Publication

10.3 A 7.5mW 7.5Gb/s Mixed NRZ/Multi-Tone Serial Data Transceiver for Multi-Drop Memory Interfaces in 40nm CMOS

Yusuf Leblebici
2015
Conference Papers

Abstract

Advancements in CMOS technology have enabled exponential growth of computational power. However, data processing efficiency also relies on sufficient data communication bandwidth between different units of a computing system. Memory systems typically apply dual in-line memory modules (DIMMs) because of their high capacity and low cost. However, the multi-drop bus (MDB) interface between these units and the controller is challenging for bandwidth and power reasons. Multi-tone signaling has promising characteristics for this type of interface. To keep up with the ever growing demand for higher bandwidth in multi-drop buses, we develop a 7.5Gb/s (3.75Gb/s/pin) NRZ/multi-tone (NRZ/MT) transceiver with a total link power efficiency of 1mW/Gb/s.

Official source

https://infoscience.epfl.ch/entities/publication/1d09110b-7246-4be6-8cbb-ecfaa3e68435

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Yusuf Leblebici
2015
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/1d09110b-7246-4be6-8cbb-ecfaa3e68435

About this result

Related concepts (31)

Bandwidth management

Bandwidth management is the process of measuring and controlling the communications (traffic, packets) on a network link, to avoid filling the link to capacity or overfilling the link, which would result in network congestion and poor performance of the network. Bandwidth is described by bit rate and measured in units of bits per second (bit/s) or bytes per second (B/s).

CMOS

Complementary metal–oxide–semiconductor (CMOS, pronounced "sea-moss", siːmɑːs, -ɒs) is a type of metal–oxide–semiconductor field-effect transistor (MOSFET) fabrication process that uses complementary and symmetrical pairs of p-type and n-type MOSFETs for logic functions. CMOS technology is used for constructing integrated circuit (IC) chips, including microprocessors, microcontrollers, memory chips (including CMOS BIOS), and other digital logic circuits.

Multi-frequency signaling

In telephony, multi-frequency signaling (MF) is a type of signaling that was introduced by the Bell System after World War II. It uses a combination of audible tones for address (telephone number) transport and supervision signaling on trunk lines between central offices. The signaling is sent in-band over the same channel as the bearer channel used for voice traffic. Multi-frequency signaling defines electronic signals that consist of a combination of two audible frequencies, usually selected from a set of six frequencies.