23X256

DS22100E-page 14

 2010 Microchip Technology Inc.

4.0

PACKAGING INFORMATION

4.1

Package Marking Information

T/XXXNNN

XXXXXXXX

YYWW

8-Lead PDIP

8-Lead SOIC (3.90 mm)

XXXXYYWW

XXXXXXXT

NNN

I/P

1L7

23K256

0528

Example:

Example:

SN

0528

23K256I

1L7

Legend: XX...X

Part number or part number code

T

Temperature (I, E)

Y

Year code (last digit of calendar year)

YY

Year code (last 2 digits of calendar year)

WW

Week code (week of January 1 is week ‘01’)

NNN

Alphanumeric traceability code (2 characters for small packages)

Pb-free JEDEC designator for Matte Tin (Sn)

Note:

For very small packages with no room for the Pb-free JEDEC designator

, the marking will only appear on the outer carton or reel label.

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.

3

e

3

e

3

e

3

e

8-Lead TSSOP

Example:

XXXX

TYWW

NNN

K256

I837

1L7