Reduced Reconfigurable Logic Circuit Design Based on Double Gate CNTFETs Using Ambipolar Binary Decision Diagram

Hiroshi NINOMIYA  Manabu KOBAYASHI  Shigeyoshi WATANABE  

Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E96-A   No.1   pp.356-359
Publication Date: 2013/01/01
Online ISSN: 1745-1337
DOI: 10.1587/transfun.E96.A.356
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Circuit Theory
Keyword: 
reconfigurable logic design,  ambipolar device,  double gate CNTFET,  binary decision diagram,  

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Summary: 
This letter describes the design methodology for reduced reconfigurable logic circuits based on double gate carbon nanotube field effect transistors (DG-CNTFETs) with ambipolar propoerty. Ambipolar Binary Decision Diagram (Am-BDD) which represents the cornerstone for automatic pass transistor logic (PTL) synthesis flows of ambipolar devices was utilized to build DG-CNTFET based n-input reconfigurable cells in the conventional approach. The proposed method can reduce the number of ambipolar devices for 2-inputs reconfigurable cells, incorporating the simple Boolean algebra in the Am-BDD compared with the conventional approach. As a result, the static 2-inputs reconfigurable circuit with 16 logic functions can be synthesized by using 8 DG-CNTFETs although the previous design method needed 12 DG-CNTFETs for the same purpose.