Publication

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

Yusuf Leblebici
2016
Journal Articles

Abstract

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.

Official source

https://infoscience.epfl.ch/entities/publication/82cd5ec8-9c00-4f63-b732-3b03eb3f9de1

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Yusuf Leblebici
2016
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/82cd5ec8-9c00-4f63-b732-3b03eb3f9de1

About this result

Related concepts (24)

Clock

A clock or chronometer is a device used to measure and indicate time. The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month, and the year. Devices operating on several physical processes have been used over the millennia. Some predecessors to the modern clock may be considered "clocks" that are based on movement in nature: A sundial shows the time by displaying the position of a shadow on a flat surface.

Crosstalk

In electronics, crosstalk is any phenomenon by which a signal transmitted on one circuit or channel of a transmission system creates an undesired effect in another circuit or channel. Crosstalk is usually caused by undesired capacitive, inductive, or conductive coupling from one circuit or channel to another. Crosstalk is a significant issue in structured cabling, audio electronics, integrated circuit design, wireless communication and other communications systems.

Clock rate

In computing, the clock rate or clock speed typically refers to the frequency at which the clock generator of a processor can generate pulses, which are used to synchronize the operations of its components, and is used as an indicator of the processor's speed. It is measured in the SI unit of frequency hertz (Hz). The clock rate of the first generation of computers was measured in hertz or kilohertz (kHz), the first personal computers (PCs) to arrive throughout the 1970s and 1980s had clock rates measured in megahertz (MHz), and in the 21st century the speed of modern CPUs is commonly advertised in gigahertz (GHz).