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 2010-2012 Microchip Technology Inc.
DS41412F-page 525
PIC18(L)F2X/4XK22
Package Marking Information (Continued)
Legend: XX...X
Customer-specific information or Microchip part number
Y
Year code (last digit of calendar year)
YY
Year code (last 2 digits of calendar year)
WW
Week code (week of January 1 is week ‘01’)
NNN
Alphanumeric traceability code
  
Pb-free JEDEC designator for Matte Tin (Sn)
*
This package is Pb-free. The Pb-free JEDEC designator (     )
can be found on the outer packaging for this package.
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.
3
e
3
e
40-Lead UQFN (5x5x0.5 mm)
Example
PIN 1
PIN 1
PIC18F
-I/MV
0810017
3
e
45K22
44-Lead QFN (8x8x0.9 mm)
Example
XXXXXXXXXXX
XXXXXXXXXXX
YYWWNNN
XXXXXXXXXXX
PIN 1
PIN 1
1845K22
-E/ML
0810017
3
e
44-Lead TQFP (10x10x1 mm)
Example
XXXXXXXXXX
YYWWNNN
XXXXXXXXXX
XXXXXXXXXX
18F45K22
-E/PT
0810017
3
e