A 112.5Gb/s ADC-DSP-Based PAM-4 Long-Reach Transceiver with >50dB Channel Loss in 5nm FinFET. - Zhendong Guo; Ahmed Mostafa; A. Elshazly; Bo Chen; B. Wang; C. Han; Chenkun Wang; D. Zhou; Davide Visani; Edmund Hsiao; F. Chu; Fei Lu; et al. (ISSCC, 2022)