SI8641BD-B-IS Datasheet, PDF (39/44 Pages) STMicroelectronics – LOW-POWER QUAD-CHANNEL DIGITAL ISOLATOR

12. Top Markings
12.1. Top Marking (16-Pin Wide Body SOIC)
Si8640/41/42/45
Si86XYSV
YYWWRTTTTT
e4 _TW
12.2. Top Marking Explanation (16-Pin Wide Body SOIC)
Line 1 Marking:
Base Part Number
Si86 = Isolator product series
Ordering Options
XY = Channel Configuration
X = # of data channels (4, 3, 2, 1)
(See Ordering Guide for more
Y = # of reverse channels (2, 1, 0)*
information).
S = Speed Grade (max data rate) and operating mode:
A = 1 Mbps (default output = low)
B = 150 Mbps (default output = low)
D = 1 Mbps (default output = high)
E = 150 Mbps (default output = high)
V = Insulation rating
A = 1 kV; B = 2.5 kV; C = 3.75 kV; D = 5.0 kV
Line 2 Marking:
YY = Year
WW = Workweek
RTTTTT = Mfg Code
Assigned by assembly subcontractor. Corresponds to the
year and workweek of the mold date.
Manufacturing code from assembly house
“R” indicates revision
Line 3 Marking:
Circle = 1.7 mm Diameter
(Center-Justified)
Country of Origin ISO Code
Abbreviation
“e4” Pb-Free Symbol
TW = Taiwan
*Note: Si8645 has 0 reverse channels.
Rev. 1.6
39