
PIC18FXX39
DS30485A-page 260
Preliminary
2002 Microchip Technology Inc.
FIGURE 23-1:
PIC18FXX39 VOLTAGE-FREQUENCY GRAPH (INDUSTRIAL)
FIGURE 23-2:
PIC18LFXX39 VOLTAGE-FREQUENCY GRAPH (INDUSTRIAL)
Frequency
Vo
lt
a
g
e
6.0V
5.5V
4.5V
4.0V
2.0V
40 MHz
5.0V
3.5V
3.0V
2.5V
PIC18FXX39
4.2V
Frequency
Vo
lt
ag
e
6.0V
5.5V
4.5V
4.0V
2.0V
40 MHz
5.0V
3.5V
3.0V
2.5V
PIC18LFXX39
FMAX = (16.36 MHz/V) (VDDAPPMIN – 2.0V) + 4 MHz
Note: VDDAPPMIN is the minimum voltage of the PICmicro device in the application.
4 MHz
4.2V