25lc640a Microchip Technology Inc., 25lc640a Datasheet - Page 14

• Manufacturer Part Number: 25lc640a
• Description: 64k Spi Bus Serial Eeprom
• Manufacturer: Microchip Technology Inc.

25AA640A/25LC640A
4.0
4.1
DS21830C-page 14
PACKAGING INFORMATION
Package Marking Information
8-Lead DFN-S (5x6x1 mm)
8-Lead MSOP (150 mil)
Legend: XX...X
Note:
Note:
8-Lead PDIP
8-Lead SOIC
XXXXXXX
XXXXXXX
XXYYWW
8-Lead TSSOP
XX/XXYYWW
XXXXXXXX
T/XXXNNN
YWWNNN
XXXXXXXT
XXXXXT
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.
YYWW
Custom marking available.
XXXX
TYWW
NNN
Y
YY
WW
NNN
*
NNN
NNN
e
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.
5LC640A
E/MF
0728
Example:
7281L7
Example:
25L640AI
SN
Example:
25LC640A
I/P
Example:
5LCAI
Example:
e
e
e
5LCA
I728
1L7
3
0728
3
3
IL7
1L7
1L7
0728
TSSOP 1st Line Marking Codes
MSOP 1st Line Marking Codes
25AA640A
25AA640AX
25LC640A
25LC640AX
25AA640A
25LC640A
Device
Device
© 2007 Microchip Technology Inc.
e
std mark
3
5ACA
std mark
)
5LCA
ACAX
5ACA
5LCA
LCAX