![](http://datasheet.mmic.net.cn/50000/530UA974M000DG_datasheet_1812564/530UA974M000DG_9.png)
Si530/531
Rev. 1.1
9
5. Si530/Si531 Mark Specification
Figure 3 illustrates the mark specification for the Si530/Si531.
Table 12 lists the line information.
Figure 3. Mark Specification
Table 12. Si53x Top Mark Description
Line
Position
Description
1
1–10
“SiLabs”+ Part Family Number, 5xx (First 3 characters in part number)
2
1–10
Si530, Si531: Option1 + Option2 + Freq(7) + Temp
Si532, Si533, Si534, Si530/Si531 w/ 8-digit resolution:
Option1 + Option2 + 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
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