Si8410/20/21 (5 kV)
Si8422/23 (2.5 & 5 kV)
34 Rev. 1.2
11. Top Marking: 16-Pin Wide Body SOIC
Figure 21. Isolator Top Marking
Table 18. Top Marking Explanation
Line 1 Marking: Base Part Number
Ordering Options
(See Ordering Guide for more
information).
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=1kV; B=2.5kV; C=3.75kV; D=5kV
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 = 1.5 mm Diameter
(Center-Justified)
“e3” Pb-Free Symbol.
Country of Origin ISO Code
Abbreviation
TW = Taiwan.
Notes:
1. The Si8422 has one reverse channel.
2. The Si8423 has zero reverse channels.
Si84XYSV
YYWWTTTTTT
TW
e3
Rev. 1.2 35
Si8410/20/21 (5 kV)
Si8422/23 (2.5 & 5 kV)
12. Top Marking: 8-Pin Narrow-Body SOIC
Figure 22. Isolator Top Marking
Table 19. Top Marking Explanations
Line 1 Marking: Base Part Number
Ordering Options
(See Ordering Guide for more
information).
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=1kV; B=2.5kV; C=3.75kV; D=5kV
Line 2 Marking: YY = Year
WW = Workweek
Assigned by assembly subcontractor. Corresponds to
the year and workweek of the mold date.
R = Product (OPN) Revision
F = Wafer Fab
Line 3 Marking: Circle = 1.1 mm Diameter
Left-Justified
“e3” Pb-Free Symbol.
First two characters of the manufacturing code.
A = Assembly Site
I = Internal Code
XX = Serial Lot Number
Last four characters of the manufacturing code.
Notes:
1. The Si8422 has one reverse channel.
2. The Si8423 has zero reverse channels.
Si84XYSV
YYWWRF
AIXX
e3
36 Rev. 1.2
Si8410/20/21 (5 kV)
Si8422/23 (2.5 & 5 kV)
DOCUMENT CHANGE LIST
Revision 0.1 to Revision 1.0
Updated “ Features” on page 1.
Updated transient immunity
Removed Block Diagram from page 1.
Added chip graphics on page 1.
Added Peak Eye Diagram jitter in Tables 1, 2, and 3.
Updated transient immunity
Moved Table 12 to page 22.
Added "3. Device Operation" on page 22.
Added "3.4. Fail-Safe Operating Mode" on page 24.
Moved “Typical Performance Characteristics” to
page 25.
Deleted RF Radiated Emissions section.
Deleted RF Magnetic and Common-Mode Transient
Immunity section.
Updated MSL rating to MSL2A.
Revision 1.0 to Revision 1.1
Numerous text edits.
Added notes to Tables 18 and 19.
Revision 1.1 to Revision 1.2
Updated Timing Characteristics in Tables 1, 2, and 3.

SI8421BD-D-ISR

Mfr. #:
Manufacturer:
Silicon Labs
Description:
Digital Isolators 5 kV 1 forward & 1 reverse 2-channel isolator
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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