TC646 Microchip, TC646 Datasheet - Page 18

• Manufacturer Part Number: TC646
• Description: PWM Fan Speed Controller
• Manufacturer: Microchip

TC646
6.0
6.1
DS21446C-page 18
*
PACKAGING INFORMATION
Package Marking Information
Standard marking consists of Microchip part number, year code, week code, traceability code (facility
code, mask rev#, and assembly code). For marking beyond this, certain price adders apply. Please check
with your Microchip Sales Office.
Legend: XX...X
Note:
8-Lead PDIP (300 mil)
8-Lead SOIC (150 mil)
8-Lead MSOP
XXXXXXXX
XXXXXXXX
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.
XXXXXX
YWWNNN
YY
WW
NNN
YYWW
YYWW
NNN
NNN
Customer specific information*
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Example:
Example:
Example:
TC646VOA
TC646VPA
TC646E
215025
0215
2002 Microchip Technology Inc.
0215
025
025