HCS412 Datasheet, PDF (39/44 Pages) Microchip Technology – KEELOQ Code Hopping Encoder and Transponder

9.1 Package Marking Information
8-Lead PDIP (300 mil)
XXXXXXXX
XXXXXNNN
YYWW
8-Lead SOIC (150 mil)
XXXXXXXX
XXXXYYWW
NNN
HCS412
Example
HCS412
XXXXX862
9925
Example
XXXXXXXX
XXXX9925
862
Legend: MM...M Microchip part number information
XX...X Customer specific information*
YY
Year code (last 2 digits of calendar year)
WW Week code (week of January 1 is week ‘01’)
NNN 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 marking consists of Microchip part number, year code, week code and traceability code. For
marking beyond this, certain price adders apply. Please check with your Microchip Sales Office. For
SQTP devices, any special marking adders are included in SQTP price.
© 2002 Microchip Technology Inc.
Preliminary
DS41099C-page 39