SI8640BA-B-IU Datasheet, PDF (38/42 Pages) Silicon Laboratories – Low-Power Quad-Channel Digital Isolators

14. Top Marking: QSOP
Si864x Data Sheet
Top Marking: QSOP
Figure 14.1. QSOP Top Marking
Table 14.1. QSOP Top Marking Explanation
Line 1 Marking:
Base Part Number
86 = Isolator product series
Ordering Options
X = # of data channels (4)
(See 1. Ordering Guide for more ^{Y = # of reverse channels (5, 2, 1, 0)1}
information.)
S = Speed Grade (max data rate) and operating mode:
B = 150 Mbps (default output = low)
E = 150 Mbps (default output = high)
Line 2 Marking:
RTTTTT = Mfg Code
Line 3 Marking:
YY = Year
WW = Work Week
Note:
1. Si8645 has 0 reverse channels.
V = Insulation rating
A = 1 kV; B = 2.5 kV; C = 3.75 kV
Manufacturing code from assembly house
“R” indicates revision
Assigned by the Assembly House. Corresponds to the year and
work week of the mold date.
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