Microchip Technology DM183021 Data Sheet
PIC18F2331/2431/4331/4431
DS39616D-page 330
2010 Microchip Technology Inc.
FIGURE 26-1:
PIC18F2331/2431/4331/4431 VOLTAGE-FREQUENCY GRAPH (INDUSTRIAL)
FIGURE 26-2:
PIC18LF2331/2431/4331/4431 VOLTAGE-FREQUENCY GRAPH (INDUSTRIAL)
Frequency
Vo
lt
a
g
e
6.0V
5.5V
5.5V
4.5V
4.0V
4.0V
2.0V
40 MHz
5.0V
3.5V
3.0V
2.5V
2.5V
PIC18F2X31/4X31
4.2V
Frequency
Vo
lt
a
g
e
6.0V
5.5V
5.5V
4.5V
4.0V
4.0V
2.0V
40 MHz
5.0V
3.5V
3.0V
2.5V
2.5V
PIC18LF2X31/4X31
F
MAX
= (16.36 MHz/V) (V
DDAPPMIN
– 2.0V) + 4 MHz
Note:
V
DDAPPMIN
is the minimum voltage of the PIC
®
device in the application.
4 MHz
4.2V