Datasheet

USB251xB/xBi
DS00001692C-page 46 2010 - 2015 Microchip Technology Inc.
8.0 PACKAGE MARKING INFORMATION
The following sub-sections detail the package marking information for the 36-pin SQFN and 36-pin QFN packages. To
order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.
8.1 36-Pin SQFN (Preferred)
* Standard device marking consists of Microchip part number, year code, week code and traceability code.
For device marking beyond this, certain price adders apply. Please check with your Microchip Sales Office.
For QTP devices, any special marking adders are included in QTP price.
Legend: x USB251xB version (2 = 2-port, 3 = 3-port, 4 = 4-port)
i Temperature range designator (Blank = commercial, i = industrial)
R Product revision
nnn Internal code
e3 Pb-free JEDEC
®
designator for Matte Tin (Sn)
V Plant of assembly
COO Country of origin
YY Year code (last two digits of calendar year)
WW Week code (week of January 1 is week ‘01’)
NNN Alphanumeric traceability code
Note: In the event the full Microchip part number cannot be marked on one line, it
will be carried over to the next line, thus limiting the number of available
characters for customer-specific information.
Example
PIN 1
USB251xBi
Rnnn e3
VCOO
YYWWNNN
e3
PIN 1
USB2514Bi
D000 e3
ASETW
1501123
e3
36-Lead SQFN (6x6x0.9 mm)