Datasheet

 2010 Microchip Technology Inc. DS22234A-page 21

MCP1640/B/C/D

7.0 PACKAGING INFORMATION

7.1 Package Marking Information (Not to Scale)

Legend: XX...X Customer-specific information

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

Pb-free JEDEC designator for Matte Tin (Sn)

* This package is Pb-free. The Pb-free JEDEC designator ( )

can be found on the outer packaging for this package.

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.

6-Lead SOT-23

XXNN

Example

BZNN

XXX

8-Lead DFN

YWW

AHM

Example

945