25c040xt Microchip Technology Inc., 25c040xt Datasheet - Page 12

• Manufacturer Part Number: 25c040xt
• Description: 4k Spi Bus Serial Eeprom
• Manufacturer: Microchip Technology Inc.

25AA040/25LC040/25C040
4.0
4.1
DS21204E-page 12
PACKAGING INFORMATION
Package Marking Information
8-Lead PDIP (300 mil)
8-Lead SOIC (150 mil)
8-Lead TSSOP
Legend: XX...X
Note:
XXXXXXXX
XXXXYYWW
XXXXXXXX
XXXXXNNN
YYWW
NNN
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.
Y
YY
WW
NNN
*
e
XXXX
YYWW
NNN
3
Customer-specific information
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
Pb-free JEDEC designator for Matte Tin (Sn)
This package is Pb-free. The Pb-free JEDEC designator (
can be found on the outer packaging for this package.
Example:
Example:
Example:
SN
25AA040I/
25AA040
I/P
e
3
e
0601
1L7
3
0601
1L7
© 2006 Microchip Technology Inc.
5A4X
0601
1L7
e
3
)