
Si570/Si571
22
Rev. 0.31
8. Si57x Mark Specification
Figure 5 illustrates the mark specification for the Si57x.
Table 15 lists the line information.
Figure 5. Mark Specification
Table 15. Si57x Top Mark Description
Line
Position
Description
1
1–10
“SiLabs”+ Part Family Number, 5xx (First 3 characters in part number)
2
1–10
Si570, Si571: Option1 + Option2 + Option3 + ConfigNum(6) + Temp
3
Trace Code
Position 1
Pin 1 orientation mark (dot)
Position 2
Product Revision (D)
Position 3–6
Tiny Trace Code (4 alphanumeric characters per assembly release instructions)
Position 7
Year (least significant year digit), to be assigned by assembly site (ex: 2007 = 7)
Position 8–9
Calendar Work Week number (1–53), to be assigned by assembly site
Position 10
“+” to indicate Pb-Free and RoHS-compliant
SiLabs 123
12
3
4
5
6
R T T T T Y WW+
1234567890