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TPD7S019: power supply for TPD7S019

Part Number: TPD7S019

Hello Sirs,

May I double check if our CPU Hsync,Vsync,DDC is 3.3V logic  or lower .

Can I apply all power supply (Vcc_ddc/Vcc_sync/Vcc_video) to 5V ?

Datasheet application schematic apply 3.3V for Vcc_ddc .

Will sync_in1 & 2 level shift out to Vcc_sync supply level ? Or just a logic buffer ?

ddc_in1 & 2 will be level shift up to Vcc_ddc supply level,right ?

Many thanks !