An 8bit, 2.6ps two-step TDC in 65nm CMOS employing a switched ring-oscillator based time amplifier

Bongjin Kim; Hoonki Kim; Chris H. Kim

doi:10.1109/CICC.2015.7338425

An 8bit, 2.6ps two-step TDC in 65nm CMOS employing a switched ring-oscillator based time amplifier

Bongjin Kim, Hoonki Kim, Chris H. Kim

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

23 Scopus citations

Abstract

An 8bit two-step time-to-digital converter (TDC) with a novel digital switched ring-oscillator based time amplifier (TA) is demonstrated in 65nm CMOS. The proposed TA achieves a predictable and programmable gain without requiring any calibration. The implemented 8bit two-step TDC with a 16x TA gain achieves a time resolution of 2.6ps at 80MS/s conversion rate while consuming 2mW. The measured DNL and INL are 1.84LSB and 2.36LSB, respectively. The TDC area is 0.07mm².

Original language	English (US)
Title of host publication	2015 IEEE Custom Integrated Circuits Conference, CICC 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781479986828
DOIs	https://doi.org/10.1109/CICC.2015.7338425
State	Published - Nov 25 2015
Event	IEEE Custom Integrated Circuits Conference, CICC 2015 - San Jose, United States Duration: Sep 28 2015 → Sep 30 2015

Publication series

Name	Proceedings of the Custom Integrated Circuits Conference
Volume	2015-November
ISSN (Print)	0886-5930

Other

Other	IEEE Custom Integrated Circuits Conference, CICC 2015
Country/Territory	United States
City	San Jose
Period	9/28/15 → 9/30/15

Bibliographical note

Publisher Copyright:
© 2015 IEEE.

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10.1109/CICC.2015.7338425

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Kim, B., Kim, H., & Kim, C. H. (2015). An 8bit, 2.6ps two-step TDC in 65nm CMOS employing a switched ring-oscillator based time amplifier. In 2015 IEEE Custom Integrated Circuits Conference, CICC 2015 Article 7338425 (Proceedings of the Custom Integrated Circuits Conference; Vol. 2015-November). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CICC.2015.7338425

An 8bit, 2.6ps two-step TDC in 65nm CMOS employing a switched ring-oscillator based time amplifier. / Kim, Bongjin; Kim, Hoonki; Kim, Chris H.
2015 IEEE Custom Integrated Circuits Conference, CICC 2015. Institute of Electrical and Electronics Engineers Inc., 2015. 7338425 (Proceedings of the Custom Integrated Circuits Conference; Vol. 2015-November).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kim, B, Kim, H & Kim, CH 2015, An 8bit, 2.6ps two-step TDC in 65nm CMOS employing a switched ring-oscillator based time amplifier. in 2015 IEEE Custom Integrated Circuits Conference, CICC 2015., 7338425, Proceedings of the Custom Integrated Circuits Conference, vol. 2015-November, Institute of Electrical and Electronics Engineers Inc., IEEE Custom Integrated Circuits Conference, CICC 2015, San Jose, United States, 9/28/15. https://doi.org/10.1109/CICC.2015.7338425

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An 8bit, 2.6ps two-step TDC in 65nm CMOS employing a switched ring-oscillator based time amplifier

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