38 Rev. 1.6
Si8650/51/52/55
13. Top Markings
13.1. Top Marking (16-Pin Wide Body SOIC)
13.2. Top Marking Explanation (16-Pin Wide Body SOIC)
Line 1 Marking: Base Part Number
Ordering Options
(See Ordering Guide for more
information).
Si86 = Isolator product series
XY = Channel Configuration
X = # of data channels (5, 4, 3, 2, 1)
Y = # of reverse channels (2, 1, 0)*
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
Assigned by assembly subcontractor. Corresponds to the
year and work week of the mold date.
RTTTTT = Mfg Code Manufacturing code from assembly house
“R” indicates revision
Line 3 Marking: Circle = 1.5 mm Diameter
(Center-Justified)
“e3” Pb-free symbol
Country of Origin ISO Code
Abbreviation
TW = Taiwan
*Note: Si8655 has 0 reverse channels.
YYWWRTTTTT