English
Language : 

24AA64_07 Datasheet, PDF (14/28 Pages) Microchip Technology – 64K I2C™ Serial EEPROM
24AA64/24LC64/24FC64
Part Number TSSOP
1st Line Marking Codes
MSOP
DFN
24AA64
24LC64
24FC64
I Temp.
E Temp.
4AB
4A64T
271
—
4LB
4L64T
274
275
4FB
4F64T
27A
27B
Note: T = Temperature grade (I, E)
Legend:
XX...X
T
Y
YY
WW
NNN
e3
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: For very small packages with no room for the Pb-free JEDEC designator
e3 , the marking will only appear on the outer carton or reel label.
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.
DS21189L-page 14
© 2007 Microchip Technology Inc.