A 32Gb/s, 4.7pJ/bit optical link with −11.7dBm sensitivity in 14nm FinFET CMOS

J. Proesel, Z. Deniz, A. Cevrero, I. Ozkaya, Seongwon Kim, D. Kuchta, Sungjae Lee, S. Rylov, H. Ainspan, T. Dickson, J. Bulzacchelli, M. Meghelli
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引用次数: 8

Abstract

This work presents an 850nm VCSEL-based multi-mode 32Gb/s NRZ optical link with circuits in 14nm bulk FinFET CMOS. The TX uses a 3-tap, 1\2-Ul-spaced FFE to improve eye opening. The RX uses a low-BW, low-noise TIA and a speculative 1-tap DFE for high sensitivity. The TX and RX power efficiencies are 3.3 and 1.4pJ/bit, respectively. The link sensitivity is −11.7dBm OMA at BER=10"12 with PRBS31 data.
一个32Gb/s, 4.7pJ/bit,灵敏度为- 11.7dBm的14nm FinFET CMOS光链路
这项工作提出了一个基于850nm vcsel的多模32Gb/s NRZ光链路,电路采用14nm大块FinFET CMOS。TX使用3个抽头,1\2 μ l间距的FFE来改善视野。RX采用低bw,低噪声TIA和投机1抽头DFE高灵敏度。TX和RX的功率效率分别为3.3和1.4pJ/bit。使用PRBS31数据,在BER=10"12时链路灵敏度为- 11.7dBm OMA。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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