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CD74HC4052: Customer needs Switch characterization data at 3.3v

Part Number: CD74HC4052
Other Parts Discussed in Thread: TS3A5017

Hi Team

My customer wants to use the 74HC4052 as a I2C mux and needs the switch characterization data at 3.3v. Do we have this data available?

Thanks

Jeff Coletti

  • Jeff,

    The SN74HC4052 datasheet has some characterization data at 4.5 V for Ron.  With lower supply voltages you can expect higher on-state resistance.

    Why has the customer selected SN74HC4052 for an I2C application?  Why do you need a 4:1 multiplexer, are all the slave devices the same I2C address? 

    Ti.com switch selection tool has a quick button to select I2C products.  Many of these parts are characterized at 3.3 V like the TS3A5017.

    Thank you,

    Adam