Information

MCP23008
DS80251A-page 2 © 2005 Microchip Technology Inc.
APPENDIX A: REVISION HISTORY
Rev A Document (11/2005)
Initial Release of this Document.
APPENDIX B: SILICON REVISION
HISTORY
The following table and package marking information
indicates how to determine the revision of the
MCP23008 device. The revision information can be
determined by the Year and Week Code of the
manufacturer printed on the device.
TABLE B-1: SILICON REVISION/DEVICE
MARKING
Silicon
Revision
YYWWNNN
Comments
Start Date End Date
Rev A2 0543NNN — In Production
Rev A1 — 0543NNN
Legend: “N” is any alphanumeric character.