26.1 A 130mW 20Gb/s half-duplex serial link in 28nm CMOS. - Vishnu Balan; Olakanmi Oluwole; Gregory Kodani; Charlie Zhong; Sanjeev Maheswari; Ratnakar Dadi; Arif Amin; Gautam Bhatia; Peter Mills; Ahmed Ragab; Ming-Ju Edward Lee (ISSCC, 2014)