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SI4430-B1 Datasheet, PDF (68/74 Pages) Silicon Laboratories – Si4430/31/32 ISM TRANSCEIVER
Si4430/31/32-B1
15. Package Markings (Top Marks)
15.1. Si4430/31/32 Top Mark
15.2. Top Mark Explanation
Mark Method:
Line 1 Marking:
YAG Laser
X = Part Number
Line 2 Marking:
Line 3 Marking:
R = Die Revision
TTTTT = Internal Code
YY= Year
WW = Workweek
0 = Si4430
1 = Si4431
2 = Si4432
B = Revision B1
Internal tracking code.
Assigned by the Assembly House. Corresponds to the last
significant digit of the year and workweek of the mold date.
68
Rev 1.1