PIC16F871 Microchip Technology Inc., PIC16F871 Datasheet - Page 120

• Manufacturer Part Number: PIC16F871
• Description: 28/40-pin, 8-bit Cmos Flash Microcontrollers
• Manufacturer: Microchip Technology Inc.

PIC16F870/871
FIGURE 14-1:
FIGURE 14-2:
DS30569B-page 118
Equation 1: F
Equation 2: F
Note 1: V
Note
2: F
PIC16FXXX VOLTAGE-FREQUENCY GRAPH
PIC16LFXXX VOLTAGE-FREQUENCY GRAPH
MAX
DDAPPMIN
6.0V
5.5V
5.0V
4.5V
4.0V
3.5V
3.0V
2.5V
2.0V
2.0V
has a maximum frequency of 10 MHz.
6.0V
5.5V
5.0V
4.5V
4.0V
3.5V
3.0V
2.5V
MAX
MAX
= (6.0 MHz/V) (V
= (10.0 MHz/V) (V
is the minimum voltage of the PICmicro
4 MHz
Frequency
DDAPPMIN
DDAPPMIN
Frequency
10 MHz
– 2.0V) + 4 MHz; V
– 3.0V) + 10 MHz; V
20 MHz
®
device in the application.
20 MHz
DDAPPMIN
DDAPPMIN
 2003 Microchip Technology Inc.
= 2.0V - 3.0V
= 3.0V - 4.0V