MCP23009 Microchip Technology Inc., MCP23009 Datasheet - Page 39

• Manufacturer Part Number: MCP23009
• Description: 8-bit I/o Expander With Open-drain Outputs
• Manufacturer: Microchip Technology Inc.

3.0
3.1
© 2008 Microchip Technology Inc.
PACKAGING INFORMATION
Package Marking Information
20-Lead SSOP (300 mil)
18-Lead PDIP (300 mil)
18-Lead SOIC (300 mil)
Legend: XX...X
Note:
XXXXXXXXXXXX
XXXXXXXXXXXX
XXXXXXXXXXXX
XXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXX
XXXXXXXXXXX
XXXXXXXXXXX
YYWWNNN
YYWWNNN
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.
YYWWNNN
Y
YY
WW
NNN
*
e
3
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 (
can be found on the outer packaging for this package.
MCP23009/MCP23S09
Example:
Example:
Example:
MCP23009
MCP23009
E/SO^^
E/SO^^
MCP23009
0838256
E/P^^
0838
0838
256
256
e
e
e
3
3
3
e
3
)
DS22121A-page 39