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TPD5E003: ESD diode TPD5E003 typical application ground configuration

Part Number: TPD5E003

Hi TI E2E Team,

We are plan to use TPD5E003 in our design. I can see there are 2 typical applications given on the datasheet. 

Application 1 typical application for SIM card

I can see we need to use the application 1 as we used TPD5E003 for the SIM connector. But here don't we need pin no 2 of TPD5E003 connected with the ground in application 1? As all the io and ground and vcc connected to all 5 diode but ground (common anode of TPD5E003) left float instead of the ground? Still, ESD diode will work?

Application 2