Datasheet

 2005-2015 Microchip Technology Inc. DS40001262F-page 253
PIC16F631/677/685/687/689/690
FIGURE 17-20: VOLTAGE-FREQUENCY GRAPH, -40°C  TA  +150°C
FIGURE 17-21: HFINTOSC FREQUENCY ACCURACY OVER DEVICE V
DD AND TEMPERATURE
6.0
2.5
4.0
3.0
0
3.5
4.5
5.0
5.5
Frequency (MHz)
VDD (V)
Note 1: The shaded region indicates the permissible combinations of voltage and frequency.
82010
125
25
2.1
0
60
85
VDD (V)
4.0 5.04.5
Temperature (°C)
2.5 3.0 3.5 5.5
± 1%
± 2%
± 5%
150
-40
± 7.5%