TC4421/TC4422

DS21420D-page 10

 2004 Microchip Technology Inc.

5.0

PACKAGING INFORMATION

5.1

Package Marking Information

XXXXXXXX

XXXXXNNN

YYWW

8-Lead PDIP (300 mil)

Example:

TC4421

CPA256

0420

Legend:

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 OTP marking consists of Microchip part number, year code, week code, and traceability code.

5-Lead TO-220

XXXXXXXXX

XXXXXXXXX

YYWWNNN

Example:

TC4421CAT

XXXXXXXXX

0420256

8-Lead DFN

Example

:

XXXXXXX

XXXXXXX

XXYYWW

NNN

TC4421

EMF

0420

256

8-Lead SOIC (208 mil)

Example:

XXXXXXXX

XXXXXXXX

YYWWNNN

GTC4421

ESM

0420256