
2009 Microchip Technology Inc.
DS39887C-page 39
PIC18F2458/2553/4458/4553
APPENDIX A: REVISION HISTORY
Revision A (May 2007)
Original data sheet for the PIC18F2458/2553/4458/
4553 devices.
Revision B (June 2007)
Changes to Figure 4-2: PIC18LF2458/2553/4458/4553
Voltage-Frequency Graph (Industrial).
Revision C (October 2009)
Removed “Preliminary” marking.
APPENDIX B: DEVICE
DIFFERENCES
The differences between the devices listed in this data
TABLE B-1:
DEVICE DIFFERENCES
Features
PIC18F2458
PIC18F2553
PIC18F4458
PIC18F4553
Program Memory (Bytes)
24576
32768
24576
32768
Program Memory (Instructions)
12288
16384
12288
16384
Interrupt Sources
19
20
I/O Ports
Ports A, B, C, (E)
Ports A, B, C, D, E Ports A, B, C, D, E
Capture/Compare/PWM Modules
2
1
Enhanced Capture/Compare/
PWM Modules
00
1
Parallel Communications (SPP)
No
Yes
12-Bit Analog-to-Digital Module
10 Input Channels 10 Input Channels 13 Input Channels
13 Input Channels
Packages
28-Pin SPDIP
28-Pin SOIC
28-Pin SPDIP
28-Pin SOIC
40-Pin PDIP
44-Pin TQFP
44-Pin QFN
40-Pin PDIP
44-Pin TQFP
44-Pin QFN