Datasheet

MCP23018/MCP23S18

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.

24-Lead SSOP (MCP23018 only) Example:

XXXXXXXXXXXX

YYWWNNN

24-Lead QFN

Example

XXXXX

XXXXXX

YWWNNN

23018

E/MJ^^

0838

256

MCP23018

E/SS^^

0838256