An 8‐bit digital‐to‐time converter with pre‐skewing and time interpolation
Abstract This study presents an 8‐bit delay line digital‐to‐time converter (DTC) with pre‐skewing and digital time interpolation. Pre‐skewing that lowers the per‐stage‐delay of delay lines beyond that set by the chosen technology is investigated. A cascode tri‐state inverter is proposed to improve t...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Daniel Junehee Lee [verfasserIn] Fei Yuan [verfasserIn] Gul N. Khan [verfasserIn] Yushi Zhou [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
In: IET Circuits, Devices and Systems - Wiley, 2021, 15(2021), 7, Seite 670-685 |
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| Übergeordnetes Werk: |
volume:15 ; year:2021 ; number:7 ; pages:670-685 |
| Links: |
Link aufrufen |
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| DOI / URN: |
10.1049/cds2.12063 |
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| Katalog-ID: |
DOAJ086835882 |
|---|
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| 520 | |a Abstract This study presents an 8‐bit delay line digital‐to‐time converter (DTC) with pre‐skewing and digital time interpolation. Pre‐skewing that lowers the per‐stage‐delay of delay lines beyond that set by the chosen technology is investigated. A cascode tri‐state inverter is proposed to improve the isolation between the input and output of interpolation cells so as to improve the linearity of the time interpolator. Design considerations that critically affect the linearity of the DTC are examined in detail. The impact of the slope of the inputs of the time interpolator on the latency and linearity of the interpolator is analysed and the maximum slope of the input of interpolators yielding the minimum latency without sacrificing linearity, is obtained. The timing errors of DTC are investigated and the considerations of the layout of the DTC are examined. The DTC is designed in a TSMC 65 nm 1.0 V CMOS technology and analysed using Spectre with BSIM3V3 device models. Post‐layout simulation results show the DTC offers 3.6 ps resolution, 580 MS/s conversion rate, and consumes 383 μW. | ||
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| 700 | 0 | |a Yushi Zhou |e verfasserin |4 aut | |
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10.1049/cds2.12063 doi (DE-627)DOAJ086835882 (DE-599)DOAJe5ebf6343a484468a91a92af5c3e5d6b DE-627 ger DE-627 rakwb eng TK7885-7895 Daniel Junehee Lee verfasserin aut An 8‐bit digital‐to‐time converter with pre‐skewing and time interpolation 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This study presents an 8‐bit delay line digital‐to‐time converter (DTC) with pre‐skewing and digital time interpolation. Pre‐skewing that lowers the per‐stage‐delay of delay lines beyond that set by the chosen technology is investigated. A cascode tri‐state inverter is proposed to improve the isolation between the input and output of interpolation cells so as to improve the linearity of the time interpolator. Design considerations that critically affect the linearity of the DTC are examined in detail. The impact of the slope of the inputs of the time interpolator on the latency and linearity of the interpolator is analysed and the maximum slope of the input of interpolators yielding the minimum latency without sacrificing linearity, is obtained. The timing errors of DTC are investigated and the considerations of the layout of the DTC are examined. The DTC is designed in a TSMC 65 nm 1.0 V CMOS technology and analysed using Spectre with BSIM3V3 device models. Post‐layout simulation results show the DTC offers 3.6 ps resolution, 580 MS/s conversion rate, and consumes 383 μW. analogue‐digital conversion CMOS digital integrated circuits delay lines interpolation time‐digital conversion Computer engineering. Computer hardware Fei Yuan verfasserin aut Gul N. Khan verfasserin aut Yushi Zhou verfasserin aut In IET Circuits, Devices and Systems Wiley, 2021 15(2021), 7, Seite 670-685 (DE-627)521690676 (DE-600)2264099-X 17518598 nnns volume:15 year:2021 number:7 pages:670-685 https://doi.org/10.1049/cds2.12063 kostenfrei https://doaj.org/article/e5ebf6343a484468a91a92af5c3e5d6b kostenfrei https://doi.org/10.1049/cds2.12063 kostenfrei https://doaj.org/toc/1751-858X Journal toc kostenfrei https://doaj.org/toc/1751-8598 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 15 2021 7 670-685 |
