SI4708-C Datasheet, PDF (35/40 Pages) Silicon Laboratories – BROADCAST FM RADIO TUNER FOR PORTABLE APPLICATIONS

9. Package Markings (Top Marks)
9.1. Si4708 Top Mark
Si4708/09-C
9.2. Si4709 Top Mark
9.3. Top Mark Explanation
Mark Method:
Line 1 Marking:
YAG Laser
Device Number
Line 2 Marking: TTTT = Mfg Code
Line 3 Marking:
Pin 1 Identifier.
YWW = Date Code
4708 = Si4708
4709 = Si4709
Line 2 from the "Markings" section of the Assem-
bly Purchase Order form.
Circle = 0.3 mm Diameter
Assigned by the Assembly House. Corresponds
to the last digit of the current year (Y) and the
workweek (WW) of the assembly release.
Rev. 1.2
35