Search Results - "Kameda, Yoshio"

Gate-oxide early-life failure identification using delay shifts by Young Moon Kim, Tze Wee Chen, Kameda, Yoshio, Mizuno, Masayuki, Mitra, Subhasish

“…This paper presents experimental data from digital circuits on 90nm test chips, together with circuit simulations, to establish the following results: 1. The…”
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A Large-Scale Packet Switch System and 60-Gbps Pulse Arbitration Circuit Operation Using Single Flux Quantum Technology by Yorozu, Shinichi, Kameda, Yoshio, Tahara, Shuichi

“…We evaluate the performance of a single flux quantum (SFQ) circuit and discuss its possible system-level application. First, we describe an…”
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eAIEDF: Extended AI Error Diagnosis Flowchart for Automatically Identifying Misprediction Causes in Production Models by Sakuma, Keita, Matsuno, Ryuta, Kameda, Yoshio

“…MLOps, addressing operational issues in machine learning, has gained attention for enhancing the performance of production models. A core challenge is…”
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A Method of Identifying Causes of Prediction Errors to Accelerate MLOps by Sakuma, Keita, Matsuno, Ryuta, Kameda, Yoshio

“…MLOps, techniques for solving operational problems in machine learning, have attracted attention in recent years. In MLOps, understanding why mispredictions…”
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A New Design Methodology for Single-Flux-Quantum (SFQ) Logic Circuits Using Passive-Transmission-Line (PTL) Wiring by Kameda, Y.., Yorozu, S.., Hashimoto, Y..

“…The introduction of passive-transmission-line (PTL) wiring to large-scale SFQ logic circuits offers several advantages over traditional…”
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Method for detailed evaluation of yield of Nb Josephson junctions by Hinode, Kenji, Hashimoto, Yoshihito, Kameda, Yoshio, Satoh, Tetsuro, Yorozu, Shinichi, Nagasawa, Shuichi, Hidaka, Mutsuo

“…We have developed a method for evaluating Ic (critical current) spreading and yield of Nb Josephson junctions (JJ) through detailed current–voltage (I–V)…”
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Implementation and Experimental Evaluation of a Cryocooled System Prototype for High-Throughput SFQ Digital Applications by Hashimoto, Y.., Yorozu, S.., Miyazaki, T.., Kameda, Y.., Suzuki, H.., Yoshikawa, N..

“…We report on development of a cryocooled system prototype for high-throughput single flux quantum (SFQ) digital applications. The system was designed to have…”
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Investigation of magnetic flux state in Nb SFQ circuits by scanning SQUID microscope by Suzuki, Koji, Yorozu, Shinichi, Kameda, Yoshio, Tanabe, Keiichi

“…Single flux quantum (SFQ) 2×2 switch circuits having superconducting ground planes were prepared by the Nb standard process and CONNECT cell library, where…”
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Large-Scale SFQ Switches Using Miniaturized 2 × 2 Switch Cell by NAKAGAWA, Takahiro, HASHIMOTO, Yoshihito, KAMEDA, Yoshio, YOROZU, Shinichi, HIDAKA, Mutsuo, MIYAHARA, Kazunori

“…The 40-GHz operation of the 4times4 switch was confirmed with a bias margin of plusmn4% by an on-chip test…”
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The effects of DC bias current in large-scale SFQ circuits by Terai, H., Kameda, Y., Yorozu, S., Fujimaki, A., Zhen Wang

“…The supply of bias current is one of the key problems to be overcome for fully operational large-scale SFQ circuits. Large currents cause various undesirable…”
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Implementation of a 4 × 4 switch with passive interconnects by HASHIMOTO, Yoshihito, YOROZU, Shinichi, KAMEDA, Yoshio, FUJIMAKI, Akira, TERAI, Hirotaka, YOSHIKAWA, Nobuyuki

“…We designed and fabricated a 4 4 switch in which all interconnections were implemented using passive transmission lines (PTLs). The switch consisted of four…”
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A design approach to passive interconnects for single flux quantum logic circuits by Hashimoto, Y., Yorozu, S., Kameda, Y., Semenov, V.K.

“…We developed a design approach for interface circuits to connect Single Flux Quantum (SFQ) cells by using passive transmission lines (PTL's). In the approach,…”
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Single-flux-quantum (SFQ) circuit design and test of crossbar switch scheduler by Kameda, Y., Yorozu, S., Hashimoto, Y., Terai, H., Fujimaki, A., Yoshikawa, N.

“…A single-flux-quantum (SFQ) device provides fast operation with low power consumption. As SFQ devices can be applied in network switches requiring high…”
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Experimental study of gate oxide early-life failures by Tze Wee Chen, Young Moon Kim, Kyunglok Kim, Kameda, Y., Mizuno, M., Mitra, S.

“…Large-scale experimental data from 90 nm test chips consisting of 49,152 transistors, and experiments on 90 nm test chips containing inverter chains are used…”
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Automatic Josephson-transmission-line routing for single-flux-quantum cell-based logic circuits by Kameda, Y., Yorozu, S.

“…In single-flux-quantum (SFQ) circuits, the delay produced by the Josephson transmission line (JTL) is comparable with or larger than the one produced by the…”
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Design and investigation of gate-to-gate passive interconnections for SFQ logic circuits by Hashimoto, Y., Yorozu, S., Kameda, Y., Fujimaki, A., Terai, H., Yoshikawa, N.

“…We have developed a method of designing single-flux-quantum (SFQ) logic circuits with passive gate-to-gate interconnections. Based on our method, we designed a…”
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High-Speed Operation of a Single-Flux-Quantum (SFQ) Cross/Bar Switch up to 35 GHz by Kameda, Yoshio, Yorozu, Shinichi, Terai, Hirotaka, Fujimaki, Akira

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Investigation of magnetic flux state in Nb SFQ circuits by scanning SQUID microscope by SUZUKI, Koji, YOROZU, Shinichi, KAMEDA, Yoshio, TANABE, Keiichi

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High-speed demonstration of single-flux-quantum cross-bar switch up to 50 GHz by Kameda, Y., Yorozu, S., Hashimoto, Y., Terai, H., Fujimaki, A., Yoshikawa, N.

“…We have been developing a single-flux-quantum (SFQ) cross-bar switch, which is a main component of a network packet switch. We think that a network switch is…”
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Tunable duplex LSIs achieved by multiple phase-modulated clocks capable of predicting delay-increase and -decrease faults by Kameda, Yoshio, Mizuno, Masayuki

“…Predicting faults, in addition to detecting them, is becoming important to prevent critical errors before they actually occur in highly reliable systems. We…”
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