MCP23008 Datasheet, PDF (31/40 Pages) Microchip Technology – 8-Bit I/O Expander with Serial Interface

3.0 PACKAGING INFORMATION
3.1 Package Marking Information
18-Lead PDIP (300 mil)
XXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXX
YYWWNNN
18-Lead SOIC (300 mil)
XXXXXXXXXXXX
XXXXXXXXXXXX
XXXXXXXXXXXX
YYWWNNN
MCP23008/MCP23S08
Example:
MCP23008-E/P^e^3
0434256
Example:
MCP23008
E/SO^e^3
0434256
20-Lead SSOP
XXXXXXXXXXXX
XXXXXXXXXXXX
YYWWNNN
Example:
MCP23S08
XXXXXXXEXSXSX^X^{e^X3}
0434256
Legend:
XX...X
Y
YY
WW
NNN
e3
*
Customer-specific information
Year code (last digit of calendar year)
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Pb-free JEDEC designator for Matte Tin (Sn)
This package is Pb-free. The Pb-free JEDEC designator ( _e3 )
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.
© 2005 Microchip Technology Inc.
DS21919B-page 31