SI8421AD Datasheet, PDF (34/37 Pages) List of Unclassifed Manufacturers – LOW-POWER, SINGLE AND DUAL-CHANNEL DIGITAL ISOLATORS

Si8410/20/21 (5 kV)
Si8422/23 (2.5 & 5 kV)
11. Top Marking: 16-Pin Wide Body SOIC
Si84XYSV
YYWWTTTTTT
e4 _TW
Figure 21. Isolator Top Marking
Table 18. Top Marking Explanation
Line 1 Marking:
Base Part Number
Si84 = Isolator product series
Ordering Options
XY = Channel Configuration
(See Ordering Guide for more
X = # of data channels (2, 1)
Y = # of reverse channels (1, 0)^1,2
information).
S = Speed Grade
A = 1 Mbps; B = 150 Mbps
V = Insulation rating
A = 1 kV; B = 2.5 kV; C = 3.75 kV; D = 5 kV
Line 2 Marking:
YY = Year
WW = Workweek
Assigned by assembly subcontractor. Corresponds to the
year and workweek of the mold date.
TTTTTT = Mfg Code
Manufacturing code from assembly house.
Line 3 Marking:
Circle = 1.7 mm Diameter
(Center-Justified)
“e4” Pb-Free Symbol.
Country of Origin ISO Code TW = Taiwan.
Abbreviation
Notes:
1. The Si8422 has one reverse channel.
2. The Si8423 has zero reverse channels.
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Rev. 1.3