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Logic gate

Martin Dusek
Intellectual 340 points
Other Parts Discussed in Thread: SN74LVC1G04, SN74LVC1G07

Hello,

in my design I need two logic gates (preferably just function Y = A, or Y = not A) with low logic level Vilmax = 0.8 V, supply voltage Vcc = 2.5 - 3.3 V and 5V tolerant inputs. Is there anything?

  • 0
    TI__Genius 9860 points

    Hi Martin,

    What is your end application? The SN74LVC1G04 and SN74LVC1G07 may be a good fit based on your requirements.

    -Ryan

     

  • 0 in reply to C. Ryan Land
    Intellectual 340 points

    Hi Ryan,

    it will be used as logic level translator. Parameters of the gate are:

    supply voltage  and output high voltage:

    Vcc = Voh = 2.5 - 3.3 V

    input low logic level :

    Vilmax = 0.8 V

    input high logic level:

    Vihmin = 2.1 V

    Vihmax = 5.5 V

    supply current

    Icc < 50 uA for Vin <= Vilmax and Vin >= Vihmin (i.e. valid levels on input)

    Icc < 10 mA for Vilmax < Vin < Vihmin (i.e. invalid levels on input)

    The SN74LVC1G04 and SN74LVC1G07 would fit my requirements apart from deltaIcc parameter (500 uA for this gate;).

    I found NLU2G14 gate http://www.onsemi.com/pub_link/Collateral/NLU2G14-D.PDF from Onsemi. It has slightly higher high level input voltage but I can live with that. They specify Icc to be < 1 uA for all input levels. Does TI have something like that?

  • 0 in reply to Martin Dusek
    TI__Mastermind 46480 points

    AUP would be much lower power than LVC.

    I dont know how On can have a part thet uses no power to switch. At some point between Vcc and gnd there should be a current spike at the switching point.