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10.1049/cds2.12063 doi (DE-627)DOAJ086835882 (DE-599)DOAJe5ebf6343a484468a91a92af5c3e5d6b DE-627 ger DE-627 rakwb eng TK7885-7895 Daniel Junehee Lee verfasserin aut An 8‐bit digital‐to‐time converter with pre‐skewing and time interpolation 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This study presents an 8‐bit delay line digital‐to‐time converter (DTC) with pre‐skewing and digital time interpolation. Pre‐skewing that lowers the per‐stage‐delay of delay lines beyond that set by the chosen technology is investigated. A cascode tri‐state inverter is proposed to improve the isolation between the input and output of interpolation cells so as to improve the linearity of the time interpolator. Design considerations that critically affect the linearity of the DTC are examined in detail. The impact of the slope of the inputs of the time interpolator on the latency and linearity of the interpolator is analysed and the maximum slope of the input of interpolators yielding the minimum latency without sacrificing linearity, is obtained. The timing errors of DTC are investigated and the considerations of the layout of the DTC are examined. The DTC is designed in a TSMC 65 nm 1.0 V CMOS technology and analysed using Spectre with BSIM3V3 device models. Post‐layout simulation results show the DTC offers 3.6 ps resolution, 580 MS/s conversion rate, and consumes 383 μW. analogue‐digital conversion CMOS digital integrated circuits delay lines interpolation time‐digital conversion Computer engineering. Computer hardware Fei Yuan verfasserin aut Gul N. Khan verfasserin aut Yushi Zhou verfasserin aut In IET Circuits, Devices and Systems Wiley, 2021 15(2021), 7, Seite 670-685 (DE-627)521690676 (DE-600)2264099-X 17518598 nnns volume:15 year:2021 number:7 pages:670-685 https://doi.org/10.1049/cds2.12063 kostenfrei https://doaj.org/article/e5ebf6343a484468a91a92af5c3e5d6b kostenfrei https://doi.org/10.1049/cds2.12063 kostenfrei https://doaj.org/toc/1751-858X Journal toc kostenfrei https://doaj.org/toc/1751-8598 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 15 2021 7 670-685 |
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10.1049/cds2.12063 doi (DE-627)DOAJ086835882 (DE-599)DOAJe5ebf6343a484468a91a92af5c3e5d6b DE-627 ger DE-627 rakwb eng TK7885-7895 Daniel Junehee Lee verfasserin aut An 8‐bit digital‐to‐time converter with pre‐skewing and time interpolation 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This study presents an 8‐bit delay line digital‐to‐time converter (DTC) with pre‐skewing and digital time interpolation. Pre‐skewing that lowers the per‐stage‐delay of delay lines beyond that set by the chosen technology is investigated. A cascode tri‐state inverter is proposed to improve the isolation between the input and output of interpolation cells so as to improve the linearity of the time interpolator. Design considerations that critically affect the linearity of the DTC are examined in detail. The impact of the slope of the inputs of the time interpolator on the latency and linearity of the interpolator is analysed and the maximum slope of the input of interpolators yielding the minimum latency without sacrificing linearity, is obtained. The timing errors of DTC are investigated and the considerations of the layout of the DTC are examined. The DTC is designed in a TSMC 65 nm 1.0 V CMOS technology and analysed using Spectre with BSIM3V3 device models. Post‐layout simulation results show the DTC offers 3.6 ps resolution, 580 MS/s conversion rate, and consumes 383 μW. analogue‐digital conversion CMOS digital integrated circuits delay lines interpolation time‐digital conversion Computer engineering. Computer hardware Fei Yuan verfasserin aut Gul N. Khan verfasserin aut Yushi Zhou verfasserin aut In IET Circuits, Devices and Systems Wiley, 2021 15(2021), 7, Seite 670-685 (DE-627)521690676 (DE-600)2264099-X 17518598 nnns volume:15 year:2021 number:7 pages:670-685 https://doi.org/10.1049/cds2.12063 kostenfrei https://doaj.org/article/e5ebf6343a484468a91a92af5c3e5d6b kostenfrei https://doi.org/10.1049/cds2.12063 kostenfrei https://doaj.org/toc/1751-858X Journal toc kostenfrei https://doaj.org/toc/1751-8598 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 15 2021 7 670-685 |
