7.6 A 2.06pJ/b 106.25Gb/s PAM-4 Receiver with 3-Tap FFE and 1-Tap Speculative DFE in 28nm CMOS. - Yen-Po Lin; Yun-Cheng Jao; Wu-Hung Hsieh; Pen-Jui Peng (ISSCC, 2025)