Presentation 1998/7/28
Design of SFQ Logic Circuits Based on Binary Decision Diagram
Nobuyuki Yoshikawa, Hiroshi Tago,
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Abstract(in English) We will propose a design approach to implement single-flux-quantum(SFQ)logic circuits based on a binary decision diagram(BDD).The BDD is a way to represent a logical function by using a directed graph, which is composed of a node having one input(root)and two outputs(branches).It has been proved that any combinational logic can be represented by this basic element.We will show that the BDD is effectively implemented by the SFQ circuit, where the node is replaced with SFQ D_2 flip-flop.Important features of the BDD SFQ logic circuit are simplicity of circuit structure, self-timed nature and high modularity. We have designed BDD SFQ adder and showed that a junction count and latency are smaller than the conventional RSFQ circuits.
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Keyword(in English) SFQ / RSFQ / BDD / adder / logic circuit / superconducting device
Paper # SCE98-21
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Conference Information
Committee SCE
Conference Date 1998/7/28(1days)
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Registration To Superconductive Electronics (SCE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Design of SFQ Logic Circuits Based on Binary Decision Diagram
Sub Title (in English)
Keyword(1) SFQ
Keyword(2) RSFQ
Keyword(3) BDD
Keyword(4) adder
Keyword(5) logic circuit
Keyword(6) superconducting device
1st Author's Name Nobuyuki Yoshikawa
1st Author's Affiliation Faculty of Engineering, Yokohama National University()
2nd Author's Name Hiroshi Tago
2nd Author's Affiliation Faculty of Engineering, Yokohama National University
Date 1998/7/28
Paper # SCE98-21
Volume (vol) vol.98
Number (no) 222
Page pp.pp.-
#Pages 6
Date of Issue