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SN74CB3Q16210: What supply voltage do I need to pass 1.8V signals through SN74CB3Q16210DGVR?

Part Number: SN74CB3Q16210

Hi,

We are using SN74CB3Q16210DGVR in our design. The Data I/O signal are 1.8V ( DFE of TCI6630K2LXCMSA2 Processor) that are to be switched. ""The Data I/Os Support 0 V to 5 V Signaling
Levels (0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V,5 V)"" from the datasheet. The VCC is in the range of 2.5 to 3.3V

Therefore for 1.8V signals, do we need to connect 1.8V to the Power VCC pin or 3.3V??

Kindly reply,

Regards,

Sumathi