SI4712-B30 Datasheet, PDF (35/42 Pages) Silicon Laboratories – FM RADIO TRANSMITTER WITH RECEIVE POWER SCAN

9. Package Markings (Top Marks)
9.1. Si4712 Top Mark
Si4712/13-B30
9.2. Si4713 Top Mark
Figure 20. Si4712 Top Mark
9.3. Top Mark Explanation
Figure 21. Si4713 Top Mark
Mark Method:
Line 1 Marking:
Line 2 Marking:
Line 3 Marking:
YAG Laser
Part Number
12 = Si4712
13 = Si4713
Firmware Revision
30 = Firmware Revision 30
R = Die Revision
B = Revision B Die
TTT = Internal Code
Internal tracking code.
Circle = 0.5 mm Diameter Pin 1 Identifier
(Bottom-Left Justified)
Y = Year
WW = Workweek
Assigned by the Assembly House. Corresponds to the last sig-
nificant digit of the year and workweek of the mold date.
Rev. 1.1
35