93LC66 Datasheet, PDF (11/20 Pages) Microchip Technology – 1K/2K/4K 2.5V Microwire Serial EEPROM

4.0 PACKAGING INFORMATION
4.1 Package Marking Information
8-Lead PDIP (300 mil)
XXXXXXXX
XXXXXNNN
YYWW
8-Lead SOIC (150 mil)
XXXXXXXX
XXXXYYWW
NNN
8-Lead Rotated SOIC (150 mil)
XXXXXXXX
XXXXYYWW
NNN
93LC46/56/66
Example:
93LC46
I/PNNN
YYWW
Example:
93LC46
I/SNYYWW
NNN
Example:
93LC46X
I/SNYYWW
NNN
Legend:
XX...X
YY
WW
NNN
Customer specific information*
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
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 OTP marking consists of Microchip part number, year code, week code, and traceability code.
 2004 Microchip Technology Inc.
DS21712B-page 11