Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Timothy O. Dickson and Herschel A. Ainspan and Mounir Meghelli,6.5 A 1.8pJ/b 56Gb/s PAM-4 transmitter with fractionally spaced FFE in 14nm CMOS,2017 IEEE International Solid-State Circuits Conference (ISSCC),,IEEE,2017-02,,,118-119,https://cir.nii.ac.jp/crid/1363670320550716800,https://doi.org/10.1109/isscc.2017.7870289