A 4×9 Gb/s 1 pJ/b Hybrid NRZ/Multi-Tone I/O with Crosstalk and ISI Reduction for Dense Interconnects

A low-power 4-channel hybrid NRZ/multi-tone transceiver for multi-drop bus (MDB) memory interfaces is designed and fabricated in 40 nm CMOS technology. The proposed system achieves 1 pJ/bit power efficiency, while communicating over an MDB channel with 45 dB loss at 3 GHz. The multi-tone (MT) nature of the proposed transceiver helps to control the intersymbol interference (ISI) and reduce the far-end crosstalk (FEXT), which results in a very energy-efficient implementation. The core size area is 80 x 60 um2 and 130 x60 um2 for the TX and RX blocks (including the clock unit), respectively.


Published in:
IEEE Journal of Solid State Circuits (JSSC), 51, 4
Year:
2016
Publisher:
Piscataway, Ieee-Inst Electrical Electronics Engineers Inc
Keywords:
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 Record created 2015-11-16, last modified 2018-03-17

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