SI8641BD-B-IS Datasheet, PDF (41/44 Pages) STMicroelectronics – LOW-POWER QUAD-CHANNEL DIGITAL ISOLATOR

12.5. Top Marking (16-Pin QSOP)
Si8640/41/42/45
12.6. Top Marking Explanation (16-Pin QSOP)
Line 1 Marking: Base Part Number
Ordering Options
(See Ordering Guide for more
information).
Line 2 Marking: RTTTTT = Mfg Code
Line 3 Marking: YY = Year
WW = Work Week
*Note: Si8645 has 0 reverse channels.
86 = Isolator product series
XY = Channel Configuration
X = # of data channels (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
Manufacturing code from assembly house
“R” indicates revision
Assigned by the Assembly House. Corresponds to the year
and work week of the mold date.
Rev. 1.6
41