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10.1049/cds2.12063 doi (DE-627)DOAJ086835882 (DE-599)DOAJe5ebf6343a484468a91a92af5c3e5d6b DE-627 ger DE-627 rakwb eng TK7885-7895 Daniel Junehee Lee verfasserin aut An 8‐bit digital‐to‐time converter with pre‐skewing and time interpolation 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This study presents an 8‐bit delay line digital‐to‐time converter (DTC) with pre‐skewing and digital time interpolation. Pre‐skewing that lowers the per‐stage‐delay of delay lines beyond that set by the chosen technology is investigated. A cascode tri‐state inverter is proposed to improve the isolation between the input and output of interpolation cells so as to improve the linearity of the time interpolator. Design considerations that critically affect the linearity of the DTC are examined in detail. The impact of the slope of the inputs of the time interpolator on the latency and linearity of the interpolator is analysed and the maximum slope of the input of interpolators yielding the minimum latency without sacrificing linearity, is obtained. The timing errors of DTC are investigated and the considerations of the layout of the DTC are examined. The DTC is designed in a TSMC 65 nm 1.0 V CMOS technology and analysed using Spectre with BSIM3V3 device models. Post‐layout simulation results show the DTC offers 3.6 ps resolution, 580 MS/s conversion rate, and consumes 383 μW. analogue‐digital conversion CMOS digital integrated circuits delay lines interpolation time‐digital conversion Computer engineering. Computer hardware Fei Yuan verfasserin aut Gul N. Khan verfasserin aut Yushi Zhou verfasserin aut In IET Circuits, Devices and Systems Wiley, 2021 15(2021), 7, Seite 670-685 (DE-627)521690676 (DE-600)2264099-X 17518598 nnns volume:15 year:2021 number:7 pages:670-685 https://doi.org/10.1049/cds2.12063 kostenfrei https://doaj.org/article/e5ebf6343a484468a91a92af5c3e5d6b kostenfrei https://doi.org/10.1049/cds2.12063 kostenfrei https://doaj.org/toc/1751-858X Journal toc kostenfrei https://doaj.org/toc/1751-8598 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 15 2021 7 670-685 |
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10.1049/cds2.12063 doi (DE-627)DOAJ086835882 (DE-599)DOAJe5ebf6343a484468a91a92af5c3e5d6b DE-627 ger DE-627 rakwb eng TK7885-7895 Daniel Junehee Lee verfasserin aut An 8‐bit digital‐to‐time converter with pre‐skewing and time interpolation 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract This study presents an 8‐bit delay line digital‐to‐time converter (DTC) with pre‐skewing and digital time interpolation. Pre‐skewing that lowers the per‐stage‐delay of delay lines beyond that set by the chosen technology is investigated. A cascode tri‐state inverter is proposed to improve the isolation between the input and output of interpolation cells so as to improve the linearity of the time interpolator. Design considerations that critically affect the linearity of the DTC are examined in detail. The impact of the slope of the inputs of the time interpolator on the latency and linearity of the interpolator is analysed and the maximum slope of the input of interpolators yielding the minimum latency without sacrificing linearity, is obtained. The timing errors of DTC are investigated and the considerations of the layout of the DTC are examined. The DTC is designed in a TSMC 65 nm 1.0 V CMOS technology and analysed using Spectre with BSIM3V3 device models. Post‐layout simulation results show the DTC offers 3.6 ps resolution, 580 MS/s conversion rate, and consumes 383 μW. analogue‐digital conversion CMOS digital integrated circuits delay lines interpolation time‐digital conversion Computer engineering. Computer hardware Fei Yuan verfasserin aut Gul N. Khan verfasserin aut Yushi Zhou verfasserin aut In IET Circuits, Devices and Systems Wiley, 2021 15(2021), 7, Seite 670-685 (DE-627)521690676 (DE-600)2264099-X 17518598 nnns volume:15 year:2021 number:7 pages:670-685 https://doi.org/10.1049/cds2.12063 kostenfrei https://doaj.org/article/e5ebf6343a484468a91a92af5c3e5d6b kostenfrei https://doi.org/10.1049/cds2.12063 kostenfrei https://doaj.org/toc/1751-858X Journal toc kostenfrei https://doaj.org/toc/1751-8598 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 15 2021 7 670-685 |
