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About SN74CB3Q3257 current

Other Parts Discussed in Thread: SN74CB3Q3257

Hi Sir,

Sorry to bother you.

We would like use SN74CB3Q3257 to switching LED.

What is the max passing  ( A to B) current. 50mA??64mA?? or 100mA??

If our application need short B1 and B2, I think should be fine. Right??

Thanks for your reply.

  • Hey Shu-Cheng,

    Below is the highlighted portion of the datasheet that answers your questions:

    On-state switch current is the max current that can come in/out of any 1 channel that is an IO pin. Continuous current through Vcc or GND is the max current that can come in/out of the device as a whole (All the channels added up).

    Thanks,

    Daniel