Datasheet

PIC18F2420/2520/4420/4520
DS39631B-page 324 Preliminary © 2007 Microchip Technology Inc.
FIGURE 26-1: PIC18F2420/2520/4420/4520 VOLTAGE-FREQUENCY GRAPH (INDUSTRIAL)
FIGURE 26-2: PIC18LF2X1X/4X1X 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
PIC18FX42X/X52X
4.2V
Frequency
Voltage
6.0V
5.5V
4.5V
4.0V
2.0V
40 MHz
5.0V
3.5V
3.0V
2.5V
PIC18LFX42X/X52X
FMAX = (16.36 MHz/V) (VDDAPPMIN – 2.0V) + 4 MHz
Note: V
DDAPPMIN is the minimum voltage of the PIC
®
device in the application.
4 MHz
4.2V