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PIC18F2221_1 Datasheet, PDF (385/402 Pages) Microchip Technology – Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
PIC18F2221/2321/4221/4321 FAMILY
APPENDIX A: REVISION HISTORY
Revision A (July 2005)
Original data sheet for PIC18F2221/2321/4221/4321
devices.
Revision B (August 2006)
Updated Section 26.0 “Electrical Characteristic”.
Revision C (October 2006)
This revision includes updates to the packaging
diagrams.
Revision D (January 2007)
This revision includes updates to the packaging
diagrams.
Revision E (February 2007)
This revision includes updates to the packaging
diagrams.
Revision F (September 2009)
This revision includes a new chapter, Section 2.0
“Guidelines for Getting Started with PIC18F
Microcontrollers”. There are also updates to
Section 27.0 “Electrical Characteristics”,
Section 28.0 “Packaging Information” and minor
text edits throughout document.
© 2009 Microchip Technology Inc.
DS39689F-page 385