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TXS0104E: about the low level range

Joyce Li
Intellectual 2170 points
Part Number: TXS0104E

Dear experts,

I have a questions about VCCA. The datasheet says the VCCA lower range is 1.65V. However, in my customer application, they found TXS0104E can still work even if VCCA is 1.2V. their application is VCCB is 3.3V, VCCA is 1.2V.

they want to know why 1.2V can still work and what is the consequence if they use TXS0104E in such condition. 

thanks very much for your reply in advance.

Best regards,

Joyce Li

  • 0
    TI__Guru* 97046 points
    Very many of the devices TI sells will continue to operate outside of the datasheet recommended operating voltage range, however we do not guarantee their operation outside of the datasheet specifications.

    As for the consequences - since this voltage is within the absolute maximum ratings of the part, it will not damage the device, however functionality may be compromised. The device may operate perfectly and never have any issues, or it might be unstable in specific conditions. It's also possible that one device would work perfectly, and another would not. Since we have not characterized the device for operation in this range, there's no way to know what problems may occur.