SI5344H-42H Datasheet, PDF (53/56 Pages) Silicon Laboratories – HIGH-FREQUENCY,

10. Top Marking
Si5344H/42H
Si534fg-
Rxxxxx-GM
YYWWTTTTTT
e4 TW
44-QFN
Line
1
2
3
4
Characters
Si534fg-
Description
Base part number and Device Grade for Any-frequency, Any-output, Jitter
Cleaning Clock (single PLL):
f = 4: 4-output Si5344H: 44-QFN
f = 2: 2-output Si5342H: 44-QFN
Rxxxxx-GM
YYWWTTTTTT
Circle w/ 1.4 mm
diameter
e4
TW
g = Device Grade (H). See “7. Ordering Guide” for more information.
– = Dash character.
R = Product revision. (Refer to “7. Ordering Guide” for latest 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)
YYWW = Characters correspond to the year (YY) and work week (WW) of pack-
age assembly.
TTTTTT = Manufacturing trace code.
Pin 1 indicator; left-justified
Pb-free symbol; center-justified
TW = Taiwan; Country of Origin (ISO Abbreviation)
Rev. 1.0
53