8.1 A 224Gb/s DAC-Based PAM-4 Transmitter with 8-Tap FFE in 10nm CMOS. - Jihwan Kim; Sandipan Kundu; Ajay Balankutty; Matthew Beach; Bong Chan Kim; Stephen Kim; Yutao Liu; Savyassachi Keshava Murthy; Priya Wali; Kai Yu 016; Hyung Seok Kim; Chuanchang Liu; et al. (ISSCC, 2021)