Presentation 2008-10-30
Design of SFQ circuits using logic cells directly connectable to PTLs
Hidetoshi SUZUKI, Hiroshi HARA, Yuki YAMANASHI, Nobuyuki YOSHIKAWA,
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Abstract(in English) In the design of SFQ circuits, two types of circuit elements are used for the interconnection of the circuits: one is Josephson transmission lines (JTL) and the other is passive transmission lines (PTL). JTL is used mainly for the gate-to-gate interconnection, whereas PTL is used for block-to-block interconnection in SFQ circuit design. In order to decrease the propagation delay and the power consumption of circuits and to increase the design flexibility, the extensive use of PTL even in the gate-to-gate interconnection is demanded. In this study, we propose a design approach based on gate-to-gate PTL wiring, where each logic cells can be directly connected to PTL. We made a new cell library. By using the new cell library, we designed a full adder, and confirmed its correct operations.
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Keyword(in English) SFQ / PTL / interconnection / half adder / SFQ circuits
Paper # SCE2008-25
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Conference Information
Committee SCE
Conference Date 2008/10/23(1days)
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Paper Information
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 circuits using logic cells directly connectable to PTLs
Sub Title (in English)
Keyword(1) SFQ
Keyword(2) PTL
Keyword(3) interconnection
Keyword(4) half adder
Keyword(5) SFQ circuits
1st Author's Name Hidetoshi SUZUKI
1st Author's Affiliation Department of Electrical and Computer Engineering, Yokohama National University()
2nd Author's Name Hiroshi HARA
2nd Author's Affiliation Department of Electrical and Computer Engineering, Yokohama National University
3rd Author's Name Yuki YAMANASHI
3rd Author's Affiliation Department of Electrical and Computer Engineering, Yokohama National University
4th Author's Name Nobuyuki YOSHIKAWA
4th Author's Affiliation Department of Electrical and Computer Engineering, Yokohama National University
Date 2008-10-30
Paper # SCE2008-25
Volume (vol) vol.108
Number (no) 268
Page pp.pp.-
#Pages 5
Date of Issue