Silicon Laboratories SI4734/35-B20 - Manual (Page 32)

S i 4 7 3 4 / 3 5 - B 2 0
32 Rev. 1.0
8. Package Markings (Top Marks)
8.1. Si4734/35 Top Mark
8.2. Top Mark Explanation
Mark Method: YAG Laser
Line 1 Marking: Part Number 34 = Si4734, 35 = Si4735
Firmware Revision 20 = Firmware Revision 2.0
Line 2 Marking: Die Revision B = Revision B Die
TTT = Internal Code Internal tracking code.
Line 3 Marking: Circle = 0.5 mm Diameter
(Bottom-Left Justified) Pin 1 Identifier
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.
3420
BTTT
YWW
3520
BTTT
YWW