A 4-Gb/s/pin current mode 4-level simultaneous bidirectional I/O with current mismatch calibration.

Yong Sin Kim Sangho Shin Sung-Mo Kang A 4-Gb/s/pin current mode 4-level simultaneous bidirectional I/O with current mismatch calibration. 2006 conf/iscas/2006 ISCAS http://dx.doi.org/10.1109/ISCAS.2006.1692758 db/conf/iscas/iscas2006.html#KimSK06