A 64-Gb/s Reference-Less PAM4 CDR with Asymmetrical Linear Phase Detector Soring 231.5-fsrms Clock Jitter and 0.21-pJ/bit Energy Efficiency in 40-nm CMOS

Zhao Zhang, Zhaoyu Zhang, Yong Chen, Nan Qi, Jian Liu, Nanjian Wu, Liyuan Liu. A 64-Gb/s Reference-Less PAM4 CDR with Asymmetrical Linear Phase Detector Soring 231.5-fsrms Clock Jitter and 0.21-pJ/bit Energy Efficiency in 40-nm CMOS. In 2023 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits), Kyoto, Japan, June 11-16, 2023. pages 1-2, IEEE, 2023. [doi]

Abstract

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