A 60Gb/s PAM-4 ADC-DSP Transceiver in 7nm CMOS with SNR-Based Adaptive Power Scaling Achieving 6.9pJ/b at 32dB Loss. - Marc-Andre LaCroix; Henry Wong; Yun Hua Liu; Huong Ho; Semyon Lebedev; Petar Krotnev; Dorin Alexandru Nicolescu; Dmitry Petrov; Carlos Carvalho; Stephen Alie; Euhan Chong; Faisal Ahmed Musa; et al. (ISSCC, 2019)