SI8421AD Datasheet, PDF (35/37 Pages) List of Unclassifed Manufacturers – LOW-POWER, SINGLE AND DUAL-CHANNEL DIGITAL ISOLATORS

Si8410/20/21 (5 kV)
Si8422/23 (2.5 & 5 kV)
12. Top Marking: 8-Pin Narrow-Body SOIC
Si84XYSV
YYWWRF
e3 _AIXX
Figure 22. Isolator Top Marking
Table 19. Top Marking Explanations
Line 1 Marking:
Base Part Number
Ordering Options
(See Ordering Guide for more
information).
Line 2 Marking:
YY = Year
WW = Workweek
R = Product (OPN) Revision
F = Wafer Fab
Line 3 Marking:
Circle = 1.1 mm Diameter
Left-Justified
A = Assembly Site
I = Internal Code
XX = Serial Lot Number
Notes:
1. The Si8422 has one reverse channel.
2. The Si8423 has zero reverse channels.
Si84 = Isolator product series
XY = Channel Configuration
X = # of data channels (2, 1)
Y = # of reverse channels (1, 0)^1,2
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
Assigned by assembly subcontractor. Corresponds to
the year and workweek of the mold date.
“e3” Pb-Free Symbol.
First two characters of the manufacturing code.
Last four characters of the manufacturing code.
Rev. 1.3
35