PIC18F2455_09 Datasheet, PDF (370/438 Pages) Microchip Technology – 28/40/44-Pin,High-Performance,Enhanced Flash,USB Microcontrollers with nanoWatt Technology

PIC18F2455/2550/4455/4550
FIGURE 28-1:
PIC18F2455/2550/4455/4550 VOLTAGE-FREQUENCY GRAPH (INDUSTRIAL)
6.0V
5.5V
5.0V
4.5V
4.0V
3.5V
3.0V
2.5V
2.0V
4.2V
Frequency
48 MHz
FIGURE 28-2:
PIC18LF2455/2550/4455/4550 VOLTAGE-FREQUENCY GRAPH (INDUSTRIAL
LOW VOLTAGE)
6.0V
5.5V
5.0V
4.5V
4.0V
3.5V
3.0V
2.5V
2.0V
4.2V
4 MHz
Frequency
40 MHz 48 MHz
Note 1: VDDAPPMIN is the minimum voltage of the PIC^® device in the application.
2: For 2.0 < VDD < 4.2 V, FMAX = (16.36 MHz/V) (VDDAPPMIN - 2.0V) + 4 MHz
3: For VDD ≥ 4.2 V, FMAX = 48 MHz.
DS39632E-page 368
© 2009 Microchip Technology Inc.