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LSF0204: Enable voltages at 0.8V VREF_A

Diego Lewis
Intellectual 1540 points
Part Number: LSF0204

Hi Team,

What would be the VIH and VIL for the enable pin when VREF_A is 0.8V? Not sure If I missed something, but the datasheet only seems to show the case where VREF_A is at least 1V. 

Please also confirm that the LSF0204 cannot handle VREF_A below 0.8V for translation. 

Regards, Diego Lewis

  • 0
    TI__Guru* 96591 points

    Hi Diego,

    From what I've seen in our char data and the datasheet, it looks like the device was only designed and tested to operate with VCCA down to 1V.

    With VCCA = 1V, VIH = 0.8V, so technically you could get a 0.8V signal to translate, but I wouldn't really recommend it. That's going to be pushing the limits of the device and I wouldn't expect you to get very good signal integrity out of it.

    Can you share any details of what your application is?