Datasheet

© 2007 Microchip Technology Inc. DS21952B-page 37
MCP23017/MCP23S17
3.0 PACKAGING INFORMATION
3.1 Package Marking Information
Legend: XX...X Customer-specific information
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.
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28-Lead SOIC
YYWWNNN
Example:
28-Lead PDIP (Skinny DIP)
Example:
XXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXX
28-Lead SSOP
YYWWNNN
XXXXXXXXXXXX
XXXXXXXXXXXX
Example:
0648256
MCP23017
28-Lead QFN Example:
E/SS^^
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XXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXX
YYWWNN
MCP23017-E/SP^^
0648256
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0648256
MCP23017-E/SO^^
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XXXXXXXX
XXXXXXXX
YYWWNNN
23017
E/ML ^^
0648256
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