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SN74AXCH2T45: The silk screen does not conform to the specification

Part Number: SN74AXCH2T45

The screen printing on the physical object is 22JT, while the screen printing on the specification book is 22IT. Is there any change in the specification book? If there is any change, please help to provide the latest specification. If there is no change, please confirm why this situation occurs. thank you!