A 32-Gb/s Dual-Mode Transceiver With One-Tap FIR and Two-Tap IIR RX Only Equalization in 65-nm CMOS Technology
- Authors
- Song, Junyoung; Hwang, Sewook; Kim, Chulwoo
- Issue Date
- 8월-2021
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Decision feedback equalizer (DFE); dual-mode operation; equalization; transceiver; wireline interface
- Citation
- IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS, v.29, no.8, pp.1567 - 1574
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS
- Volume
- 29
- Number
- 8
- Start Page
- 1567
- End Page
- 1574
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/137066
- DOI
- 10.1109/TVLSI.2021.3086325
- ISSN
- 1063-8210
- Abstract
- This article presents an receiver (RX) only equalization (ROE) technique that eliminates feed-forward equalization (FFE) in transmitter (TX) and bandwidth improved output driver without increment of power consumption. With a help of the proposed design technique, the power consumption, circuit complexity, and design cost are improved. The proposed RX with one-tap finite-impulse response (FIR) and second-tap IIR decision feedback equalizer (DFE) removes the FFE equalization in TX by moving the sampling point of main cursor in the received data. A simpler TX architecture with nMOS only output driver (NOD) owing to the ROE facilitates a wide bandwidth and energy efficient dual-mode ( differential and single-ended) operation. The proposed transceiver was fabricated in a 65-nm CMOS technology. The RX achieves bit error rate (BER) less than 10(-12) over a 22-dB channel loss at 32 Gb/s with 0.62-pJ/bit energy efficiency, and the TX with NOD has 0.77- and 0.40-pJ/bit energy efficiency at 32 Gb/s in differential mode and single-ended mode, respectively. The occupied area of TX and RX is 0.002 and 0.024 mm(2), respectively.
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