A 0.69-pJ/bit 16/24/32-Gb/s/pin NRZ/PAM-3/PAM-4 Multi-Mode Transmitter with Power-Optimal Rx Termination and Clock-Embedded DBI. - Chengrui Gu; Dingguo Zhang; Chao Yang; Jing Jin 005; Howard C. Yang; Jianjun Zhou 002 (ISCAS, 2026)