A 3- mu m CMOS timing sampler is described which is designed to be flown on the Combined Release and Radiation Effects Satellite. It consists of 64 inverter-pair stages with sampling latches and decoder circuitry, and is used to measure inverter-pair propagation delays, which are nominally 2.5 ns, with a resolution of 100 ps. A simple model was developed to explain the radiation-induced inverter-pair delay shifts in terms of radiation-induced MOSFET threshold-voltage shifts and effective nodal capacitances. The magnitude of the shift in pair delay with radiation was estimated at the point where the n-MOSFET threshold voltage became zero. For a 0.7-V threshold shift, the pair delay increased from its preradiation value by 360 ps for a rising step input and decreased by 190 ps for a falling step input, 1987 Annual Conference on Nuclear and Space Radiation Effects, 28-31 July 1987, Snowmass Village, CO, USA


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    Title :

    Propagation delay measurements from a timing sampler intended for use in space


    Additional title:

    Messung der dosisabhaengigen Schaltzeiten in einer Zeitnehmer-Abtast-Schaltung zum Einsatz in der Raumfahrt


    Contributors:
    Blaes, B.R. (author) / Buehler, M.G. (author) / Lin, Y.S. (author)

    Published in:

    IEEE Transactions on Nuclear Science ; NS-34 , 6, PT.1 ; 1470-1473


    Publication date :

    1987


    Size :

    4 Seiten, 11 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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