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Standby current measurement

Discussion in 'Electronic Basics' started by Roger Bourne, Feb 17, 2006.

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  1. Roger Bourne

    Roger Bourne Guest

    Good day to all,

    Does anyone know of any peculiarities concerning the measurement of the
    standby current of a DDR RAM?
    I was thinking of measuring the standby current like I do for a regular
    IC module; setting all data inputs to ground/vdd and placing a small
    resistor in the path to ground. In this manner, the resistor's voltage
    drop can be used to extrapolate the standby current. Perphaps,
    amplifying the resistor's voltage drop can increase the measurement
    accuracy...

    Given that I know relatively little about DDRs (I will research them
    after I post this post), I was wondering if this typical standby
    current measurement setup will be apllicable for DDRs. After all, DDRs
    operate in standby with clocks in the 100's of MHz and standby currents
    in the order of 10's of mA.

    Any help will be appreciated.
    The DDR (to be tested) in question is unknown for the moment.

    Regards,

    Roger
     
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