22.1 A 1.1V 16GB 640GB/s HBM2E DRAM with a Data-Bus Window-Extension Technique and a Synergetic On-Die ECC Scheme. - Chi-Sung Oh; Ki Chul Chun; Young-Yong Byun; Yong-Ki Kim; So-Young Kim; Yesin Ryu; Jaewon Park; Sinho Kim; Sang-uhn Cha; Dong-Hak Shin; Jungyu Lee 002; Jong-Pil Son; et al. (ISSCC, 2020)