I have here some SN84LS379. What´s the difference to SN54/74?
peter
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Hey Peter,
Did you purchase these straight from TI.com?
Peter,
In order for TI to begin the verification process all of the following information is required. Please review the attached customer letter and provide the required information to ti-counterfeit@list.ti.com.
Required information
Completed Counterfeit Request Form.
High quality pictures of the bottom & top of the device(s)
High quality pictures of the 2D bar code labels.
Copies/pictures of shipping documents, i.e. packing slip showing the origin of the devices to TI. (If this information cannot be provided we are unable to provide verification due to uncertainties regarding chain of custody of the products.)
Provide device application.
Once the required information is provided and submitted, your request will be reviewed for verification.
Important Note: The attachment size limit for the group address (ti-counterfeit@list.ti.com) is 1MB. Email lisam@ti.com, and j-davenport@ti.com if your attachments are larger than 1MB.
TI strongly encourages you to purchase all your TI parts either directly from TI or from authorized TI distributors (http://focus.ti.com/docs/general/distribcountryresults.jhtml) and not from the gray market or brokers.
Customer Letter_Nov_07_2018 - Copy.pdfCounterfeit Validation Form_distributed_0001.pdf