SI5350B-B Datasheet, PDF (29/32 Pages) Silicon Laboratories – FACTORY-PROGRAMMABLE ANY-FREQUENCY CMOS CLOCK GENERATOR

10. Top Marking
10.1. 20-Pin QFN Top Marking
Si5350B-B
Figure 20. 20-Pin QFN Top Marking
10.2. Top Marking Explanation
Mark Method:
Laser
Pin 1 Mark:
Filled Circle = 0.50 mm Diameter
(Bottom-Left Corner)
Font Size:
0.60 mm (24 mils)
Line 1 Mark Format Device Part Number
Si5350
Line 2 Mark Format: TTTTTT = Mfg Code*
Manufacturing Code from the Assembly Purchase
Order Form.
Line 3 Mark Format: YY = Year
WW = Work Week
Assigned by the Assembly House. Corresponds to
the year and work week of the assembly date.
*Note: The code shown in the “TTTTTT” line does not correspond to the orderable part number or frequency plan. It is used
for package assembly quality tracking purposes only.
Rev. 1.0
29