Datasheet

MCP23017/MCP23S17
DS20001952C-page 26  2005-2016 Microchip Technology Inc.
4.0 PACKAGING INFORMATION
4.1 Package Marking Information
MCP23017-E/SO
3
e
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.
3
e
3
e
28-Lead SOIC Example:
28-Lead SSOP
YYWWNNN
XXXXXXXXXXXX
XXXXXXXXXXXX
Example:
28-Lead QFN Example:
28-Lead SPDIP Example:
XXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXX
YYWWNN
MCP23017-E/SP
1628256
3
e
MCP23017
E/SS
3
e
1628256
23017
E/ML
1628256
3
e
1628256