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An 8‐bit digital‐to‐time converter with pre‐skewing and time interpolation |
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Abstract This study presents an 8‐bit delay line digital‐to‐time converter (DTC) with pre‐skewing and digital time interpolation. Pre‐skewing that lowers the per‐stage‐delay of delay lines beyond that set by the chosen technology is investigated. A cascode tri‐state inverter is proposed to improve the isolation between the input and output of interpolation cells so as to improve the linearity of the time interpolator. Design considerations that critically affect the linearity of the DTC are examined in detail. The impact of the slope of the inputs of the time interpolator on the latency and linearity of the interpolator is analysed and the maximum slope of the input of interpolators yielding the minimum latency without sacrificing linearity, is obtained. The timing errors of DTC are investigated and the considerations of the layout of the DTC are examined. The DTC is designed in a TSMC 65 nm 1.0 V CMOS technology and analysed using Spectre with BSIM3V3 device models. Post‐layout simulation results show the DTC offers 3.6 ps resolution, 580 MS/s conversion rate, and consumes 383 μW. |
| abstractGer |
Abstract This study presents an 8‐bit delay line digital‐to‐time converter (DTC) with pre‐skewing and digital time interpolation. Pre‐skewing that lowers the per‐stage‐delay of delay lines beyond that set by the chosen technology is investigated. A cascode tri‐state inverter is proposed to improve the isolation between the input and output of interpolation cells so as to improve the linearity of the time interpolator. Design considerations that critically affect the linearity of the DTC are examined in detail. The impact of the slope of the inputs of the time interpolator on the latency and linearity of the interpolator is analysed and the maximum slope of the input of interpolators yielding the minimum latency without sacrificing linearity, is obtained. The timing errors of DTC are investigated and the considerations of the layout of the DTC are examined. The DTC is designed in a TSMC 65 nm 1.0 V CMOS technology and analysed using Spectre with BSIM3V3 device models. Post‐layout simulation results show the DTC offers 3.6 ps resolution, 580 MS/s conversion rate, and consumes 383 μW. |
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Abstract This study presents an 8‐bit delay line digital‐to‐time converter (DTC) with pre‐skewing and digital time interpolation. Pre‐skewing that lowers the per‐stage‐delay of delay lines beyond that set by the chosen technology is investigated. A cascode tri‐state inverter is proposed to improve the isolation between the input and output of interpolation cells so as to improve the linearity of the time interpolator. Design considerations that critically affect the linearity of the DTC are examined in detail. The impact of the slope of the inputs of the time interpolator on the latency and linearity of the interpolator is analysed and the maximum slope of the input of interpolators yielding the minimum latency without sacrificing linearity, is obtained. The timing errors of DTC are investigated and the considerations of the layout of the DTC are examined. The DTC is designed in a TSMC 65 nm 1.0 V CMOS technology and analysed using Spectre with BSIM3V3 device models. Post‐layout simulation results show the DTC offers 3.6 ps resolution, 580 MS/s conversion rate, and consumes 383 μW. |
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