Datasheet

© 2008 Microchip Technology Inc. DS39631E-page 323
PIC18F2420/2520/4420/4520
FIGURE 26-3: PIC18LF2420/2520/4420/4520 VOLTAGE-FREQUENCY GRAPH (INDUSTRIAL)
Frequency
Voltage
6.0V
5.5V
4.5V
4.0V
2.0V
40 MHz
5.0V
3.5V
3.0V
2.5V
FMAX = (16.36 MHz/V) (VDDAPPMIN – 2.0V) + 4 MHz
Note: VDDAPPMIN is the minimum voltage of the PIC
®
device in the application.
4 MHz
4.2V
PIC18LF2420/2520/4420/4520