24AA256UID Datasheet, PDF (15/28 Pages) Microchip Technology – 256K I2C™ Serial EEPROM

10.0 PACKAGING INFORMATION
10.1 Package Marking Information
8-Lead PDIP (300 mil)
XXXXXXXX
T/XXXNNN
YYWW
8-Lead SOIC (150 mil)
XXXXXXXT
XXXXYYWW
NNN
8-Lead TSSOP
XXXX
YYWW
NNN
24AA256UID
Example:
4A256UID
I/P e3 017
1321
Example:
4A256UID
SN e3 1321
017
Example:
AAAP
1321
017
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.
*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.
 2013 Microchip Technology Inc.
DS20005215A-page 15