SI4730-C40-GM Datasheet, PDF (32/42 Pages) Silicon Laboratories – BROADCAST AM/FM RADIO RECEIVER

Si4730/31-C40
10. Package Markings (Top Marks)
10.1. Si4730/31 Top Mark (QFN)
3040
CTTT
YWW
3140
CTTT
YWW
10.2. Top Mark Explanation (QFN)
Mark Method:
Line 1 Marking:
Line 2 Marking:
Line 3 Marking:
YAG Laser
Part Number
30 = Si4730, 31 = Si4731.
Firmware Revision
40 = Firmware Revision 4.0.
Die Revision
C = Revision C 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
significant digit of the year and work week of the mold date.
32
Rev. 1.0