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Original question:

SN74CBT3384A: Some voltage on Input pins when VCC not powered

SN74CBT3384A: Help to share the difference between SN74CBT3384A and SN74CBT3384C

Jessica Wu74
Expert 4840 points
Part Number: SN74CBT3384A
Other Parts Discussed in Thread: SN74CBT3384C,

Tool/software:

Hi Team,

My customer want to use SN74CBT3384C to P2P replace SN74CBT3384A, could you please help to share the key difference between this two device? i noticed one different spec from below E2E link, if there has any other difference between this two device? Since customer noticed the SN74CBT3384A is not recommand to use in ti.com. So they want to make sure they could use SN74CBT3384C  to P2P replace here. Thanks a lot for your support.

SN74CBT3384A: Some voltage on Input pins when VCC not powered - Switches & multiplexers forum - Switches & multiplexers - TI E2E support forums

Best regards

Jie

  • 0
    TI__Expert 7365 points

    Hello Jie,

    The key differences are that the SN74CBT3384C has the undershoot protection feature, and some parameter differences with the SN74CBT3384A.

    The SN74CBT3384C has an internal resistance of 3ohms compared to SN74CBT3384A having 5ohms. There are some other slight differences that were mentioned in the E2E thread you provided, but overall the SN74CBT3384C can be used as P2P replacement for the SN74CBT3384A. 

    Thanks,

    Nir