SI5351-B Datasheet, PDF (38/41 Pages) Silicon Laboratories – Supports static phase offset

Si5351A/B/C-B
14. Top Marking
14.1. 20-Pin QFN Top Marking
Figure 28. 20-Pin QFN Top Marking
14.2. 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
Si5351
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.
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Rev. 1.0