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24FC128 Datasheet, PDF (12/26 Pages) Microchip Technology – 128K I2C CMOS Serial EEPROM
24AA128/24LC128/24FC128
Package Marking Information (Continued)
8-Lead MSOP
XXXXXT
YWWNNN
Example:
4L128I
101017
8-Lead DFN-S
XXXXXXX
T/XXXXX
YYWW
NNN
14-Lead TSSOP
XXXXXXXT
YYWW
NNN
Example:
24LC128
I/MF
YYWW
NNN
Example:
24LC128I
0110
017
Legend:
XX...X
T
Y
YY
WW
NNN
Customer specific information*
Temperature grade (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
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.
*Standard device marking consists of Microchip part number, year code, week code, and traceability code. For
device marking beyond this, certain price adders apply. Please check with your Microchip Sales Office.
Part No.
24AA128
24LC128
24FC128
TSSOP Package Codes
STD
Pb-free
4AC
G4AC
4LC
G4LC
4FC
G4FC
MSOP Package Codes
STD
Pb-free
4A128
G4AC
4L128
G4LC
4F128
G4FC
DS21191M-page 12
 2004 Microchip Technology Inc.