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TUSB4020BI: TUSB4020BI and TUSB8020B Pin Compatible in USB2.0

Expert 4626 points
Part Number: TUSB4020BI
Other Parts Discussed in Thread: TUSB8020B

Hello, 

Are TUSB4020BI and TUSB8020B pin compatible in USB2.0 mode and is possible to make a USB2.0 design that accommodates either one. 

From the datasheet, it appears leaving the RSVD pins of the TUBS4020 unconnected, and using a TUSB8020B in lieu? 

Thanks!