SI5341_16 Datasheet, PDF (48/53 Pages) Silicon Laboratories – Low-Jitter, 10 or 4-Output, Any-Frequency, Any-Output Clock Generator

12. Top Marking
Si5341/40 Rev D Data Sheet
Top Marking
Si 5341g-
Rx x x x x - GM
YYWWTTTTTT
e 4 TW
Si 5340g-
Rx x x x x - GM
YYWWTTTTTT
e 4 TW
64-QFN
44-QFN
Figure 12.1. Si5341-40 Top Markings
Line
1
2
3
4
Table 12.1. Si5341-40 Top Marking Explanation
Characters
Si5341g-
Si5340g-
Rxxxxx-GM
YYWWTTTTTT
Circle w/ 1.6 mm (64-QFN) or
1.4 mm (44-QFN) diameter
e4
TW
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 " " on page 26 for more information.
– = Dash character.
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 Or-
dering Guide for more information.
–GM = Package (QFN) and temperature range (–40 to +85 °C)
YYWW = Characters correspond to the year (YY) and work week (WW) of package
assembly.
TTTTTT = Manufacturing trace code.
Pin 1 indicator; left-justified
Pb-free symbol; Center-Justified
TW = Taiwan; Country of Origin (ISO Abbreviation)
silabs.com | Smart. Connected. Energy-friendly.
Rev. 1.0 | 47