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SN74LVTH573: SN74LVTH573 , This part 100% failed function test

Part Number: SN74LVTH573
TI this part (MPN: SN74LVTH573DWR) can't pass our function test 100%. 
But below 2 parts can pass:

SN74LVC573AQDWRQ1 it is Auto grade

SN74LVC573ADW it is catalog device

 
So we want to seek TI's support :  Are there any main different parameters for part SN74LVTH573DWR compare with other parts " SN74LVC573AQDWRQ1 and SN74LVC573ADW "