This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

INA114: Why there is a notch on the top of the IC, while the one I bought is with a dot on the IC?

Part Number: INA114

Dear All, 

I bought a INA114APm which should be with a notch like this: 

However, the one I received is: 

Is this a design change or I am fooled by others?