一种28.3 Gb/s 7.3 pJ/bit的28 nm CMOS眼采样相位自适应35 dB背板收发器

H. Miyaoka, Futoshi Terasawa, M. Kudo, H. Kano, A. Matsuda, N. Shirai, S. Kawai, T. Shibasaki, Takumi Danjo, Yuuki Ogata, Yasufumi Sakai, H. Yamaguchi, Toshihiko Mori, Y. Koyanagi, H. Tamura, Yutaka Ide, Kazuhiro Terashima, H. Higashi, Tomokazu Higuchi, N. Naka
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引用次数: 3

摘要

提出了一种具有35db信道损耗均衡的28.3 Gb/s收发器。发射机部署3分路前馈均衡器(FFE)。驱动器采用低压差分信号(LVDS)和源串联端接(SST)驱动器的混合架构,实现了低功耗和输出信号幅度微调。该接收机由连续时间线性均衡器(CTLE)和2抽头环展开决策反馈均衡器(DFE)组成。该方法在眼缘处不施加DFE,节省了功耗,并通过自适应采样时钟相位调整能力增加了眼缘。收发器由一个锁相环和四个通道组成,占地1.67 mm2,功耗829 mW (7.3 pJ/bit)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A 28.3 Gb/s 7.3 pJ/bit 35 dB backplane transceiver with eye sampling phase adaptation in 28 nm CMOS
28.3 Gb/s transceiver with 35 dB channel loss equalization is presented. The transmitter deploys 3-tap feed forward equalizer (FFE). The driver employs the hybrid architecture of low voltage differential signaling (LVDS) and source-series-terminated (SST) driver which enables the low power consumption and output signal amplitude fine tune. The receiver comprised with continuous time linear equalizer (CTLE) and 2-tap loop unrolled decision feedback equalizer (DFE). It saves the power consumption by not applying DFE at the eye edge, and increases the eye margin with adaptive sampling clock phase adjustment capability. The transceiver is composed of one PLL and four lanes, occupies 1.67 mm2 and consumes 829 mW (7.3 pJ/bit).
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