25AA256 Datasheet, PDF (14/26 Pages) Microchip Technology – 256K SPI Bus Serial EEPROM

25AA256/25LC256
4.0 PACKAGING INFORMATION
4.1 Package Marking Information
8-Lead DFN
XXXXXXX
T/XXXXX
YYWW
NNN
8-Lead PDIP
XXXXXXXX
T/XXXNNN
YYWW
Example:
25LC256
I/MF
0328
1L7
Example:
25AA256
I/P 1L7
0328
8-Lead SOIC
XXXXXXXX
T/XXYYWW
NNN
Example:
25LC256
I/SN 0328
1L7
8-Lead TSSOP
XXXX
TYWW
NNN
Example:
5LE
I328
1L7
TSSOP 1st Line Marking Codes
Device
25AA256
25LC256
std mark
5AE
5LE
Pb-free
mark
NAE
NLE
Legend:
XX...X
T
Blank
YY
WW
NNN
Part number
Temperature (I, E)
Commercial
Year code (last 2 digits of calendar year) except TSSOP
which uses only the last 1 digit
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Note: Custom marking available.
DS21822C-page 14
Preliminary
 2003 Microchip Technology Inc.