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SN74LVTH16245A: The difference between SN74LVTH16425 and SN74LVTH125

R.Fukunaga
Expert 2485 points
Part Number: SN74LVTH16245A
Other Parts Discussed in Thread: SN74LVTH125

Hi all,

I would like to know the difference between SN74LVTH16425 and SN74LVTH125.

This is the waveform during short-circuit test for each device.

Ch1:output voltage

Ch4:output current

SN74LVTH16245ADGGR

When do the short-circuit test, output current flows for a moment and stops.

SN74LVTH125PWR

When do the short-circuit test,  270~350mA current continues to flow.

They seemto behave differently, but they are the same LVTH family.

Could you please advise why the behavior is different?

I would appreciate it if you could tell me the difference.

Best Regards,

Ryusuke

  • 0
    Guru 316780 points

    The current that flows when shorting an output exceeds the absolute maximum ratings and is likely to damage the device. The behaviour under these circumstances cannot be guaranteed.

    I cannot tell you what happened in your tests without knowing the schematic and the exact test conditions. And it is possible that earlier tests already damaged the device.