TPD4S214: what's the line1 and line3 meaning?

Hi , 

I  can't see your picture .

which section you point in the datasheet ?

there are three lines on the IC top marking,second line is device marking,how about the meaning of "951" and "CFCK"?

951

B3214

CFCK

Hi ,

Could you send me the mail at michael.tan-pi@ti.com ? 

Thanks!