
23A640/23K640
4.0
4.1
PACKAGING INFORMATION
Package Marking Information
8-Lead PDIP
XXXXXXXX
T/XXXNNN
YYWW
8-Lead SOIC (3.90 mm)
XXXXXXXT
XXXXYYWW
NNN
8-Lead TSSOP
Example:
23K640
I/P e 3 1L7
0528
Example:
23K640I
SN e 3 0528
1L7
Example:
e 3
XXXX
TYWW
e 3
K640
I837
NNN
Legend: XX...X
T
Y
YY
WW
NNN
e 3
1L7
Part number or part number code
Temperature (I, E)
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 (2 characters for small packages)
Pb-free JEDEC designator for Matte Tin (Sn)
Note :
Note :
For very small packages with no room for the Pb-free JEDEC designator
e 3 , the marking will only appear on the outer carton or reel label.
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.
? 2009 Microchip Technology Inc.
Preliminary
DS22126B-page 13