SI53321 Datasheet, PDF (25/28 Pages) Silicon Laboratories – 1:10 LOW JITTER LVPECL CLOCK BUFFER

7. Top Markings
7.1. Si53321 32-eLQFP Top Marking
Si53321
7.2. Top Marking Explanation (32-eLQFP)
Mark Method: Laser
Font Size:
1.9 Point (26 mils)
Right-Justified
Line 1 Marking: Device Part Number
Line 2 Marking: YY = Year
WW = Work Week
TTTTTT = Mfg Code
Line 3 Marking: Circle = 1.3 mm Diameter
Center-Justified
Country of Origin
ISO Code Abbreviation
53321-B-GQ
Corresponds to the year and work
week of the mold date.
Manufacturing Code from the
Assembly Purchase Order form.
“e3” Pb-Free Symbol
TW
Rev. 1.0
25