Hi TIer
The pads on the back of the chip are not recessed as marked in the data sheet and indicate the 1pin position.
So we can only judge through the silk screen, so which pin is the 1pin of this chip?
BR
Yuxi Liu

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Hi TIer
The pads on the back of the chip are not recessed as marked in the data sheet and indicate the 1pin position.
So we can only judge through the silk screen, so which pin is the 1pin of this chip?
BR
Yuxi Liu

Hi Yuxi Liu,
For our X2SON packages we place a mark on the pin 1 index area of the device. This image isn't quite in focus so I can't say for sure, but this device should have the pin 1 marking in Q2 of the device when in the packaging.
Additionally it should display on the bottom left corner of the A which in this image is the top right of the image.
Regards,
John