Datasheet

 2010 - 2015 Microchip Technology Inc. DS00001692C-page 47

USB251xB/xBi

8.2 36-Pin QFN (Legacy)

* 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

YY Year code (last two digits of calendar year)

WW Week code (week of January 1 is week ‘01’)

A2P10 Internal code

NNN Alphanumeric traceability code

A Fixed character

V Plant of assembly

COO Country of origin

e3 Pb-free JEDEC

designator for Matte Tin (Sn)

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

RYYWW-A2P10

YWWNNNA

VCOO

PIN 1

USB2514Bi

D1501-A2P10

501123A

ASETW

36-Lead QFN (6x6x0.9 mm)