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PIC18F1220 Datasheet, PDF (242/310 Pages) Microchip Technology – 18/20/28-Pin High-Performance, Enhanced Flash Microcontrollers with 10-bit A/D and nanoWatt Technology
PIC18F1220/1320
FIGURE 22-1:
PIC18F1220/1320 VOLTAGE-FREQUENCY GRAPH (INDUSTRIAL)
6.0V
5.5V
5.0V
4.5V
4.0V
3.5V
3.0V
2.5V
2.0V
PIC18F1X20
4.2V
Frequency
40 MHz
FIGURE 22-2:
PIC18LF1220/1320 VOLTAGE-FREQUENCY GRAPH (INDUSTRIAL)
6.0V
5.5V
5.0V
4.5V
4.0V
3.5V
3.0V
2.5V
2.0V
PIC18LF1X20
4.2V
4 MHz
Frequency
40 MHz
FMAX = (16.36 MHz/V) (VDDAPPMIN – 2.0V) + 4 MHz
Note: VDDAPPMIN is the minimum voltage of the PICmicro® device in the application.
DS39605C-page 240
 2004 Microchip Technology Inc.