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A 0.47-0.66pJ/bit, 4.8-8Gb/s I/O Transceiver in 65nm-CMOS 公开 Deposited

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https://ir.library.oregonstate.edu/concern/articles/12579t37t

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Abstract
  • A low-power forwarded-clock I/O transceiver architecture is presented that employs a high degree of output/input multiplexing, supply-voltage scaling with data rate, and low-voltage circuit techniques to enable low-power operation. The transmitter utilizes a 4:1 output multiplexing voltage-mode driver along with 4-phase clocking that is efficiently generated from a passive poly-phase filter. The output driver voltage swing is accurately controlled from 100-200mV[subscript ppd] using a low-voltage pseudo-differential regulator that employs a partial negative-resistance load for improved low frequency gain. 1:8 input de-multiplexing is performed at the receiver equalizer output with 8 parallel input samplers clocked from an 8-phase injection-locked oscillator that provides more than 1UI de-skew range. In the transmitter clocking circuitry, per-phase duty-cycle and phase-spacing adjustment is implemented to allow adequate timing margins at low operating voltages. Fabricated in a general purpose 65nm CMOS process, the transceiver achieves 4.8-8Gb/s at 0.47-0.66pJ/b energy efficiency for V[subscript DD]=0.6-0.8V.
  • This is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by IEEE-Institute of Electrical and Electronics Engineers and can be found at: http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=4. ©2013 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
  • Keywords: High-speed I/O, Injection-locked oscillator, Transceiver, Low-power, Poly-phase filter, Low-voltage regulator, Voltage-mode driver
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Citation
  • Song, Y.H., Bai, R., Hu, K.M., Yang, H.W., Chiang, P.Y. & Palermo, S. (2013). A 0.47-0.66 pJ/bit, 4.8-8 Gb/s I/O transceiver in 65 nm CMOS. IEEE Journal of Solid-State Circuits, 48(5), 1276-1289. doi:10.1109/JSSC.2013.2249812
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  • 48
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  • 5
权利声明
Funding Statement (additional comments about funding)
  • This work was supported by the Semiconductor Research Corporation (SRC) under grant 1836.060, the Department of Energy Early Career program, and a gift from the Intel Labs Academic Research Office Wireline Signaling Center.
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