PIC18F2423/2523/4423/4523
APPENDIX A: REVISION HISTORY
Revision A (June 2006)
Original data sheet for PIC18F2423/2523/4423/4523
devices.
Revision B (January 2007)
This revision includes updates to the packaging
diagrams.
Revision C (September 2009)
Electrical specifications updated. Preliminary condition
status removed. Converted document to the “mini data
sheet” format.
APPENDIX B: DEVICE
DIFFERENCES
The differences between the devices listed in this data
sheet are shown in Table B-1.
TABLE B-1: DEVICE DIFFERENCES
Features
PIC18F2423
PIC18F2523
PIC18F4423
PIC18F4523
Program Memory (Bytes)
Program Memory (Instructions)
Interrupt Sources
I/O Ports
Capture/Compare/PWM Modules
Enhanced
Capture/Compare/PWM Modules
Parallel Communications (PSP)
12-Bit Analog-to-Digital Module
Packages
16384
8192
19
Ports A, B, C, (E)
2
0
32768
16384
19
Ports A, B, C, (E)
2
0
16384
8192
20
Ports A, B, C, D, E
1
1
32768
16384
20
Ports A, B, C, D, E
1
1
No
10 Input Channels
28-Pin PDIP
28-Pin SOIC
28-Pin QFN
No
10 Input Channels
28-Pin PDIP
28-Pin SOIC
28-Pin QFN
Yes
13 Input Channels
40-Pin PDIP
44-Pin TQFP
44-Pin QFN
Yes
13 Input Channels
40-Pin PDIP
44-Pin TQFP
44-Pin QFN
© 2009 Microchip Technology Inc.
DS39755C-page 45