NVLink-C2C: A Coherent Off Package Chip-to-Chip Interconnect with 40Gbps/pin Single-ended Signaling. - Ying Wei; Yi Chieh Huang; Haiming Tang; Nithya Sankaran; Ish Chadha; Dai Dai; Olakanmi Oluwole; Vishnu Balan; Edward Lee (ISSCC, 2023)