SOIC8 marking (direction)
Usually references printed on top aren't the best methods for recognition of PIN1 location. The print disappears sometimes or can be removed. Normally you will have a deep dip, cut corner, U-shaped dip or similar. 
In your case the datasheet shows PIN orientation by chamfer on top face.
The datasheet picture:  

  

And your picture:


PIN1 (as on the picture): bottom - left.