Please help to check the mean of silk screen CC5S for SN74LVC1G3157DBVT, there are no description in the datasheet.
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The device marking for the SN74LVC1G3157 describes the following attributes (using "CC5S" as an example):
1) The first symbol ("C" in this case) represents the device family the orderable device belongs to
2) The second & third symbol ("C5" in this case) represents the device function
3) The fourth symbol ("S" in this case) represents the fab/assembly site of the orderable device.
It appears the datasheet needs to be updated to reflect all of the possible device markings for SN74LVC1G3157 but CC5S is a valid marking.