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논문 기본 정보

자료유형
학술저널
저자정보
Min-Kyun Chae (POSTECH) Seung-Jun Bae (Samsung Electronics) Jung-Hwan Choi (Samsung Electronics) Kwang-Il Park (Samsung Electronics) Jung-Bae Lee (Samsung Electronics) Hong-June Park (POSTECH)
저널정보
대한전자공학회 JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE Journal of Semiconductor Technology and Science Vol.21 No.1
발행연도
2021.2
수록면
9 - 20 (12page)
DOI
10.5573/JSTS.2021.21.1.009

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초록· 키워드

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A time-based low-power transceiver is proposed for short-reach PCB interconnect which connects two chips closely placed on a printed circuit board (PCB). This was achieved by reducing the I/O signaling power of transmitter (TX) with the increase of on-die termination (ODT) resistance. The short-reach PCB interconnect is approximated as a single-time-constant RC channel due to the large ODT resistance. The increase of inter-symbol interference (ISI) by the increased R-C time constant of channel was compensated by using a 1-tap infinite-impulse-response (IIR) decision-feedback equalizer (DFE) at receiver (RX). The RX circuit is composed of a cascaded connection of a voltage-to-time converter, an IIR DFE, a FIR DFE and a time comparator. The transceiver chip was implemented in 65 nm CMOS technology; in tests with a 1.6-mm micro-strip line channel the transceiver achieved maximum data-rate of 12 Gb/s at 0.8 V supply and minimum energy efficiency of 0.37 pJ/b at 8 Gb/s and 0.75 V supply.

목차

Abstract
I. INTRODUCTION
II. 1-TAP IIR DFE FOR SHORT-REACH PCB INTERCONNECT
III. OPERATING PRINCIPLE OF TIME-BASED IIR DFE
IV. CIRCUIT IMPLEMENTATION
V. MEASUREMENT RESULTS
VI. CONCLUSIONS
REFERENCES

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