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Article How can MAX14830ETM+ errata fixed part REVID 0xB4 be identified by top mark?

Answer:

The last date code to use the “old’ revision is 1627. 
 
On the topmark, there are 5 lines.
 
Line 1    MAXIM
Line 2    MAX14830
Line 3    ETM  YWW         -- WHERE YWW IS DATE CODE
Line 4    xxxxxxx --
Line 5    +

Line 4 is seven letters long:
  -  First letter indicates assembly vendor
  -  Letters 2-5 are the first 4 letters of the lot number this is where you can tell rev, new rev parts will be QBFJ, 
  - Letters 6-7 are what we can the “backmark”
 
 

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