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.

SN54LS374: Difference in SN54LS374J and SNJ54LS374J

Part Number: SN54LS374

We have procured the IC SN54LS374J. However we have received item SNJ54LS374J 

As per datasheet both specifications are same. I need clarification 

a) what is the significance of letter 'J"?

b) What is the difference between these two parts SN54LS374J and SNJ54LS374J


Kotresh Kumar DS