XXXXXXXX
XXXXXNNN
YYWW
8-Lead PDIP (300 mil)
Example:
TC4423
CPA256
0420
16-Lead SOIC (300 mil)
Example:
XXXXXXXXXXX
XXXXXXXXXXX
YYWWNNN
XXXXXXXXXXX
0420256
TC4423COE
8-Lead DFN
Example:
XXXXXXX
XXXXXXX
XXYYWW
NNN
TC4423
EMF
0420
256
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.
