SI5341 Datasheet, PDF (53/56 Pages) Silicon Laboratories – LOW-JITTER, 10-OUTPUT, ANY-FREQUENCY, ANY-OUTPUT CLOCK GENERATOR

11. Top Marking
Si5341/40
Si5341g-
Rxxxxx-GM
YYWWTTTTTT
e4 TW
Si5340g-
Rxxxxx-GM
YYWWTTTTTT
e4 TW
64-QFN
44-QFN
Figure 22. Si5341-40 Top Markings
Line
1
Table 22. Si5341-40 Top Marking Explanation
Characters
Si5341g-
Si5340g-
Description
Base part number and Device Grade for Low Jitter, Any-Frequency, 10-
output Clock Generator.
Si5341: 10-output, 64-QFN
Si5340: 4-output, 44-QFN
g = Device Grade (A, B, C, D). See "8. Ordering Guide" on page 48 for
more information.
– = Dash character.
2
Rxxxxx-GM
R = Product revision. (See ordering guide for current revision).
xxxxx = Customer specific NVM sequence number. Optional NVM code
assigned for custom, factory pre-programmed devices.
Characters are not included for standard, factory default configured
devices. See Ordering Guide for more information.
–GM = Package (QFN) and temperature range (–40 to +85 °C)
3
YYWWTTTTTT
YYWW = Characters correspond to the year (YY) and work week (WW)
of package assembly.
TTTTTT = Manufacturing trace code.
4
Circle w/ 1.6 mm (64-QFN) Pin 1 indicator; left-justified
or 1.4 mm (44-QFN)
diameter
e4
Pb-free symbol; Center-Justified
TW
TW = Taiwan; Country of Origin (ISO Abbreviation)
Rev. 1.0
53