits using HSPICE simulation.

Published in:

Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on

Date of Conference:

23-26 May 2005