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PIC18F66K22-I Datasheet, PDF (486/550 Pages) Microchip Technology – PIC18F87K22 Family Data Sheet
PIC18F87K22 FAMILY
FIGURE 31-1:
VOLTAGE-FREQUENCY GRAPH, REGULATOR ENABLED
(INDUSTRIAL/EXTENDED)(1)
6V
5V
4V
3V
1.8V
PIC18F87K22 Family
(Extended)
5.5V
PIC18F87K22 Family
(Industrial Only)
3V
0 4 MHz
48 MHz
Frequency
64 MHz(1)
Note 1:
2:
FMAX = 25 MHz in 8-Bit External Memory mode. For VDD values, 1.8V to 3V,
FMAX = (VDD – 1.72)/0.02 MHz.
FMAX = 64 MHz in all other modes. For VDD values, 1.8V to 3V, FMAX = (VDD – 1.72)/0.02 MHz.
FIGURE 31-2:
VOLTAGE-FREQUENCY GRAPH, REGULATOR DISABLED
(INDUSTRIAL/EXTENDED)(1,2)
4V
3.75V
3.25V
2.5V
1.8V
PIC18F87K22 Family
(Extended)
PIC18F87K22 Family
(Industrial Only)
3.6V
3V
4 MHz
48 MHz
Frequency
64 MHz
Note 1: When the on-chip voltage regulator is disabled, VDD must be maintained so that VDD 3.6V.
2: For VDD values, 1.8V to 3V, FMAX = (VDD – 1.72)/0.02 MHz.
DS39960D-page 486
 2011 Microchip Technology Inc.